Agenda packet, regular meeting — San Mateo City Council, April 21, 2025 (part 2 of 3)

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Respiratory
Hearing
N95 dust mask when appropriate.

Wear earplugs or earmuffs as necessary.

I, (print name) have read and understand
the safe work practices listed above and will operate the designated machine in accordance with them, the manufacture’s operating instructions and the supervisor’s instructions.

Signature: Date:

DISCLAIMER
This publication is designed to provide accurate and authoritative information in regard to the subject matter covered. Although all of the material contained herein was carefully selected and reviewed, company claims no liability for its accuracy and specifically disclaims any warranty, real or implied, as to its accuracy. The parties using this information do so at their own risk and specifically hold company harmless from anyone claiming damage by using the above referenced material.

Page 2 of 2 ends

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City of San Mateo
Code of Safe Practice

FOR IMMEDIATE RELEASE
Initial date:

Revised date:

Questions or comments regarding
this Code of Safe Practice should
be directed to the Safety Director.

Working Near Vehicular Traffic
 Workers (on foot) exposed to vehicular traffic must wear orange flagging garments.
 Workers on foot shall not wear any type of headgear that can interfere with hearing back up alarms, warnings, etc.
 When hazards to workers exist because of vehicular traffic, use traffic controls in conformance with the State’s Department of Transportation, “Manual of Traffic Control.” Additionally, controls such as detours, warning signs, or barricades shall be used when necessary.
 Flagmen shall be required where the above controls are ineffective.  Wherever mobile equipment operation encroaches upon a public thoroughfare, a system of traffic controls must be used.

PERSONAL PROTECTIVE EQUIPMENT
Protection Area
Eye
PPE Required
Wear safety glasses with side shields or goggles.

Face
Hand Work gloves.

Head Hardhat.

Foot Safety steel or composite toe safety shoes or boots.

Proper highly reflective garment (vest or jacket).

N95 dust mask when appropriate.

Wear earplugs or earmuffs as necessary.

Body
Respiratory
Hearing
I, (print name) have read and understand
the safe work practices listed above and will operate the designated machine in accordance with them, the manufacture’s operating instructions and the supervisor’s instructions.

Signature: Date:

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Page 2 of 2 ends

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City of San Mateo

ENVIRONMENTAL SERVICES DIVISION

STANDARD OPERATING PROCEDURES
Table of Contents

1. DAILY LOGS
A. Filling Out Daily Logs
B. Leadworker Review of Daily Logs
C. Request from Supervisor Forms

2. SANITARY SEWER OVERFLOW RESPONSE & REPORTING

PROCEDURES
A. Sanitary Sewer Overflow Field Response Procedure Summary B. Sanitary Sewer Overflow Reporting Procedure Summary
C. SSO Fax Form to RWQCB
D. Emergency Overflow Response Plan (OERP)

3. 4.

GENERAL SAFETY REQUIREMENTS
A. General Safety Requirements
B. Sanitary Sewer Manhole Monitoring Procedures

UTILITY VEHICLE PRE-TRIP & OPERATING PROCEDURES
A. Utility 3 – T59 Vac-con
B. Utility 4 – L86 – Pump Truck with Boom
C. Utility 5 – Emergency Response Truck
D. Utility 6 - T-58 Vac-con
E. Utility 8 – T60 Vactor

5. SEWER HYDRO CLEANING PROCEDURES

SEWER MECHANICAL CLEANING PROCEDURES

CONFINED SPACE PROCEDURES

CCTV / PIPEHUNTER JETEYE CAMERA SYSTEM

SCOUT LINE LOCATOR

6. 7.

8. 9.

10. 11.

12. T57 – RODDER

USA MARKING PROCEDURES

EMPLOYEE ORIENTATION PACKET
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SSMP
ELEMENT 4 – O & M Program
APPENDIX 4.3
Pumpstations
Maintenance & Equipment
Last Update: 11/2020
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PSNAME TYPE ID# LOCATION REDUND ALARMS* B_UPOWER HOLDGHRS INLETDIA DISCDIA NUMPUM CAPAC_1PUMP DAILYFLOWGPD* TDYNHEAD

SANITARY SEWER PUMPSTATIONS
1 2ND/QUEBEC
2 38TH
SANITARY 09J-SSPS1
SANITARY 25M-SSPS1
SANITARY 25N-SSPS1
SANITARY 26N-SSPS1
SANITARY 14G-SSPS1
SANITARY 08I-SSPS1
SANITARY 13K-SSPS1
SANITARY 19N-SSPS1
SANITARY 13M-SSPS1
SANITARY 13N-SSPS1
SANITARY 25O-SSPS1
SANITARY 21O-SSPS1
SANITARY 21P-SSPS1
SANITARY 22P-SSPS1
SANITARY 11N-SSPS1
SANITARY 14O-SSPS1
SANITARY 14N-SSPS1
SANITARY 16N-SSPS1
SANITARY 17O-SSPS1
SANITARY 16O-SSPS1
SANITARY 19J-SSPS1
SANITARY 30F-SSPS2
SANITARY 22N-SSPS1
SANITARY 30F-SSPS1
SANITARY 25O-SSPS2
203 S QUEBEC Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y

PORTABLE

ON-SITE
3 6 6 2
2 2
2 2
2 5
2 2
2 2
2 2
2 2
3 2
2 2
2 3
2 3
2 2
144000 10,800 13
26 54
30 30
12 3796 EL CAMINO REAL
3971 PACIFIC BLVD
1 W 42ND AVE
3 15
3 6, 8, 18
3 6
8 1152000
1296000
576000
576000
43200
240,000
216,000
83,600
80,400
8,400
3 41ST AVE 12
4 42ND AVE 8
5 ARROYO 20 ARROYO CT 3 8 8
6 CHATHAM EAST
7 DALE AVENUE
8 FLINT & NORFOLK
9 KEHOE/KELLY
205 N QUEBEC 3 8 8

DALE AVE
2413 S NORFOLK
2223 KEHOE AVE
2444 KEHOE AVE
95 LAURIE MEADOWS
3000 LOS PRADOS
3160 LOS PRADOS
3301 LOS PRADOS
408 ANCHOR RD

PORTABLE

ON-SITE
3 10, 10
3 8
10 6
1008000
288000
288000
648000
1094400
525600
360000
172800
2016000
648000
1440000
432000
424800
1296000
72000
281,000
98,000
24,000
74,250
15 10
10 16
21 8
10 KEHOE/SCOTT
11 LAURIE MEADOWS
12 LOS PRADOS #1
13 LOS PRADOS #2
14 LOS PRADOS #3
15 MARINERS ISLAND #1
16 MARINERS ISLAND #2
17 MARINERS ISLAND #3
18 MARINERS ISLAND #4
19 MARINERS ISLAND #5
20 MARINERS ISLAND #6
21 MONGINI
3 8 6
3 12 10
3 12 8 307,800
105,120
63,000
3 8 8
3 8 8 10.5
48 75
32 5
3 8, 8
3 24
8 16,560
635 MARINERS ISLAND BLVD
894 NEPTUNE CT

MARINERS ISLAND/W CAPE
1659 VISTA DEL MAR
2021 WINWARD WAY
2005 PACIFIC BLVD
1932 PARKWOOD
404 SANTA CLARA
1629 TOYON
14 8
1,044,000
PORTABLE 64,800

PORTABLE

PORTABLE
3 8, 8
3 8, 8
3 6, 8
3 8, 8
3 15, 24
3 8, 8
3 10, 12
3 8, 8
3 8
10 8
114,000
109,800
54,870
15 11.5
15 90
45 80
12 8
10 4
669,600
10,350
720,000
5,400
22 PARKWOOD
23 SANTA CLARA
24 TOYON
14 4
1440000
72000
25 WOODBRIDGE 201 LAURIE MEADOWS 8 144000 26,100

STORM DRAINAGE PUMPSTATIONS
1 3RD/DETROIT
2 42ND AVE STORM
3 CASANOVA
4 COYOTE POINT
FATHOM
STORM
STORM
STORM
STORM
STORM
STORM
STORM
STORM
11M-SDPS1
26N-SDPS1
25O-SDPS1
05F-SDPS1
12N-SDPS1
23L-SDPS1
12M-SDPD1
07I-SDPS1
2002 DETROIT DR 2
3 4
4 2
2 5
3 4000 PACIFIC BLVD
4012 CASANOVA
20 S AIRPORT BLVD
400 FATHOM DR
HILLSDALE 3397 PACIFIC BLVD
MARINA LAGOON 2100 DETROIT DR

NEW POPLAR BAYFRONT LEV/MONTE DIABLO
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PSNAME P1INFO P1INSTDATE P1REBUILD P1MODEL P1SERIAL P2INFO P2INSTDATE P2REBUILD P2MODEL P2SERIAL

SANITARY SEWER PUMP STATIONS
2ND/QUEBEC GORMAN RUPP 1.5 HP 230V 3 PHASE 1981
1930
1962
1988
1963
1977
1991
1965
1958
1958
1971
1965
1959
1959
1966
2009
1968
1967
1983
1983
1996
1981
1989
1981
1973
2004 T4-A3-B
2008 T6A3-B
1998
GORMAN RUPP 1.5 HP 230V 3 PHA
GORMAN RUPP 10 HP 230V 3 PHAS
CORNELL 25 HP 230V 3 PHASE
PACO 5 HP 230V 3 PHASE
1981 2004 T4-A3-B
2009 T6A3-B
2003
38TH GORMAN RUPP 10 HP 230V 3 PHASE
CORNELL 25 HP 230V 3 PHASE
PACO 5 HP 230V 3 PHASE
725342 1930
1962
1988
1963
1977
683998
41ST AVE
42ND AVE 2006 2008
ARROYO GORMAN RUPP 10 HP 230V 3 PHASE
GORMAN RUPP 1.5 HP 230V 3 PHASE
Large Pumps 1 thru 5 = Fairbanks Morse
FAIRBANKS 15 HP 230V 3 PHASE
GORMAN RUPP 1.5 HP 230V 3 PHASE
FAIRBANKS 1.5 HP 230V 3 PHASE
CORNELL 10 HP 230V 3 PHASE
FAIRBANKS 7.5 HP 230V 3 PHASE
FAIRBANKS 1.5 HP 230 V 3 PHASE
FAIRBANKS 5 HP 230 V 3 PHASE
CHICAGO 7.5 HP 230V 3 PHASE
FLYGT 30HP 480V 3 PHASE
2008 T4A3-B
1995 T4A3-B
2414
744414 GORMAN RUPP 10 HP 230V 3 PHAS
GORMAN RUPP 1.5 HP 230V 3 PHA
Smaller 2 Pumps = Gorman Rupp
FAIRBANKS 15 HP 230V 3 PHASE
GORMAN RUPP 1.5 HP 230V 3 PHA
FAIRBANKS 1.5 HP 230V 3 PHASE
CORNELL 10 HP 230V 3 PHASE
FAIRBANKS 7.5 HP 230V 3 PHASE
FAIRBANKS 1.5 HP 230 V 3 PHASE
FAIRBANKS 5 HP 230 V 3 PHASE
CHICAGO 7.5 HP 230V 3 PHASE
FLYGT 30HP 480V 3 PHASE
2005 T4A3-B
1995 T4A3-B
T10A-B
741115

CHATHAM EAST

DALE AVENUE

FLINT & NORFOLK

KEHOE/KELLY

KEHOE/SCOTT

LAURIE MEADOWS
LOS PRADOS #1
LOS PRADOS #2
LOS PRADOS #3
MARINERS ISLAND #1
MARINERS ISLAND #2
MARINERS ISLAND #3
MARINERS ISLAND #4
MARINERS ISLAND #5
MARINERS ISLAND #6

MONGINI
645907N 645908N
1983 5443B
2007 T4A3-B
1998
K3J1013936
K99931
1965
1958
1958
1971
1965
1959
1959
1966
2009
1968
1967
1983
1983
1996
1981
1989
1981
1973
2002 5443B
2004 TAA3-B
2006
K3J1013936_1
K99931
2004 2002
1998 K2B8036
KZ89127
1998 K2B8035
1997 5432AK KZ89128
2002 4B5442K
1999
1989 5432AK
2003 4B5442K
61-23170 2001
820040
61-23478
3171 3171 820041
FAIRBANKS 7.5 HP 230V 3 PHASE
FAIRBANKS 25 HP 230V 3 PHASE
SMITH & LOVELESS 5HP 208V 3 PHASE
SMITH & LOVELESS 1.5 HP 208V 3 PHAS

FAIRBANKS
2009 5412B28
1997 5414C
1998
K2M1043718K
K2M1043717
831257
FAIRBANKS 7.5 HP 230V 3 PHASE
FAIRBANKS 25 HP 230V 3 PHASE
SMITH & LOVELESS 5HP 208V 3 PH
SMITH & LOVELESS 1.5 HP 208V 3 P

FAIRBANKS
1981 5412B28
2003 5414C
1989
K2M1043718K
K2M1043717
831257
1995 831297 1999
2008 2009
PARKWOOD PEABODY/BARNES 15HP 230V 3 PHASE
FLYGT 20HP 230V 3 PHASE [VFD]
PEABODY/BARNES 10HP 230V 3 PHASE
GORMAN RUPP 2 HP 230V 3 PHASE
2000 PEABODY/BARNES 15HP 230V 3 PH
FLYGT 20HP 230V 3 PHASE
1999

SANTA CLARA
TOYON
2007 3152
1981 SSC27
2008 T4A3-B
2006 3152
1989 SSC28
2004 T4A3-B
68895-1081
675716N
PEABODY/BARNES 10HP 230V 3 PH
GORMAN RUPP 2 HP 230V 3 PHASE
66108-180
WOODBRIDGE 675717N

STORM DRAINAGE PUM
3RD/DETROIT 125 HP 460V 3 PHASE 1983
1988
1968
1973
1966
1964
1983 WAUKESHA DIESEL ENGINE 1983
42ND AVE STORM

CASANOVA
1988 1988
JOHNSTON 25 HP 240V 3 PHASE
FAIRBANKS 125 HP 480V 3 PHASE
FAIRBANKS 5 HP 230V 3 PHASE
30 HP
1968 GA3658 1968 GA3657

COYOTE POINT
FATHOM
1973 GD1709 JOHNSTON 40 HP 480V 3 PHASE 1973 GD1710
1985 6360
1964
2J2022362.2 1988 6360
1964
2J2022362.3

HILLSDALE

MARINA LAGOON
NEW POPLAR CASCADE 100 HP 460V 3 PHASE 1973 1973 P-36 9137 AC 250 HP 460V 3 PHASE 1998 P-36 9138 427 of 891
PSNAME P3INFO P3INSTDATE P3REBUILD P3MODEL P3SERIAL P4INFO P4INSTDATE P4REBUILD P4MODEL P4SERIAL

SANITARY SEWER PUM
2ND/QUEBEC
38TH
41ST AVE
42ND AVE
ARROYO

CHATHAM EAST

DALE AVENUE

FLINT & NORFOLK

KEHOE/KELLY

KEHOE/SCOTT

LAURIE MEADOWS
LOS PRADOS #1
LOS PRADOS #2
LOS PRADOS #3
MARINERS ISLAND #1
MARINERS ISLAND #2
MARINERS ISLAND #3
MARINERS ISLAND #4
MARINERS ISLAND #5
MARINERS ISLAND #6

MONGINI
FLYGT 30HP 480V 3 PHASE 2009 3171 820042
2006

PARKWOOD

SANTA CLARA
TOYON
FLYGT 20HP 230V 3 PHASE 2009 3152

WOODBRIDGE

STORM DRAINAGE PUM
3RD/DETROIT
42ND AVE STORM

CASANOVA
1988
COYOTE POINT 1973
FATHOM
TL320-1 P2C3004
5308
1973 P2F2559

HILLSDALE

MARINA LAGOON
NEW POPLAR 1982 15000
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City of San Mateo Department of Public Works

PUMPSTATION PREVENTATIVE MAINTENANCE SCHEDULE
PUMP

STATION TYPE JUL AUG SEPT OCT NOV DEC JAN FEB MAR APR MAY JUNE

MONGINI
ARROYO

PARKWOOD
TOYON

SANITARY

SANITARY
X X X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
38TH
41ST
42ND X
X
X
X
X
X

WOODBRIDGE

SANTA CLARA

X X X X

LOS PRADOS
#1 SANITARY

SANITARY

SANITARY
X
X
X
X
X
X
X
X
X
X
X
X
LOS PRADOS #2

LOS PRADOS
#3

FLINT & NORFOLK

SANITARY

SANITARY
X
X
X
X
X
X
X
X
X
X
X

PARKSIDE AQ

KEHOE &

KELLY X
X
X
X

KEHOE &SCOTT

SANITARY

SANITARY
X
X
X
X
X
X
X
X
X
2ND &
QUEBEC

CHATEM EAST
MARINERS #1
MARINERS #2
MARINERS #3
MARINERS #4
MARINERS #5
MARINERS #6

SANITARY

SANITARY
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Q\PW\corpyard\Sewers\SSMP\Binder\O&M Program\Pumpstations\PumpstationPMSchedule 429 of 891
SSMP
ELEMENT 4 – O&M PROGRAM
APPENDIX 4.4
Sewer Maintenance Crew Training
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City of San Mateo Environmental Services Division
Collections 2020 Safety Training Log
Staff
Aviles William
Provider Training Topic Date Completed
Du-All 9/2/2020
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Blood borne Pathogens
Concrete/Silica Dust
Confined Space
Aviles William
Aviles William
Aviles William
Aviles William
Aviles William
Aviles William
Aviles William
Aviles William
Aviles William
Aviles William
Aviles William
Aviles William
Aviles William
Aviles William
Aviles William
Aviles William
2/18/2020
3/10/2020
5/5/2020
1/14/2020
5/19/2020
7/15/2020
12/1/2020
8/6/2020
7/15/2020
6/2/2020
6/2/2020
10/27/2020
11/3/2020
1/14/2020
2/18/2020
9/29/2020
Defensive Driver Safety
Fire Extinguisher (Portable)
Forklift & Powered Industrial Trucks
Hazard Communication Globally Harmonized System
Hazardous Waste Management
HazWOPER (First Responder)
Hearing Conservation
Heat Illness Prevention & Summer Safety, Poison Oak & Bug Bites Summer Safety, Poison Oak & Bug Bites
Heavy Equipment (Earth Moving Equipment)
Hot Work
Personal Protective Equipment
Respiratory Protection
Spill Prev. Control and Countermeasure
Camilleri, Steve
Camilleri, Steve
Camilleri, Steve
Camilleri, Steve
Du-All
Du-All
Du-All
Du-All
Defensive Driver Safety 5/5/2020
7/15/2020
7/15/2020
6/2/2020
Hazard Communication Globally Harmonized System
Hearing Conservation
Heat Illness Prevention & Summer Safety, Poison Oak & Bug Bites Chetcuti, John
Chettcuti, John
Chettcuti, John
Chettcuti, John
Chettcuti, John
Chettcuti, John
Chettcuti, John
Chettcuti, John
Chettcuti, John
Chettcuti, John
Chettcuti, John
Chettcuti, John
Chettcuti, John
Chettcuti, John
Chettcuti, John
Chettcuti, John
Chettcuti, John
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All

CA DFEH
Du-All
Asbestos and Lead Awareness
Back Safety
9/2/2020
2/11/2020
9/2/2020
2/11/2020
3/10/2020
5/5/2020
1/14/2020
5/19/2020
7/15/2020
12/1/2020
8/6/2020
7/15/2020
6/2/2020
10/27/2020
2/11/2020
12/15/2020
9/22/2020
Blood borne Pathogens
Concrete/Silica Dust
Confined Space
Defensive Driver Safety
Fire Extinguisher (Portable)
Forklift & Powered Industrial Trucks
Hazard Communication Globally Harmonized System
Hazardous Waste Management
HazWOPER (First Responder)
Hearing Conservation
Heat Illness Prevention & Summer Safety, Poison Oak & Bug Bites Heavy Equipment (Earth Moving Equipment)
Respiratory Protection
Sexual Harassment Prevention Non -Management
Spill Prev. Control and Countermeasure
Cisneroz, Richard
Cisneroz, Richard
Cisneroz, Richard
Cisneroz, Richard
Du-All
Du-All
Du-All
Du-All
Back Safety 3/3/2020
2/18/2020
5/5/2020
1/14/2020
Concrete/Silica Dust
Defensive Driver Safety
Fire Extinguisher (Portable)
Cisneroz, Richard
Cisneroz, Richard
Du-All
Du-All
Hazard Communication Globally Harmonized System
Hazardous Waste Management
7/22/2020
12/1/2020
Cisneroz, Richard
Cisneroz, Richard
Cisneroz, Richard
Cisneroz, Richard
Cisneroz, Richard
Cisneroz, Richard
Cisneroz, Richard
Cisneroz, Richard
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
HazWOPER (First Responder) 8/13/2020
Heat Illness Prevention & Summer Safety, Poison Oak & Bug Bites 6/2/2020 Heavy Equipment (Earth Moving Equipment)
Hot Work
10/27/2020
11/3/2020
1/14/2020
2/18/2020
9/22/2020
3/3/2020
Personal Protective Equipment
Respiratory Protection
Spill Prev. Control and Countermeasure
Slip, Trip & Fall Prevention
Di Matteo, John
Di Matteo, John
Di Matteo, John
Di Matteo, John
Di Matteo, John
Di Matteo, John
Di Matteo, John
Di Matteo, John
Di Matteo, John
Di Matteo, John
Di Matteo, John
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Back Safety 2/11/2020
9/2/2020
3/10/2020
5/5/2020
1/21/2020
7/22/2020
12/1/2020
8/6/2020
7/22/2020
6/9/2020
Blood borne Pathogens
Confined Space
Defensive Driver Safety
Fire Extinguisher (Portable)
Hazard Communication Globally Harmonized System
Hazardous Waste Management
HazWOPER (First Responder)
Hearing Conservation
Heat Illness Prevention & Summer Safety, Poison Oak & Bug Bites Heavy Equipment (Earth Moving Equipment) 10/27/2020
432 of 891
City of San Mateo Environmental Services Division
Collections 2020 Safety Training Log
Staff
Di Matteo, John
Provider Training Topic Date Completed
Du-All Hot Work 11/3/2020
Di Matteo, John
Di Matteo, John
Di Matteo, John
Di Matteo, John
Du-All Personal Protective Equipment 1/21/2020
2/11/2020
12/15/2020
9/22/2020
Du-All Respiratory Protection

CA DFEH
Du-All
Sexual Harassment Prevention Non -Management
Spill Prev. Control and Countermeasure
Elo, Luis
Elo, Luis
Elo, Luis
Elo, Luis
Elo, Luis
Elo, Luis
Elo, Luis
Elo, Luis
Elo, Luis
Elo, Luis
Elo, Luis
Elo, Luis
Elo, Luis
Elo, Luis
Elo, Luis
Elo, Luis
Elo, Luis
Elo, Luis
Elo, Luis
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
FEMA
Du-All
Asbestos & Lead Awareness
Back Safety
9/2/2020
3/3/2020
Blood borne Pathogens 9/2/2020
Concrete/Silica Dust 2/11/2020
3/10/2020
1/21/2020
5/5/2020
Confined Space
CPR/First Aid/AED
Defensive Driver Safety
Forklift & Powered Industrial Trucks
Hazard Communication Globally Harmonized System
Hazardous Waste Management
HazWOPER (First Responder)
Hearing Conservation
6/8/2020
7/15/2020
12/1/2020
8/6/2020
7/15/2020
6/2/2020
10/27/2020
11/3/2020
2/11/2020
9/22/2020
3/13/2020
3/3/2020
Heat Illness Prevention & Summer Safety, Poison Oak & Bug Bites Heavy Equipment (Earth Moving Equipment)
Hot Work
Respiratory Protection
Spill Prev. Control and Countermeasure
Nims; ICS-100/ICE-200/IS-700/SEMS Introduction
Slip, Trip & Fall Prevention
Fuentes, Manuel
Fuentes, Manuel
Fuentes, Manuel
Fuentes, Manuel
Fuentes, Manuel
Fuentes, Manuel
Fuentes, Manuel
Fuentes, Manuel
Fuentes, Manuel
Fuentes, Manuel
Fuentes, Manuel
Fuentes, Manuel
Fuentes, Manuel
Fuentes, Manuel
Fuentes, Manuel
Fuentes, Manuel
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Asbestos & Lead Awareness
Back Safety
9/2/2020
3/3/2020
9/2/2020
3/10/2020
5/5/2020
1/14/2020
6/8/2020
Blood borne Pathogens
Confined Space
Defensive Driver Safety
Fire Extinguisher (Portable)
Forklift & Powered Industrial Trucks
Hazard Communication Globally Harmonized System
Hazardous Waste Management
HazWOPER (First Responder)
Hearing Conservation
7/15/2020
12/1/2020
8/6/2020
7/15/2020
6/2/2020
10/27/2020
11/3/2020
9/22/2020
3/3/2020
Heat Illness Prevention & Summer Safety, Poison Oak & Bug Bites Heavy Equipment (Earth Moving Equipment)
Hot Work
Spill Prev. Control and Countermeasure
Slip, Trip & Fall Prevention
Godinez, Jose
Godinez, Jose
Godinez, Jose
Godinez, Jose
Godinez, Jose
Du-All
Du-All
Du-All
Du-All
FEMA
Hazardous Waste Management 12/1/2020
10/27/2020
11/3/2020
9/22/2020
Heavy Equipment (Earth Moving Equipment)
Hot Work
Spill Prev. Control and Countermeasure
Nims; ICS‐100/ICE‐200/IS‐700/SEMS Introduction 10/23/2020 Gudino, Carlos
Gudino, Carlos
Gudino, Carlos
Gudino, Carlos
Gudino, Carlos
Gudino, Carlos
Gudino, Carlos
Gudino, Carlos
Gudino, Carlos
Gudino, Carlos
Gudino, Carlos
Gudino, Carlos
Gudino, Carlos
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All

CA DFEH
Du-All
Du-All
Back Safety 3/3/2020
9/2/2020
5/5/2020
1/14/2020
5/19/2020
8/6/2020
Blood borne Pathogens
Defensive Driver Safety
Fire Extinguisher (Portable)
Forklift & Powered Industrial Trucks
HazWOPER (First Responder)
Hearing Conservation 7/15/2020
Heat Illness Prevention & Summer Safety, Poison Oak & Bug Bites 6/2/2020 Heavy Equipment (Earth Moving Equipment)
Respiratory Protection
Sexual Harassment Prevention Non ‐Management
Spill Prev. Control and Countermeasure
Slip, Trip & Fall Prevention
10/27/2020
2/11/2020
12/15/2020
9/22/2020
3/3/2020
Mack Steven
Mack Steven
Mack Steven
Mack Steven
Mack Steven
Du-All
Du-All
Du-All
Du-All
Du-All
Asbestos & Lead Awareness
Back Safety
9/2/2020
2/11/2020
9/2/2020
2/11/2020
5/5/2020
Blood borne Pathogens
Concrete/Silica Dust
Defensive Driver Safety
433 of 891
City of San Mateo Environmental Services Division
Collections 2020 Safety Training Log
Staff
Mack Steven
Provider Training Topic
Electrical Safety - Low Voltage
Date Completed
Du-All 3/24/2020
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All

CA DFEH
Du-All
Mack Steven
Mack Steven
Mack Steven
Mack Steven
Mack Steven
Mack Steven
Mack Steven
Mack Steven
Mack Steven
Mack Steven
Mack Steven
Mack Steven
Fire Extinguisher (Portable) 1/14/2020
Hazard Communication Globally Harmonized System 7/15/2020 Hazardous Waste Management 12/1/2020
HazWOPER (First Responder) 8/6/2020
7/15/2020
6/2/2020
10/27/2020
11/3/2020
1/14/2020
2/11/2020
12/16/2020
9/22/2020
Hearing Conservation
Heat Illness Prevention & Summer Safety, Poison Oak & Bug Bites Heavy Equipment (Earth Moving Equipment)
Hot Work
Personal Protective Equipment
Respiratory Protection
Sexual Harassment Prevention Non ‐Management
Spill Prev. Control and Countermeasure
Morkve, Eric
Morkve, Eric
Morkve, Eric
Morkve, Eric
Morkve, Eric
Morkve, Eric
Morkve, Eric
Morkve, Eric
Morkve, Eric
Morkve, Eric
Morkve, Eric
Morkve, Eric
Morkve, Eric
Morkve, Eric
Morkve, Eric
Morkve, Eric
Morkve, Eric
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All

CA DFEH
Du-All
Du-All
Back Safety 3/3/2020
2/11/2020
2/11/2020
3/10/2020
5/5/2020
1/14/2020
7/15/2020
8/11/2020
7/15/2020
6/2/2020
10/27/2020
11/3/2020
1/14/2020
2/11/2020
12/16/2020
9/22/2020
3/3/2020
Blood borne Pathogens
Concrete/Silica Dust
Confined Space
Defensive Driver Safety
Fire Extinguisher (Portable)
Hazard Communication Globally Harmonized System
HazWOPER (First Responder)
Hearing Conservation
Heat Illness Prevention & Summer Safety, Poison Oak & Bug Bites Heavy Equipment (Earth Moving Equipment)
Hot Work
Personal Protective Equipment
Respiratory Protection
Sexual Harassment Prevention Non ‐Management
Spill Prev. Control and Countermeasure
Slip, Trip & Fall Prevention
Padilla, Noel
Padilla, Noel
Padilla, Noel
Padilla, Noel
Padilla, Noel
Padilla, Noel
Padilla, Noel
Padilla, Noel
Padilla, Noel
Padilla, Noel
Padilla, Noel
Padilla, Noel
Padilla, Noel
Padilla, Noel
Padilla, Noel
Padilla, Noel
Padilla, Noel
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Asbestos & Lead Awareness
Back Safety
9/2/2020
2/11/2020
9/2/2020
2/11/2020
5/5/2020
3/24/2020
1/14/2020
6/8/2020
7/15/2020
12/1/2020
8/13/2020
7/15/2020
6/2/2020
Blood borne Pathogens
Concrete/Silica Dust
Defensive Driver Safety
Electrical Safety - Low Voltage
Fire Extinguisher (Portable)
Forklift & Powered Industrial Trucks
Hazard Communication Globally Harmonized System
Hazardous Waste Management
HazWOPER (First Responder)
Hearing Conservation
Heat Illness Prevention & Summer Safety, Poison Oak & Bug Bites Heavy Equipment (Earth Moving Equipment)
Hot Work
10/27/2020
11/3/2020
1/14/2020
3/3/2020
Personal Protective Equipment
Slip, Trip & Fall Prevention
Rodriguez, Mario
Rodriguez, Mario
Rodriguez, Mario
Rodriguez, Mario
Rodriguez, Mario
Rodriguez, Mario
Rodriguez, Mario
Rodriguez, Mario
Rodriguez, Mario
Rodriguez, Mario
Rodriguez, Mario
Rodriguez, Mario
Rodriguez, Mario
Rodriguez, Mario
Rodriguez, Mario
Rodriguez, Mario
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All

CA DFEH
Du-All
FEMA
Du-All
Asbestos & Lead Awareness 9/2/2020
2/11/2020
9/2/2020
5/5/2020
3/24/2020
1/14/2020
7/15/2020
8/6/2020
Back Safety
Blood borne Pathogens
Defensive Driver Safety
Electrical Safety - Low Voltage
Fire Extinguisher (Portable)
Hazard Communication Globally Harmonized System
HazWOPER (First Responder)
Hearing Conservation 7/15/2020
Heat Illness Prevention & Summer Safety, Poison Oak & Bug Bites 6/2/2020 Personal Protective Equipment
Respiratory Protection
Sexual Harassment Prevention Non ‐Management
Spill Prev. Control and Countermeasure
Nims; ICS‐100/ICE‐200/IS‐700/SEMS Introduction
Slip, Trip & Fall Prevention
1/14/2020
2/11/2020
12/16/2020
9/22/2020
3/1/2020
3/3/2020
Sandoval, Marcos Du-All Asbestos & Lead Awareness 9/2/2020 434 of 891
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Sandoval, Marcos
Sandoval, Marcos
Sandoval, Marcos
Sandoval, Marcos
Sandoval, Marcos
Sandoval, Marcos
Sandoval, Marcos
Sandoval, Marcos
Sandoval, Marcos
Sandoval, Marcos
Sandoval, Marcos
Sandoval, Marcos
Sandoval, Marcos
Sandoval, Marcos
Sandoval, Marcos
Sandoval, Marcos
Sandoval, Marcos
Sandoval, Marcos
Sandoval, Marcos
Provider Training Topic Date Completed
Du-All 3/3/2020
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All

CA DFEH
Du-All
Du-All
Back Safety
Blood borne Pathogens
Concrete/Silica Dust
Confined Space
9/2/2020
2/11/2020
3/10/2020
5/5/2020
1/14/2020
5/19/2020
7/15/2020
12/1/2020
8/6/2020
Defensive Driver Safety
Fire Extinguisher (Portable)
Forklift & Powered Industrial Trucks
Hazard Communication Globally Harmonized System
Hazardous Waste Management
HazWOPER (First Responder)
Hearing Conservation 7/15/2020
Heat Illness Prevention & Summer Safety, Poison Oak & Bug Bites 6/2/2020 Heavy Equipment (Earth Moving Equipment)
Hot Work
10/27/2020
11/3/2020
1/14/2020
2/11/2020
12/15/2020
9/22/2020
3/3/2020
Personal Protective Equipment
Respiratory Protection
Sexual Harassment Prevention Non ‐Management
Spill Prev. Control and Countermeasure
Slip, Trip & Fall Prevention
Valdivia, Eduardo
Valdivia, Eduardo
Valdivia, Eduardo
Valdivia, Eduardo
Valdivia, Eduardo
Valdivia, Eduardo
Valdivia, Eduardo
Valdivia, Eduardo
Valdivia, Eduardo
Valdivia, Eduardo
Valdivia, Eduardo
Valdivia, Eduardo
Valdivia, Eduardo
Valdivia, Eduardo
Valdivia, Eduardo
Valdivia, Eduardo
Valdivia, Eduardo
Valdivia, Eduardo
Valdivia, Eduardo
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
FEMA
Asbestos & Lead Awareness 9/2/2020
Back Safety 3/3/2020
Blood borne Pathogens 9/2/2020
2/11/2020
3/10/2020
5/5/2020
1/21/2020
6/8/2020
7/15/2020
12/1/2020
8/13/2020
7/15/2020
6/9/2020
10/27/2020
1/21/2020
2/11/2020
9/22/2020
3/3/2020
2/10/2020
Concrete/Silica Dust
Confined Space
Defensive Driver Safety
Fire Extinguisher (Portable)
Forklift & Powered Industrial Trucks
Hazard Communication Globally Harmonized System
Hazardous Waste Management
HazWOPER (First Responder)
Hearing Conservation
Heat Illness Prevention & Summer Safety, Poison Oak & Bug Bites Heavy Equipment (Earth Moving Equipment)
Personal Protective Equipment
Respiratory Protection
Spill Prev. Control and Countermeasure
Slip, Trip & Fall Prevention
Nims; ICS‐100/ICE‐200/IS‐700/SEMS Introduction
Veamatahau, Sosefo
Veamatahau, Sosefo
Veamatahau, Sosefo
Veamatahau, Sosefo
Veamatahau, Sosefo
Veamatahau, Sosefo
Du-All
Du-All
Du-All
Du-All
Du-All
Du-All
Asbestos & Lead Awareness
Back Safety
9/2/2020
2/11/2020
9/2/2020
2/11/2020
3/10/2020
5/5/2020
Blood borne Pathogens
Concrete/Silica Dust
Confined Space
Defensive Driver Safety
435 of 891
SSMP
ELEMENT 4 – O&M PROGRAM
APPENDIX 4.5
Manhole Inspection Program
436 of 891
2011 - 2020 MANHOLE ASSESSMENT CONDITION PROGRAM (MACP)

ANNUAL INSPECTION SCHEDULE
Year
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
# Manholes
585
Cleaning Areas
C1a - C1i, C2a - C2g
549
507
583
499
546
594
545
552
C3a - C3e, C4a - C4j, D1a - D1f
D2a - D2l, D3a - D3f, D4a, D4b, D4c
D4d - D4l, E1a, E1b, E2a - E2d, E2k
E2e - E2j, E3a - E3m
E4a - E4e, E4g - E4r
E4f, E4s, E4t, E4u, A1a - A1i, A2a - A2h
A2i, A2j, A3a - A3i, A4a - A4d
A4e, A4f, B1a, B1b, B2a - B2f, B3a - B3g
465 B4a - B4p
437 of 891
City of San Mateo 8. Date:

MANHOLE INSPECTION FORM 9. Time:

12. MH#/Struct ID:

41. Project:

37. Weather Code:

4. Drainage Area: Known

34. Sheet #: N/A 6. PO#: N/A 33. Tape/Media # N/A

34. Purpose of Survey:

36. Pre-Cleaning:

1. Surveyor's Name:

G
N

2. System Owner:

37. Date Cleaned:

San Mateo CS
00000000

51. Video Name:

3. Survey Customer:

31. Year Installed:

N/A
San Mateo CS
Known
1a Certification #: N/A 32. Year Rehabilitated:
10a. City:

10. MH Street Name & #: San Mateo

11. Further Location Details:

20. Use: SS 35. Criticality Rating: TBD

38. MH Location Code:

43. Northing (Y):

44. Easting (X):

Verified

40. MH Surface Type:

41. I&I Potential:

48. Inspection Status:

Steps Present?
Verified

42. Access Point Type: 45. Elevation (Z):

46. Coordinate System:

Not Verified
Subject to Dirt or Debris? NAD83CAIII
N 49. Evidence of Surcharge?
Y
Y
N
Y N 47. Accuracy of GPS Code: N/A
ft
ft

13. Outgoing Rim to Invert:

14. Outgoing Grade to Invert:

15. Rim to Grade:

39. Additional Information:
(Or Sketch if different than map)
ft
Cover Type / Lid Diameter:
# of Holes in Lid/Hole Dia. Code:

Cover/Frame Fit:
in.

Barrel Diameter: in.

Rodents:

Initial Gas Detector Levels O2: H2S: LEL: CO:

PHYSICAL DATA Material Condition Comments:

Lid
Frame
Grade Rings
Cone
solid adjustable
Flat-top Concentric Eccentric
Precast
Lined? Y N
Insert
Barrel/Wall
Bench/Shelf
Lined?
Lined?
Y
Y
N
N
U Channel/Trough Pipe Formed
OVERALL RATING OVERALL COMMENTS:
□
□
Good/Satisf (Inspect Annually)
Debris/Solids Buildup in MH
□
□
Other Maint (describe in comments)
Needs Repair (describe in comments)
*Sample Comments: Poor structural condition,
Serviceable, Broken, Unsafe, Damaged, Corroded, Missing Grout Needs Raising, Needs Lowering, Misaligned, Leaking
Ill-fitting, Dirty, Bad joint, Roots, Grease, Infiltration, Cracks Q:\pw\corpyard\Sewers\SSMP\Binder\Appendix\4 O & M Program\Appendix4.2 CCTV Standards\SM MH Insp Form 2012.xlsx
438 of 891

CITY OF SAN MATEO - MANHOLE INSPECTION CODES

34. PURPOSE OF SURVEY 42. ACCESS POINT TYPE
Code
A
B
C
D
E
F
G
H
V
Description
Maintenance Related
I&I Investigation
Post Rehabilitation Survey
Pre Rehabilitation Survey
Pre-Acceptance (New MH)
Routine Assessment
CIP Assessment
Code
AMH
AWA
AOC
Description
Manhole
Wastewater Access
Other Special Chamber
Flow Meter Structure (not a MH with a flow
meter attached)
Wet Well
Junction Box
Property Cleanout
Cleanout on a Mainline
House Cleanout
Catch Basin
AM
AWW
AJB
ACOP
ACOM
ACOH
ACB
Resurvey for any reason
Reversal
Z Not Known

37. WEATHER
Code Description
Dry
Heavy Rain
Light Rain
Saturated
Damp

48. INSPECTION STATUS
1 2
3 5
6 7
Code
SI
Description
Surface Inspection
DI
RI
NF
NO
Descent Inspection (entered MH)
Remote inspection (use camera)
Structure Not Found
Not Opened – Cover could not be removed
Surcharged or Debris – Structure not
completed inspected b/c of debris or high
water
Very Dry

38. MH LOCATION
Code
A
B
D
E
SD
Description
Main Urban Hwy (92, 101)
Suburban Hwy (El Camino)
ROW – all other streets
Woods
NI
NA
Could not inspect b/c of traffic
Could not inspect b/c unable to gain access
Structure located but not excavated or
raised yet - marked but no inspection. BM
F Sidewalk
Parking Lot
Alley
Ditch
Building
Creek
Yard
Other (note in box 39)

G STRUCTURE MATERIALS
H
I
J
K
Code
AC
BR
Description
Asbestos Concrete
Brick
CAS
CMP
CP
CSB
CSU
CT
Cast iron
Corrugated Metal Pipe
Concrete (non-reinforced)
Concrete Segments (bolted)
Concrete Segments (unbolted)
Clay Tile
Y
Z

40. MH SURFACE TYPE
Code
AS
CO
CC
GD
GR
ZZ
Description
Asphalt Street
Concrete Pavement
Concrete Collar
Grass or Dirt
Gravel
DIP
FRP
GRC
OB
Ductile Iron Pipe
Fiberglass Reinforced
Glass Reinforced Cement
Pitch Fiber (Orangeburg)
PE Polyethylene
Other PP Polypropylene
PSC
PVC
RCP
RPM
SP
TTE
VCP
WD
XXX
ZZZ
Plastic/Steel Composite
PolyVinyl Chloride
Reinforced Concrete
Reinforced Plastic (Truss Pipe)
Steel
Transite
Vitrified Clay
Wood
Not Known

41. POTENTIAL FOR RUNOFF DURING STORM
Code Description
None (MH will only receive direct
rainfall) N
Sheeting (Rain falling may drain over
the MH)
Ponding (MH is at a low point where
water may collect during heavy rains)
Inundated (Covered by water 1 foot or
more during storms)
S
P
I
Other (state in comments)
VERMIN
Description
Rats
Roaches
Insects
Racoons
None

47. ACCURACY OF GPS
Code
M
Description
Sub-meter: w/in one meter (3 feet)
Nearest Meter: > or = 1 meter
Survey Level: ~5cm overall accuracy
N
L
Q:\pw\corpyard\Sewers\MH Inspections\MH INSP CODES 1_12.doc 439 of 891

CITY OF SAN MATEO - MANHOLE INSPECTION CODES
MH COVER TYPE – Use more than one code as nec. 13. OUTGOING RIM TO INVERT:

Code Description Enter in feet (to the nearest tenth of a foot) the distance between the rim level of the manhole
(top of manhole lid) and the invert (bottom of
channel).
1 2
Solid (concealed pick holes)
Vented (pick holes & vent holes
allow rain in)
3 Gasketed (gasket present to
prevent rain inflow)
4 5
Bolted
Inner Cover (a secondary lid is
installed under top cover)
Locking (requires special tool to
unlock and remove lid)

14. OUTGOING GRADE TO INVERT:

Enter in feet (to the nearest tenth of a foot) the
depth between the grade (ground) and the invert
(bottom of channel).
6 MH COVER HOLE DIAMETER
Code Description
A Less than or equal to ½ inch
Greater than ½ inch but less than or equal
to 1 inch
Greater than 1 inch but less than or equal
to 1.5 inches

CONE, WALL, BENCH, CHANNEL CONDITION
CODES: Use more than one code as nec. B
C
Code
A
Description
Sound – no visible structural defects
Greater than 1.5 inches but less than or
equal to 2 inches
Greater than 2 inches
D B Cracked
E
CM
C
Cracks Multiple
Broken
MH COVER/FRAME FIT D Missing
Code Description
Oversized (cover does not fit completely
onto frame)
DB
DA
DS
E
Displaced Brick
Deposits Attached
Deposits Settled
Corroded/Pitted
Needs Immediate Repair
Fracture Circumferential
Fracture Longitudinal
Fracture Multiple
Coated (coated or has a liner)
Loose/Not Attached
Offset
O
Good (Gap b/w cover and frame less than
or equal to ¼ inch) G
U
F Undersized (Gap b/w cover and frame is
more than ¼ inch)
Rocks/Wobbles (Cover unstable when
standing on it. Clatters when traffic drive
over)
FC
FL
FM
G
R
MH COVER, FRAME & RING CONDITION CODES–
Use more than one code as nec.

Code
A
H
I
Description
Sound – no visible structural defects IS Infiltration Stain Infiltration Weeper
Infiltration Runner
Infiltration Gusher
Lining Failure
IW
IR
IG
LF
RF
RM
RB
Cracked – cover cracked but still in one
piece B
C
D
Broken – cover broken and in loose pieces
Missing – or in the bottom of the manhole
Corroded/Pitted – So corroded it does not
sit properly on frame
Bolts Missing – some or all bolts not in
place
E Roots Fine
F
Roots Medium
Root Ball
G
H
I
Coated (coated or has a liner)
Loose/Not Attached
Offset
WF Weld Failure
Q:\pw\corpyard\Sewers\MH Inspections\MH INSP CODES 1_12.doc 440 of 891
City of San Mateo

SEWER MAINTENANCE CITYWIDE MANHOLE INSPECTION PROGRAM
A2f
A2a
2018 A2h A4a
A2d A4b
2017 A2e A4c
A2g A4f
A2b
A1f
2019
A4d A4e
A2j
A2c
A2i
A3i
A1i A3h 2018 C1a
A3g C1b A3f
A1b A3d C3e A1d A3e
A3b
C1d
C1e
A1h C1c A1g B3e
B3c B3f
A1c A3a 2019 B3g C1f C2c
2011 A1e B3a C1i
A1a B3d C2d
C1g
C1h D1a C3d A3c
B2f
B3b C2f C3c D1b
D1f
B4i C2g C2e
B4b
B4o
B4h
D1c 2012
B4f
B2d C2b
B2e
B2c
B4j C3b
D1e C3a D1d C2a
B1b
B2a 2020 B4p
B4c B4k
C4j 2012
B2b B4e
D3a C4i D3c B4d
B4n
D3d B4g B4l C4h B1a
C4g
C4e
D3b D2f
D2l D3f2013 C4f
B4a
B4m
D2e D2k C4c
D2j
2013 D2i D4l
D2h
D2g
D2d D3e C4b D2m C4d
2014 E3k E3f
E3l
E3j
D2c
D2b
E3b D4i D4f
D4k E3c D4g C4a D2a E3d D4j
E3h E3i D4h E4e
E4i
D4e E3e 2015 E3m D4d
E3a
E2h
D4c
E2b E4p
E4q D4a
2013 E2k E3g E4n D4b 2016 E4h
E4u
E4f
E2j
E2g
E2i
E4r
E2a 2014 E4d E4m
E4c E4g E4o E2c E2d E4l
E4tE4s2017
E4j
E2f
E4b E4a
E1b E4k Citywide Manhole Inspections
E1c E2e Citywide Manhole Inspections
YEAR # MH's
2011 585
2012
2013
2014
2015
2016
2017
2018
2019
2020
549 E1a
507
583
499
546
.
594
545
552
465
Q/PW/corpyard/Sewers/MH Inspections/MH Inspect Program 2011-2020 June 6, 2011
441 of 891
SSMP
ELEMENT 4 – O&M PROGRAM
APPENDIX 4.6
“Hot-Spots” & Leak Detection Program
442 of 891
Last Updated: April 2014 City of San Mateo
Sewer Maintenance

CITYWIDE SEWER HOTSPOTS
Locations of Preventative Maintenance
Sewer Mainline Cleanings
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MONTHLY PM

QUARTERLY PM

BIANNUAL PM
Q:\PW\corpyard\Sewers\SewerHotSpots\SewerHotSpotLocations2014 443 of 891
SEWER PREVENTATIVE MAINTENANCE “HOT SPOTS” LIST
Last updated – August 15, 2014
MONTHLY SEWER PM’S
Location Linear Feet Avg Hrs Avg Cost Common Cond. Reason for PM Smartcover on MH492-13. Clean
until repairs can be made by
engineering.

Refered to engineering for reengineering of pipe where dips under utility junction box creating a
siphon, & to replace broken ECR
pipe.
1 2
31st & Hacienda 603 .75 $160 Roots
El Camino Real @ Baywood
3170 Casa de Campo
263 Solids
Baywood section removed 6-25-
2012.
3 4
661 1.3
3 $125
$310
FOG
FOG
Needs FOG education.

East Hillsdale Monthly
(entire length each month as of 3/11)
Needs FOG education & grease
interceptor. 1,288
Pipe taps in below water level of
trunk line.

Continue PM’s until Pipe upgraded
under 101.
5 6
Idaho (1113 College)
Indian
1132
519
2 2
$190
$185
FOG & Bad Grade
FOG
Keep on a monthly – but twice a
year flail line instead of jet. Refer to
Source Control for FOG control &
checks of grease trap.

Peninsula Monthly Jet
NOTE: Flail in Jan & July 7 2,581 2.5 $300 FOG
Added to PM’s May, 2008. Jet main
and 100’ of Lateral into Marina
Market.
8 9
Norfolk & La Selva
1 st & Delaware
308
522

1.4 .75
$125
$85
FOG
Lines consistently plugged with
paper. PAPER
Continue monthly cleaning until reengineered. Extended to ECR & Central Park bathrooms flowing to
ECR on 9-9-2011.
10 9
th Ave – RR to Palm Ave 1,016 2 $190 Grade Issues
11 315 Virginia – Monthly Flail
12 Winway Powerrod
338
173
1 1
$130
$75
Roots Roots – Added to PM’s March 2010
Solids A siphon MH
2049 Shoreview – drop pipe (needs
to be fixed in order to reach/cut
protruding tap at 2045). Also nozzle
13 Shoreview 853 Breaks/Roots 1 $155
C:\Users\kbuchanan\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Outlook\L7X4AIGB\PMChartMASTER.doc 444 of 891
gets stuck at 2001 – 2005.
14 Kingridge 1210
650
FOG, Solids
FOG, Solids
Added 4-9-13.

Additional lines requested by
Rick Pina 3-18-14. 15 Indian Additional Lines
TOTAL LF: 12,117
QUARTERLY SEWER PM’S
Location Linear Feet Avg Hrs Avg Cost Common Cond. Reason for PM 20TH Avenue
25th Avenue & Lula Belle Alley
Moved to Bi-Annual per Steve
Camilleri 8-12-14 1
2 2,150 4 $380 FOG Restaurants. Needs FOG control.

Added to PM’s March 2010.

Engineering fixed pipe 7-11-2012.

Removed from PMs.

Added to PM’s Feb 2011. Flat line
– holds solids.

Initially, change from Qrtly jet to
Qrtly Flail. Refer to Engineering for
pipe replacement & size upgrade.
26th 3 & Dolores
4 5
6 Bayswater & Idaho Qrtly
Bromfield / Fulton Qrtly Flail
Downtown Region 1
3,214
1733
1,623
Heavy FOG
4 $335
$330
Solids & Roots

3.5 FOG / Solids Restaurants & Apts
7 8
9 Downtown Region 2A
Downtown Region 2B
Downtown Region 3A
1,406
6,600
3,165

2.7 10.5

6.6 $235
$940
$600
FOG / Solids
FOG / Solids
FOG / Solids
Restaurants & Apts
Restaurants & Apts
Restaurants & Apts
10 Downtown Region 3B
11 Downtown Region 4A
2,738
5,183
4,791

6.2 5.2
$540
$470
$680
FOG / Solids
FOG / Solids
FOG / Solids
Restaurants & Apts
Restaurants & Apts
12 Downtown Region 4B 7.75 Restaurants & Apts
Downtown Region 5
(Starting July 2010) 13 5,949 6 $1550 FOG / Solids Restaurants & Apts 14 Ellsworth / Baldwin (DT 6) 2,830
2,718
2,097
6 $590
$500
$235
FOG/Solids
FOG
Restaurants & Apts
15 El Camino Real – Seville to 16th Referred to Engineering for repair of sag. 5.2
16 El Camino Real 21 2.4 st to 25th FOG Restaurants & Apts.

C:\Users\kbuchanan\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Outlook\L7X4AIGB\PMChartMASTER.doc 445 of 891
17 El Camino Real 25th to 31st 3,080
870

5.8 $350
$200
FOG
FOG
Restaurants & Apts.
18 31st Ave – El Camino to Edison Mall foodcourt grease. FOG Control. 2.25
19 42nd Ave &
Dumont
Continue PM’s & identify root
control tactics. 709
163

1.3 2.5
$105
$230
$205
FOG
Solids
FOG
20 Winway Jet & Vacuum MH
21 1750 El Camino Real
A siphon MH
Added back in to PM’s 1/2009 after
backups. 1,085 2.15
Added in 2011. Flat line – holds
FOG.

FOG consistently crusted on top
inside manholes
Added 1-6-12. Siphon manholes –
fill up with rags, etc.

Moved to Bi-Annual per Steve
Camilleri 8-12-14
22 El Camino & El Cerrito
23 Woodbridge
194
535
166

2.25 $210 FOG
24 Palm Ave siphons
25 Elm Street
Added 3-14-12. Ongoing solids
issues in area per pump and sewer
crews.

SOLIDS 26 Mariners Island 6 316
SOLIDS
SOLIDS
SOLIDS
FOG
Added 2-25-13. Solids issues in
area per Steve Camilleri, SUPV
Added 2-25-13. Solids issues in
area per Steve Camilleri, SUPV
Added 4-30-13. Solids issues in
area per Steve Camilleri, SUPV
Added 8-1-13. Heavy FOG per
Steve Camilleri, SUPV
27 111 E Santa Inez
28 McLellan & Curtiss
29 177 N El Camino Real
30 145 Sylvan
228
1803
229
835
SOLIDS
SOLIDS
SOLIDS
Added 1-30-14. Solids issues in
area per Steve Camilleri, SUPV
Added 1-30-14. Solids issues in
area per Steve Camilleri, SUPV
Added 1-30-14. Solids issues in
area per Steve Camilleri, SUPV
31 Crystal Springs Road
32 37th and ECR
1145
472
33 6 Fairoaks 162
TOTAL LF: 58,189
BI-ANNUAL SEWER PM’S
C:\Users\kbuchanan\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Outlook\L7X4AIGB\PMChartMASTER.doc 446 of 891
Location Linear Feet Avg Hrs Avg Cost Common Cond. Reason for PM Alder Easement

MARCH/SEPT
Added to PM’s May 2008. A Sept &
March Bi-Annual. 1
2 617 2.3 $150
Barneson & El Camino Real

JAN/JULY
Changed back to Jet from PR per
Steve Camilleri. 439
285

1.5 1.4
$130
$80
Roots
Roots 509 Castilian Powerrod

JAN/JULY
515 Dorchester Powerrod

JAN/JULY
El Camino Real – Hillsdale to
38th
Refer to engineering to repair break
and offset joint. 3
4 PM removed per Steve Camilleri. 8-
12-14.
th st Used to be ECR 36 to 41 . Split
into 2 PM’s & Added 15” lines. 5 3131 FOG

JAN/JULY
th st Used to be ECR 36 to 41 . Split El Camino Real – 38th to 41st JAN/JULY 6
7 1347
568
6 $585
$200
FOG into 2 PM’s & Added 15” lines.

Edison & Bayview
JAN/JULY .75 Roots
Holland / Norfolk / Hosmer
8 Hydrosaw 1,327 3.5 $285 FOG Hydrosaw to clear line.

JAN/JULY
Holland / Norfolk / Hosmer Jet
APRIL/OCTOBER 9 1,327
309

2.6 1
$245
$105
FOG
1865 Kehoe
JAN/JULY 10 FOG & Solids
MI II PS to Bridgepointe Circle
11 JAN/JULY – Pumpstation Rehab
Pumpstation rehabilitation project
complete – repair of pipe sag
unknown.
1,210
1,752
1 $80 Sag
Complete
12 Murphy Easement Roots/breaks. Added in 2011
Refer to Engineering for pipe
replacement & upsize – replace
possibly past Crescent to where
upper Poplar pipe was replaced w/in
last few years.

Poplar – Crescent to El Camino
JAN/JULY 13 2,103
938
4 $425 Roots
Sunnybrae School
14 Clean during Summer and Easter
Break (July & March/April)
Added to PM’s March 2010.

Updated 12-29-11. Added line. Debris
C:\Users\kbuchanan\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Outlook\L7X4AIGB\PMChartMASTER.doc 447 of 891
19 Wildwood

JAN/JULY
258 East 40th Ave

JAN/JULY
15 16
17 342
248
117
2 1
$150
$80
Roots
Sags
Continue PM’s.

House 258 Backs Up if line not
cleared regularly b/c of sags.
139 Arbor

JAN/JULY
Added 3-14-12. Solids issues in
area per sewer crew feedback. SOLIDS
Gramercy at El Cerrito (formerly
18 80 El Cerrito Quarterly)
Added 12-29-2011. Sag in pipe.

Clean until can be repaired. Moved
to bi-annual April 2012.
157
941

APRIL/OCT
Added 3-14-12. Area notorious for
FOG. Changed from Quarterly to BiAnnual per Steve Camilleri 8-12-14.

Det (from apts) & Roots (by Elks)
below City Hall back up line – can
overflow in City Hall. Changed from
Quarterly to Bi-Annual per Steve
Camilleri 8-12-14.
19 Elm Street 1 $125
$535
FOG
20 20TH Avenue 2,950 5.5 Det & Roots
TOTAL LF: 20.108
TOTAL LINEAR FEET IN HOT-SPOT PROGRAM = 90,414 (as of 8-15-14) NOTE: Additional Quarterly = Clean pipe and grate at Shellmound Gurgle (added 3-14-12) C:\Users\kbuchanan\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Outlook\L7X4AIGB\PMChartMASTER.doc 448 of 891
City of San Mateo
Public Works Department
Sewer Maintenance
Work Order # _______________
_______________, '09 '10 '11
Quarterly PM Map
1750 El Camino Real
# Blocked mains with
MH holding water: __________
DATE: ______________
CREW #: ______________
EMPLOYEES: ______________
______________
16TH
START TIME: ______________
END TIME:

VEHICLE:
______________
______________
DATE: ______________
367-13 BOREL BOREL
CREW #: ______________ OUTH
EMPLOYEES: ______________
______________ 17TH
367-31
367-CO1 START TIME: ______________
END TIME:

VEHICLE:
______________
______________
367-32
367-33
388-06
18TH
Please fill in boxes with problem found for each pipe segment. 19TH
449 of 891
Quarterly Inspections of Sewer Pipes Spanning Waterways Program Start: March 2012
WOID
96628
96626
96625
96612
96629
96627
96631
96630
Description Qrtly Schedule Dispatch To Address Requested By Comments March, June, 12/01/2020 Monthly check for pipe leaks in Inspect Mainline pipes over creeks. No leaks, pipe sound.

Inspect Mainline
Inspect Mainline
Inspect Mainline
Inspect Mainline
Inspect Mainline
Inspect Lateral
Inspect Lateral
Sept., Dec. UTILITY05, ARROYO COURT 24121X_26205X 8" MAIN PREVNT MAINT,

PREVNT MAINT,

PREVNT MAINT,
March, June,
Sept., Dec.
413 W HILLSDALE BLVD 51222X_51218X 6"
UTILITY05, MAIN
12/01/2020Monthly check for pipe leaks in
pipes over creeks. No leaks, pipe sound.

March, June,
Sept., Dec.

CLEARVIEW OFFICE PARK ‐ HILLSDALE/92
UTILITY05, 40401X_40409X
12/01/2020 Monthly check for pipe leaks in
pipes over creeks. No leaks, pipe sound.

March, June,
Sept., Dec.
12/01/2020 Monthly check for pipe leaks in
UTILITY05, 523 LA CASA ‐ BELMONT BORDER pipes over creeks. No leaks, pipe sound.

March, June,
Sept., Dec.
12/02/2020 PM check for leaks/sewage
UTILITY05, 809 BROMFIELD 154CO3_15401X 6" MAIN entering waterway. No leaks. Pipe sound March, June,
Sept., Dec.
12/02/2020 Monthly check for pipe leaks in
UTILITY05, 2629 MONTEREY CT 44811X_44810X 6" MAIN PREVNT MAINT, pipes over creeks. No leaks, pipe sound.

March, June,
Sept., Dec.
12/02/2020 Monthly check for leaks/sewage
UTILITY05, 400 HILLSBOROUGH LATERAL entering waterway. No leaks. Pipe sound UTILITY05, 725 & 751 EDGEWOOD LATERALS

PREVNT MAINT,

PREVNT MAINT,
March, June,
Sept., Dec.
12/02/2020 Monthly check for leaks/sewage
entering waterway. No leaks. Pipe sound
450 of 891
SEWER MAINTENANCE:

PM Request

SEWER PIPES OVER CREEKS
Quarterly Check for Leaks

SUPERVISOR INSTRUCTIONS
Supervisor: Bob and Ed
Date of Request June 1, 2012
Submitted To (crew): June 1, 2012
Expected Completion Date: June 15, 2012
413 W Hillsdale Blvd
LOCATION/ADDRESS: Mainline 51222X_51218X

RECENT CONDITION/
PROBLEM FOUND Sewer Main spans creek
REASON FOR DISPATCH PM – check for leaks/sewage entering waterway (PRIOR HISTORY) Instructions: Please check for leaks/Report on condition of pipe

CREW ACTIONS
START DATE:

CLOSE DATE:

ARRIVAL TIME:

TIME COMPLETE:

EMPLOYEES:

PIPE LEAKING? Y N
CONDITION OF PIPE:

Sound
Repair in future
Repair soon
Broken/leaking VEHICLES:

MATERIALS:

Other Crew Comments if Necessary:

Q:\pw\corpyard\Sewers\SewerQrtlyLeakInspections\InspectionForms\LeakInspections_413 W Hillsdale Blvd.doc 451 of 891
SSMP
ELEMENT 4 – O&M PROGRAM
APPENDIX 4.7
Sewer Maintenance Dedicated
Equipment and Personnel
452 of 891
City of San Mateo
Public Works Department
Environmental Services Division
OERP Appendix 4

EQUIPMENT AND PERSONNEL
APPENDIX 4.7
Equipment dedicated to maintenance of the sewer collection system Quantity
7 EQUIPMENT
Generator

PURPOSE
Backup power for pump stations
G9,G10,G11,G12,G13,G14,G15
1 1
1 1
1 1
Pickup F350 Emergency Response L50
Pickup F350 Sewer Leadworker Truck L12
F150 Electric Supervisor/Leadworker Truck L79
Pump station Maintenance Tools, Parts & Equipment L63
Pump station Maintenance L86
Spill Response S80
Truck F250
Truck F550 with Boom
Gorman-Rupp 6” portable
pump
1 1
1 3
Backhoe Repair excavationS51
Mini excavator
Dump truck
Repair excavation S85
Repair hauling M40
Vac-Con combo truck
Ford Transit electric van
Preventative Maintenance T58 T59 T63
1 1
Cctv crawler system, portable cctv for easements L39
Emergency SSO Response T61 Trailer – Emergency SSO
Response
1 3
1 Power rodder
Portable cctv
Crawler cctv
Mechanical cleaning T57
Quick inspection, emergency location
Inspection, sanitary cleaning inspections(see above L39) Back up Equipment

QUANTITY EQUIPMENT PURPOSE
1 1
XL12 Medium duty truck
Vac-con combo truck Maintenance XT63
Personnel dedicated to maintenance of the sewer collection system Quantity
1 EQUIPMENT PURPOSE
Sewer Supervisor Oversee Sewer Operations and Maintenance Programs – Pump Crew, Maintenance Crew, Emergency Response,
CCTV
1 1
1 1
0 5
Pump Mechanic 1/2
Pump Mechanic 2
Pump Mechanic 3
Sewer Leadworker
Sewer Leadworker
Maintenance Worker 2
Pump station Maintenance
Pump station Repair & Maintenance
Oversee Pump Crew
Oversee/Assist Preventative Maintenance sewer storm
Oversee/Assist emergency response, pump crew
Preventative Maintenance sanitary/storm, emergency
response/repair, cctv,
8 Maintenance Worker 1 Preventative Maintenance sanitary/storm, emergency response/repair, cctv,
Last update: 03-27-25
453 of 891
SSMP
ELEMENT 4 – O&M PROGRAM
APPENDIX 4.8
Collection System Maps and Information
454 of 891
Table of Contents
 4.8.A.i ‐ Underground Utilities Map Page
 4.8.A.ii ‐ Sewer Pumpstations and Trunklines Map
 4.8.A.iii ‐ Sewer Collection System Pipe Sizes
 4.8.A.iv ‐ Sewer Collection System Terrain Map
 4.8.A.v ‐ Sewer Collection System Basin Map
 4.8.A.vi ‐ Sewer Collection System Subbasin Map
 4.8.A.vii ‐ Sewer Collection System Cleaning Areas Map (Current Snapshot)
 4.8.A.viii ‐ Sewer District Cleaning Schedule Maps(Current Snapshot)  4.8.A.ix – Sewer Root Foaming Schedule Map (Current Snapshot) 455 of 891
City of San Mateo
Sewer Collection System
Pumpstations Map
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Sewer Mainlines
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EXHIBIT 4.8.A.ii ! !!! !
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! !! ! ! WWTP ! !
! ! ! ! ! September 2006
!!! !
! ! ! !
! ! ! !
! ! ! !
! Q:\pw\corpyard\Sewers\SSMP\Binder\4_O & M Program\Maps_Exhibits\Exhibit4.1.A.iiTrunksandPSs ! ! ! !
!!
456 of 891

GRAVITY SEWERS FORCEMAIN
% of Active
Force
System
(by length)
5%

2.40%

9.70%
16%
% of Active
Gravity
System
(by length)

0.20%
60%

22.10%

5.20%
3%
City of San Mateo
Sewer Collection System
Summary of Piipe Sizes
Length
(mi)

0.32 0.15

0.6 1

0.43 1.4

0.8 0.9

0.5 0.1
Length
Pipe Dia. (inch.) Length (ft)
1,691
795
Pipe Dia. (inch.) Length (ft)
2,609
(mi)

0.50 135.00

50.00 11.70

6.83 0.07

6.04 6.76

1.36 2.20

1.00 1.25

0.80 1.12

0.95 0.02
225.6
4 6
8 10
12 14
21 30
4 6
8 10
12 14
15 18
21 24
27 30
33 36
39 48
712,325
264,841
61,919
35,985
372
31,908
35,699
7,162
11,602
5,304
6,547
4,061
5,904
2,962
5,572
2,283
7,490
4,118
4,797
2,521
548
7%
~ 22.60%

12.90%

14.50%
8%

1.60%
100%

2.70%
3%

0.60%
1%

0.40%

0.60%

0.30%

0.50%

0.40%
~
33 36
SUBTOTAL: 32,777 6.2
54" OUTFALL 3,382 0.6
5,016
117
1,191,371
TOTAL SEWERS: 1,227,530 232.4
SUBTOTAL: 100.00% Abandoned Gravity: 10,062 lf (1.9mi)
Abandoned Forcemain: 2,826 lf (.5mi)
²
WWTP
Mains (4" - 8")
Trunklines (10" - 33")
EXHIBIT 4.8 Interceptors (36" + ) .A.iii
54" Force Outfall
December 2008 Q:\pw\corpyard\Sewers\SSMP\Binder\4_O & M Program\Maps_Exhibits\Exhibit4.1.A.iii_PipeSize 457 of 891
City of San Mateo
Sewer Collection System
Terrain Map
WWTP
Sewer Mainlines
EXHIBIT 4.8.A.iv
²
September 2006
Q\PW\corpyard\sewers\SSMP\MapProjects\Exhibit4.1.A.ivTerrainMap 458 of 891

CITY OF SAN MATEO

SEWER BASINS
A
C
B
D
E
E WWTP
Sewer Mainlines
•
EXHIBIT 4-8.A.v
Q:\pw\corpyard\Sewers\SSMP\Binder\4_O & M Program\Maps_Exhibits May 2007 459 of 891

CITY OF SAN MATEO

SEWER SUBBASINS
A2
A3
A4
C1
A1
B3
C3 C2
D1
B2
B4
D3
C4
D2
E3 D4
E2 E4
E1 WWTP
Sewer Mainlines
•
EXHIBIT 4-8.A.vi
Q:\pw\corpyard\Sewers\SSMP\Binder\4_O & M Program\Maps_Exhibits May 2007 460 of 891
A2f CITY OF SAN MATEO

SEWER CLEANING AREAS
A2a
A2h A4a
A2d A4b
A4c A2e
A2j
A2g A4f A2b
A4e
A2c A3i A4d
A3h
A2i
A3d
C1a
A1d
A1c
A3g C1b
C1c
A1b A3f
A3e
A1f
C3e C1d
C1e
C1f
A1g B3c B3e
B3f
B3d
A3b
A3a B3g C2c
A1e B3a C1i
A1a C2d C1g
A3c D1a C1h
D1e
B3b C3d
C3c D1b D1f C2e
B4i
B4b B4h D1c C2b
B2d
B2e
B2c
B2f B4j C3b
B4o
B4p
D1d C3a C2a
B4f
B4e
B1b
B2a B4c B4k C4j B2b C4i D3a D3c
D3b
B4d D3d B4g B4l C4h
C4f
B1a C4g
C4e
B4n
D2h
D2d
B4a
B4m
D2g D3f
E3f
D2c C4c D2f
D4j
D2e D3e C4b C4d E3b D2b
D4f
D4g
D4i
D2a E3c C4a E3d
D4h
D4c
E3e E3f E4e
E4i
D4e D4d
D4b
E3a
E2b E3g
E2a E4h E2h
E2g
D4a
E4d E4c E4g
E2c E2d E4f E2i
E4j
E2f
E4a E4b
E1b
E2e WWTP
Sewer Mainlines
•
EXHIBIT 4-8.A.vii
E1a
Q:\pw\corpyard\Sewers\SSMP\Binder\4_O & M Program\Maps_Exhibits Dec 2008 461 of 891
Citywide Sewer Mainline
Cleaning Schedule
SSML CleaningSchedule
ANNUAL
• BIANNUAL
May, 2007 EXHIBIT 4.8.A.viii 3 YEARS
Q:\pw\corpyard\Sewers\SSMP\Binder\4_O & M Program\Maps_Exhibits\Exhibit4.1.A.viiiCleaningSchedule 462 of 891
O
EXHIBIT 4.8.a. ix Root Foam Boundaries
2013/2015
2013, 2014, 2015 SEWER 2014

MAINLINE ROOT FOAM SCHEDULE
July 14, 2015
Q:\pw\PWENG\HULTEN\CDO_Reporting\6_23_15 data request\13_14_15_Root_Foam.mxd 463 of 891
SSMP
ELEMENT 6 – SPILL EMERGENCY

RESPONSE PLAN
Appendix 6.1 – Contingency Equipment
Appendix 6.2 – SPILL Field Procedures
Appendix 6.3 – Investigation and
Documentation Forms
Appendix 6.4 – Spill Calculation and
Estimation
Appendix 6.5 – Signage and Posting
Procedures
Appendix 6.6 – Water Quality Monitoring
Program
Appendix 6.7 – Spill Technical Report
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SSMP
ELEMENT 6 – OERP
APPENDIX 6.1
Contingency Equipment
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LIST OF PARTS & CONTIGENCY EQUIPMENT FOR
SANITARY SEWER SPILL EMERGENCY RESPONSE:

RESPONSE

VEHICLE
Truck
L50
F350 Pickup

QTY SPILL RESPONSE EQUIPMENT IN VEHICLE
1 1
1 1
2 1
1 1
1 1
1 1
1 1
1 1
1 1
4 2
4 2
3 3
2 1
2 1
6” to 10” air plug
10” to 24” air plug
Air tank and air compressor
Spill Kit (pads, gloves, etc.)
6 foot booms
5 foot retrieval pole
Sampling Kit with Instructions
Extra Sample bottles
6” to 8” inflatable air plug
8” to 12” inflatable air plug
12” to 18” inflatable air plug
2” flt pump
Truck with shell
L79
Ranger
Electric air compressor
Cigarette air compressor
5 gallon air tank
Water sampling kit
Bag of extra sample bottles
Water sampling pole
Raw sewage signs for cones
Sidewalk closed signs for cones
No parking signs
Flooding signs for barricades
Safety cones
Safety traffic poles (spill area)
Spill kits
Drain pig insert
Flashlights (1 mag, 1 large)
Camera
multiple Spill Reporting field forms
Gorman-Rupp 6” portable pump

PLUGS/HOSES
Portable
Emergency
Spill Response
Trailer - T61
1 1
1 1
2 1
2 1
4” plug
6” plug
12” plug
4” – 6” inflatable air sewer plug
8” – 12” inflatable air sewer plug
10” – 16” inflatable air sewer plug
12” – 18” inflatable air sewer plug
15” – 21” Plug
Last Updated 05-31-23 CONTINGENCY PARTS & EQUIPMENT
468 of 891
Emergency
Spill Response
Trailer - T61
cont.
1 1
1 1
1 18” – 24” Plug
6” flow thru plug
8” flow thru plug

3.5 suction pump 150 discharge
12ft suction hose

SIGNS/BARRICADES
3 Caution tape rolls
10 14
6 Cone arrow signs
Hazard – raw sewage sign
Men working signs
2 2
Lane closed cone sign
Sidewalk closed cone sign
Green flag markers
No parking signs
Raw sewage barricades
Barricades
20 25
5 10
6 High level signs
3 2
1 10
Danger – avoid water contact signs
Warning – keep out signs
50ft temporary fencing
delineators

LIGHTING
1 2
1 1
1 Flashlight
Dual 500W flood lights with stands
G.F.I.
2100 GENERATOR/LIGHT
20W Halogen replacement

SAMPLING
multiple Sampling Kits
multiple Extra sample bottles and labels

CLOTHING
multiple Medium, Large & X-Large Leather Gloves
multiple Medium, Large & X-Large Rubber Gloves
multiple Small, Medium & Large Nitrile Rubber Gloves
multiple Small, Medium & Large Blue Dipped Cotton Gloves multiple Ear Plugs
multiple Clear & Dark pyramex sunglasses
multiple Hardhats
multiple Rainsuits
multiple Large, X-Large & XX-Large Safety Vests
Last Updated 05-31-23 CONTINGENCY PARTS & EQUIPMENT
469 of 891

AIR COMPRESSOR
11 gallon air tank
5 gallon air tank
Small air compressor
25ft air hose
Air gauges
Blow tool
2 gallon fuel container
Emergency
Spill Response
Trailer - T61
cont.
1 1
1 1
2 1
1 DIVERSION/CONTAINMENT
multiple absorbent
2 2
5 Cases ultra-spill berm
Emergency Spill Kit
Bags white oil spill booms
OTHER
1 1
1 1
1 1
1 2
1 1
1 1
2 1
3” to 1” fire adapter
3” to 2” fire adapter
25ft measuring tape
Green spray paint
White spray paint
Stapler gun
Spanner wrench
Duct tape rolls
manhook
First Aid Kit
camera
Fire Extinguisher
Fill buckets
Clip board
Multiple Cone reflectors
1 1
4 1
25ft extension cord
100ft extension cord
42x40 plastic wrap cases
20x100 6m roll vis.
multiple disinfectant
multiple Hand sanitizers
multiple Soap bottles
15 2
3 towels
Glow stick cases
Power flairs
multiple Tie straps
1 1
1 Water cooler
Broom
EZ up tent
Last Updated 05-31-23 CONTINGENCY PARTS & EQUIPMENT
470 of 891
Vactors
T59 & T58
1 1
1 First Aid kit
Spot Light
Flashlight
1 1
Fire extinguisher
Spill Kit
1 Camera
12 1
Safety cones
Sampling Kit
Last Updated 05-31-23 CONTINGENCY PARTS & EQUIPMENT
471 of 891
SSMP
ELEMENT 6 – SERP
APPENDIX 6.2
Spill Field Procedures
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473 of 891
City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN

SPILL PROCEDURE FLOWCHART
Exhibit A

SPILL FIELD PROCEDURES FLOW CHART

ARRIVAL OF CREW

PHOTOGRAPH SOURCE OF SPILL & AFFECTED AREA
CHECK UNDERGROUND MAP BOOK Refer to Sewage Watershed Map. Has spill reached receiving waters either directly or through a catchbasin that runs
directly to waters?
YES Identify affected watershed.

Page 17 ends

ASSESSMENT
Has spill reached Storm Drains?
If more than 10,000 gallons reached a
waterway, direct staff to: YES
NO
Implement Beach
/Park Contaminated
Water Postings.
(Procedures on
PAGE 15)

PHOTO POSTED

LOCATIONS
Can the spill be contained in the storm
drain (entered a bubble-up – or storm
drain can be plugged)?
Implement
Sampling.
(Requirements on
PAGE 37)

NO YES PHOTO SAMPLE
LOCATIONS Insert plug downstream if
not a bubble-up.

Deliver samples to
labs. Return to provide
assistance at spill site.

Return to
provide
assistance at
spill site.

Barricade spill area and post
Warning: Raw Sewage signs to ensure no public
contact with spill.

BARRICADE &
POST

PHOTOGRAPH BARRICADED AREA
Use berms, mats, soil or other methods to
Divert flow away from: Channel flow towards:
● Storm drains not acting as spill containment,
&
● A low area of ground where spill can be
collected, &/or

DIVERSION &
CONTAINMENT ● Waterways
● Other sensitive areas ● A downstream manhole, &/or
(schools, intersections, playgrounds, etc.) ● A bubble-up or plugged storm drain

PHOTOGRAPH DIVERSION & CONTAINMENT
Use cleaning equipment appropriate to
Clear blockage. (Powerrod, Hydrosaw,
HydroJet, etc.) Follow equipment usage
SOPs and safety requirements!
[Set up vactor downstream or a trap in manhole to
catch debris released during blockage removal.]
Storm Drain Cleaning CLEAR
BLOCKAGE  Vacuum visible signs of sewage spill
(record volume of initial spill vacuumed).
 Flush storm drain with water (3x the
amount of the recorded spill volume).
 Ensure signs of spill are removed.

YES  Return flush water to sanitary sewer.

Did spill reach storm drains?
NO
 Vacuum/remove visible signs of sewage spill (solids, grease, TP, etc).  Set up means to return water to sanitary sewers (berms, etc.)  Spray disinfectant (wait 10 minutes) & broom area.

AREA CLEAN UP
 Flush area affected by spill with water (use at least 3x the amount of the recorded spill volume) ensuring water is returned to sanitary sewer.
 PHOTOGRAPH AREA AFTER CLEAN-UP
 Estimate total gallons of spill and gallons recovered. Estimate spill start and end times and duration of spill. FILL OUT SPILL FIELD FORM completely. Return all forms and pictures to office.  PERFORM CCTV as soon as possible or within 24 hours of spill - submit burned DVD.  Information reviewed between Crew, Leadworkers, Supervisors and Sr. Project Manager.

DOCUMENTATION
& REPORTING
474 of 891
City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN

SAMPLE NOTIFICATION SIGNAGE
Exhibit B
DANGER

RAW SEWAGE
Keep Children and pets out of this area.

AVISO

AGUAS RESIDUALES CRUDAS
For more information – Para mas informacion
Contact: City of San Mateo
Department of Public Works
(650) 522-7300
475 of 891
City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN

EASEMENT ACCESS PROCEDURE
Exhibit C
Sewer Maintenance SOP

EASEMENT ACCESS PROCEDURES
AFTER RECEIVING A SEWER COMPLAINT FROM CITY HALL OR DISPATCH…  Maintenance crew arrives at address and knocks on door.

IF RESIDENT IS HOME:


Inform resident that there is a need to inspect the sewer system located in the sewer easement on their property.

Proceed to yard and perform required maintenance activities as neatly as possible. Try not to disturb landscaping.



Replace manhole cover and remove all signs of activities, equipment, debris, etc.

Ensure gate(s) are shut on the way out.

Inform resident(s) of the condition encountered, work completed and if there is any necessary follow-up. If so, provide an anticipated date and time when crews need to return.

If necessary, identify the location of the upstream and/or downstream manhole(s) in the underground map book. Proceed to that residence and start process again. 
If resident refuses entry:
 Hand the resident the “Access Required” door hanger and allow them a moment to read and understand the City ordinance that residents must provide unobstructed access to public mainlines and manholes located on private property. If necessary, hand resident manager’s business card and wait for resident to call.

If resident STILL refuses entry:
 Return to yard and ask supervisor to mail an “Access Ordinance” letter to the resident. The letter should provide a date and time upon which crews will return and require access.

Daytime: IF NO ONE IS HOME AND YARD IS ACCESSIBLE:
 Fill out the “Access Required” door hanger explaining that there was a need for sewer crews to access the public sewer mainline/manhole on the property. Leave on the door knob(s) of doors expected to be used by returning residents.


Go to gate and call out (make noise) in case there is a dog in the yard.

Enter yard and proceed with maintenance activities as neatly as possible. Try not to disturb landscaping.
 After activities are completed, replace manhole cover and remove all signs of activities, equipment, debris, etc.


Ensure gate(s) are shut on the way out.

If no one has returned, complete information on the door hanger providing the resident with information on the condition encountered, work completed and if there is any necessary followup and when crews are anticipated to return.

Daytime: NON-EMERGENCY- - IF NO ONE IS HOME AND YARD IS NOT ACCESSIBLE:
 Fill out the “Access Required” door hanger explaining that there is need for sewer crews to access the public sewer mainline/manhole on the property. Provide a date and time upon which crews will return and expect access (gate unlocked, dogs kept inside, etc.) in order to service the mainline of manhole.
 Return at specified date and time.

If yard is still not accessible:
 Return to yard and ask supervisor to mail an “Access Ordinance” letter to the resident. The letter should provide a date and time upon which crews will return and require access.

If yard is YET AGAIN not accessible:
476 of 891
City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN

SAMPLE DOOR HANGER
 Call communications and/or a code enforcement officer and request an escort onto the property.

Daytime: EMERGENCY - - IF NO ONE IS HOME OR UNABLE TO GET A RESPONSE & YARD IS NOT ACCESSIBLE:


Call communications and inform them that there is a sewer emergency and crews are going into the yard of a residence. This is important in case resident calls police about an intruder.

Fill out the “Access Required” door hanger explaining that there was a need for sewer crews to access the public sewer mainline/manhole on the property. Leave on the door knob(s) of doors expected to be used by returning residents.


PROCEED TO ATTEND TO THE EMERGENCY. (Crews may need to jump the locked fence).

After activities are completed, replace manhole cover and remove all signs of activities, equipment, debris, etc.


Ensure gate(s) are shut on the way out.

If the resident has not returned, complete information on the door hanger providing the resident with information on the condition encountered, work completed and if there is any necessary follow-up and when crews are anticipated to return.
 Call communications again to inform them you are leaving the site.

Nighttime: EMERGENCY - - IF NO ONE IS HOME OR UNABLE TO GET A RESPONSE & YARD IS NOT ACCESSIBLE:


Call communications and inform them that there is a sewer emergency and crews REQUEST THE PRESENCE OF AN OFFICER (ASAP).

Fill out the “Access Required” door hanger explaining that there was a need for sewer crews to access the public sewer mainline/manhole on the property. Leave on the door knob(s) of doors expected to be used by returning residents.
 AFTER ARRIVAL OF AN OFFICER, PROCEED TO ATTEND TO THE EMERGENCY.

Do not attempt to gain access prior to the arrival of an officer.

After activities are completed, replace manhole cover and remove all signs of activities, equipment, debris, etc.



Ensure gate(s) are shut on the way out.

Dispatch/Communications # = 650–522–7700
477 of 891
SSMP
ELEMENT 6 – OERP
APPENDIX 6.3
Investigation and Documentation Forms
478 of 891
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479 of 891
City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN

INVESTIGATION AND DOCUMENTATION FORMS

SPILL INVESTIGATION FORM
Caller Summary Condition Encountered (Describe…):

SPILL ADDRESS:

Cross Street: Customer Cleanout was (circle): Full Empty Non-existent CALLER NAME:
● ACTIONS TAKEN (circle): JET VAC CCTV
CALLER CONTACT #:

DATE OF INITIAL CALL:

TIME OF INITIAL CALL:

HANDROD SNAKE OTHER:

Order of Steps Taken:
am pm
am pm

1. 2.

3. 4. EST. TIME SPILL STARTED:

Work Summary
Contained Spill (circle):
●Restored Flow?:

ALL PORTION NONE REC’VD BY CREW (DATE/ TIME): am pm
am pm
Y
Y
N
N
ARRIVAL TIME: :
●SITE CLEANED-UP?:

Called PW Sup. ______□ Spoke □ Left message
(Initial) (Sup Initials) □ Called PW Mgr ●SITE DISINFECTED?: Y N N
TIME SPILL ENDED:

TIME CLEAN-UP FINISHED:

EMPLOYEES:
am pm
am pm
●HEALTH WARNINGS POSTED AT SITE?: Y
●BEACHES POSTED?:
●BARRICADES PLACED?
●PHOTOS TAKEN?
Y
Y
Y
N
N
N
VEHICLES:

MATERIALS:

Spill Details
●PROBLEM (circle):
●SPILL DURATION (hrs/min):
●EST. SPILL RATE (gal/min):
●EST. SPILL VOLUME (gal):
●EST. VOL RECOVERED(gal):
●EST. VOL NOT RECOVERED(gal):

Blockage
Broken
(If blockage) ●BLOCKAGE FROM:

Animal Carcass
Construction Debris
Debris/Grit
Capacity Deficiency
I & I
Unknown Detergent
●FEET CLEANED: _ main lateral Grease/FOG
Roots
Further Details:
●RAIN: Y N If Yes
●PROPERTY TYPE?:
●PROPERTY DAMAGE?:

Size of Rain Event:

Public
Yes
Private
No
Solids
Other
●SPILL APPEARANCE POINT:
□ Inside Bldg/Struc (location) ●FINAL DESTINATION: Bubble-Up Storm Drain Storm Drain System*
Inside Bldg/Structure
Unpaved Surface
□ Cleanout on lateral
Lat type: □ Proper c-o □ Imp c-o □ No c-o
Lat loc: □ Front □ Back
MH#
□ Side
Street/Curb/Gutter
□ Manhole Surface Water Impact
Other □ Lampost Cleanout LP#
□ Other *If Storm Drain System – Was stormpipe plugged downstream PROBLEM FOUND IN:

UPSMH#
□ Lateral □ Mainline and vacuumed? Y N N/A
DWNMH#
●REACH STATE WATERS?: Y N UNK
N/A
PIPE DIA.: ˝ MATERIAL: AGE ____ ●EST VOL REACHED STATE WATER: gal ●SAMPLES COLLECTED: Y N
480 of 891
City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN

INVESTIGATION AND DOCUMENTATION FORMS

SPILL SERVICE CALL FORM
When a call is received by a representative of the City of San Mateo regarding a spill complaint, or when a City representative witnesses a sewage discharge, the following information should be recorded:

Date: Time Call Received: Received By:

Caller’s Name: Phone #:

Caller Address:

Location of Spill: Estimated
Time spill began:

X-St.

NOTE: A City Representative could be any City employee, a police officer or dispatcher, fire fighter, or administrative staff. The Sewer Division is to ensure that all representatives of the City understand the urgency in contacting the Sewer Division directly after receiving a spill complaint and the importance of collecting contact information and the estimated start of spill time. 481 of 891
City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN

INVESTIGATION AND DOCUMENTATION FORMS

SPILL - REQUIRED NOTIFICATIONS
If more than 1,000 gallons reached surface waters or are likely to reach waterways
Initial phone call:

PERSON CALLING:____________
Call CAL OES within 2 hours*: 800-852-7550
* notify CAL OES as soon as notification can be provided without substantially impeding cleanup or other emergency measures, but no later than 2 hours after becoming aware of spill
DATE & TIME: ________________
Write down CAL OES #: SPOKE TO: __________________
Call CAL OES back if the information you initially provide them (spill volume, waterway being impacted, etc) significantly changes from the time of the initial phone call.

Updates to CAL OES, if needed:

PERSON CALLING:____________
DATE & TIME: ________________
SAMPLING AND PUBLIC POSTINGS – Only for spills where more than 10,000 gallons enter waterways Receiving Waters were: □ Noticeably Impacted □ NOT Noticeably Impacted Name of waterway where sewage entered water:

Waterway was a: □ Creek
Waterway was : □ Dry
□ Channel
□ Ponded
□ Other
□ Trickling □ Flowing □ Gushing
Locations where signs were posted: ____________________________________ (take pictures) Samples taken by:

Samples taken:

Date & Time:
ft upstream & ft downstream of where sewage entered water Conditions that may have influenced sample results:

RE-SAMPLING
Sample dates:

Date of “clear” sample and signs removed:

Additional notes:_________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________

ADDRESS HISTORY/ SPILL FOLLOW-UP
Date of last Maintenance: Frequency of Maintenance:

Dates/ WO#s of Previous Backup Calls:

Final Determinations of Cause: Spill Corrective
Action Taken:
□ Adjust Maintenance Schedule / Method of Cleaning – Describe:
□ Line TV’d
□ Repair Scheduled for
Date:

Date:
□
Date: Replaced Line
□ Other (Describe)
482 of 891
City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN

INVESTIGATION AND DOCUMENTATION FORMS

SPILL START TIME INVESTIGATION
Caller: ____________________
Where did you see sewage spill from? Manhole
Other_____________________________________________________________________ Date/time caller noticed spill: Date: ____/____/_Time: _____:______ AM PM Inside Building Clean Out Wet well/Lift station
Comments from caller: _______________________________________________________________________________________ __________________________________________________________________________________________________________ Last time Caller observed NO spill occurring: __________:__________ AM PM Date: _________/________/________ Comments:________________________________________________________________________________________________ _
__________________________________________________________________________________________________________ First Responder: ____________________
Arrival Date/Time: Date: ___/___/___ Time:_________:_______ AM PM ** Attempts should be made to interview at least two (2) others in addition to the Caller.

If nobody is available, document attempts (by address or passer-by) ** On Site Interview 1: Name/Address: ____________________________________________________________________________ Observation Description: _____________________________________________________________________________________ _____________________________________________________ Time Observed Spill: ______:______ AM PM N/A On Site Interview 2: Name/Address:
_____________________________________________________________________________ Observation Description:
______________________________________________________________________________________ _____________________________________________________ Time Observed Spill: ______:______ AM PM N/A Other comments regarding spill start time (more attempted interviews, or reason for no interviews, etc.): _______________________ __________________________________________________________________________________________________________ __________________________________________________________________________________________________________ __________________________________________________________________________________________________________ __________________________________________________________________________________________________________ __________________________________________________________________________________________________________ __________________________________________________________________________________________________________ 483 of 891
City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN

INVESTIGATION AND DOCUMENTATION FORMS

SPILL VOLUME CALCULATION
The purpose of this worksheet is to capture the data and method(s) used in estimating the volume of a spill.

Since there are many variables and often unknown values involved, this calculation is just an estimate.

Additionally, it is useful to use more than one method, if possible, to validate your estimate.

Check all methods and tools that you used: Remember to take photos! 





Visual estimate
Measured surface area and volume
Duration and flow rate
Estimated daily use per capita upstream
Meter @ Pump Station
Other (use notes to explain)
Visual Estimate Method- Imagine a bucket(s) or barrel(s) of water tipped over.

Size of bucket(s) or
barrel(s)
1 gal. water jug
How many of this
Size?
Multiplier
X 1
Total Volume
Estimated
5 gal. bucket X 5
32 gal. trash can X 32
55 gal drum X 55
Total Volume Estimated
Using Visual Method
Measured Volume Method (this may take several calculations as may have to break down the odd shaped spill to rectangles, circles, and polygons)
If the entire spill is settled in one area, calculate the volume of spill in feet (L' X W' X D') and convert to gallons (X7.48 for gallons in a square area, and X.785 for gallons in a circular area). It is important when guessing depth to measure, if possible in several locations and use an average depth.

1. Draw a sketch of the spill in the space provided on next page

2. Draw shapes and dimensions used for calculations

3. Use correct formula for various shapes (see table below) Spill Shape
Rectangle
Volume Calculation Formula
L x W x Dx7.48
Volume Result
Circle 3.14 x R² x Dx0.785
Polygons Show formula used
484 of 891
City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN

INVESTIGATION AND DOCUMENTATION FORMS

USE THIS SPACE TO DRAW A SKETCH OF THE SPILL SHAPE AND DIMENSIONS Duration and Flow Rate Method
Start date and time:

End date and time:

Total spill duration:

Subtract line 1 from line 2. Show time in minutes
Average flow rate in GPM:

Use photo chart to estimate flow rate
(account for diurnal patterns if long duration)
Total volume estimate:
minutes x gpm
Upstream Connections Method
If you are dealing with a spill that has been running into a storm drain, you must estimate the gallons by: the amount of the spill times the number of upstream connections on the receiving line (200 gal. per household per 24 hr) and estimate the time that the flow has been occurring. Each residence contributes about 240 gallons per day or about 10 gallons per hour.

Multiply the number of residences by 10 and by the number of hours. This gives you the number of gallons.

EXAMPLE A: If you have a line with 6 houses on it and it has been spilling for 24 hours :
6 houses x 200 gallons per house per 24 hours = 1,200 gal.

EXAMPLE B: If you have 60 houses on a line that has been overflowing for 4 hours :
60 houses x 10 gallons per house per hour x 4 hours= 2,400 gal.

Pump Station Method
If the flow is coming from a pump station, use the previous day's (same weather) flow and pump capacity to estimate the flow.

Additional Notes (attach extra pages if needed):
485 of 891
City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN

INVESTIGATION AND DOCUMENTATION FORMS
SAMPLING Remember to take photos!
Required for spills where more than 10,000 gallons reach surface waters Name of waterway/channel where sewage entered water:

Waterway was: Dry Ponded □ □ □ Trickling □ Flowing □ Gushing Waterway was: □ Noticeably Impacted □ NOT Noticeably Impacted Samples taken by: Date & Time:

Samples taken: ft downstream of where sewage entered
water
ft upstream &
Conditions that may have influenced sample results:

Additional sample location(s), if requested by Sr Project Manager or San Mateo County Health:

RE-SAMPLING
Sample Dates/Times:

Additional Sampling Notes:

USE THIS SPACE TO DRAW A SKETCH OF SAMPLING LOCATIONS IN RELATION TO THE SPILL LOCATION 486 of 891
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SSMP
ELEMENT 6 – OERP
APPENDIX 6.4
Spill Calculation and Estimation
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City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN SPILL

CALCULATION AND ESTIMATION METHODS
Sewer Maintenance Spill
Calculation and Estimation Methods
Outlined in this document are three methods that are most often employed for estimating the volume of sanitary sewer spill. The City staff preparing the estimate should utilize the most appropriate method for the sewer spill in question and use the best information available.

Method 1: Eyeball method
The volume of small spills can be estimated using an “eyeball estimate”. To use this method imagine the amount of water that would spill from a container listed on the table below. A jug contains 1 gallon, a bucket contains 5 gallons, and a drum contains 55 gallons. If the spill is larger than 55 gallons, try to break the standing water into 55 gal drums and then multiply by 55 gallons. This method is useful for contained spills up to approximately 220 gallons.

Size of
container
Water jug
Bucket
How many
of this size?
Size Multiplier Total Volume
(gal) Estimated (gal)
X 1
X 5
55 gal drum X 55
Total volume
estimated
Method 2: Measured Volume
The volume of most small spills that have been contained can be estimated using this method.

The shape, dimensions, and the depth of the contained wastewater are needed. The shape and dimensions are used to calculate the area of the spills and the depth is used to calculate the volume.

Common Shapes and Dimensions
Steps for Volume Calculation
Step 1
Step 2
Step 3
Step 4
Step 5
Sketch the shape of the contained sewage (see figure above).

Measure or pace off the dimensions.

Measure the depth at several locations and select an average.

Convert the dimensions, including depth, to feet.

Calculate the area in square feet using the following formulas:
490 of 891
City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN SPILL

CALCULATION AND ESTIMATION METHODS
Rectangle: Area = length (feet) x width (feet)
Circle:

Triangle:

Area = diameter (feet) x diameter (feet) x 0.785
Area = base (feet) x height (feet) x 0.5
Step 6
Step 7
Multiply the area (square feet) times the depth (in feet) to obtain the volume in cubic feet.

Multiply the volume in cubic feet by 7.5 to convert it to gallons Method 3: Duration and Flowrate
Calculating the volume of larger spills, where it is difficult or impossible to measure the area and depth, requires a different approach. In this method, separate estimates are made of the duration of the spill and the flowrate. The methods of estimating duration and flowrate are:

Duration
The duration is the elapsed time from the time the spill started to the time that the flow was restored.

Start Time: The start time is sometimes difficult to establish. Here are some approaches:

1. Local residents can be used to establish start time. Inquire as to their observations.

Spills that occur in rights-of-way are usually observed and reported promptly. Spills that occur out of the public view can go on longer. Sometimes observations like odors or sounds (e.g. water running in a normally dry creek bed) can be used to estimate the start time.

2. Changes in flow on a downstream flowmeter can be used to establish the start time.

Typically the daily flow peaks are “cut off” or flattened by the loss of flow. This can be identified by comparing hourly flow data during the spill event with flow data from prior days.

This method will likely only be effective with consistent weather.

3. Conditions at the spill site change over time and can be used to establish the start time.

Initially there will be limited deposits of toilet paper and other sewage solids. After a few days to a week, the sewage solids form a light-colored residue. After a few weeks to a month, the sewage solids turn dark. The quantity of toilet paper and other materials of sewage origin increase over time. These observations can be used to estimate the start time in the absence of other information. Taking photographs to document the observations can be helpful if questions arise later in the process. This method is valid for spills that have been occurring for a long time and may be used in conjunction with either of the above methods.

4. It is important to remember that spills may not be continuous. Blockages are not usually complete (some flow continues). In this case the spill would occur during the peak flow periods (typically 10:00 to 12:00 and 13:00 to 16:00 each day). Spills that occur due to peak flows in excess of capacity will occur only during, and for a short period after, heavy rainfall.

End Time: The end time is usually much easier to establish. Field crews on-site observe the “blow down” that occurs when the blockage has been removed. The “blow down” can also be observed in downstream flowmeters.

Flow Rate
The flowrate is the average flow that left the sewer system during the time of the spill.

There are three common ways to estimate the flowrate:
491 of 891
City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN SPILL

CALCULATION AND ESTIMATION METHODS

1. The San Diego Manhole Flowrate Chart: This chart, included as at the end of this appendix, shows sewage flowing from manhole covers at a variety of flowrates. The observations of the field crew can be used to select the appropriate flowrate from the chart. If possible, photographs are useful in documenting basis for the flowrate estimate.

2. Flowmeter: Changes in flows in downstream flowmeters can be used to estimate the flowrate during the spill.

3. Counting Connections: Once the location of the spill is known, the number of upstream connections can be determined from the sewer maps. Multiply the number of connections by 200 to 250 gallons per day per connection or 8 to 10 gallons per hour per connection.

For example: 22 upstream connections * 9 gallons per hour per connection = 198 gallons per hour / 60 minutes per hour
= 3.3 gallons per minute
Spill Volume
Once duration and flowrate have been estimated, the volume of the spill is the product of duration (hours or days) and the flowrate (gallons per hour or gallons per day).

For example: Spill start time = 11:00
Spill end time = 14:00
Spill duration = 3 hours

3.3 gallons per minute x 3 hours x 60 minutes per hour
= 594 gallons
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City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN SPILL

CALCULATION AND ESTIMATION METHODS
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ELEMENT 6 – OERP
APPENDIX 6.5
Signage and Posting Procedures
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Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN

SPILL SIGNAGE AND POSTING

PROCEDURES

POSTING OF CONTAMINATED WATERS IN CONNECTION WITH SPILL This requirement applies to sanitary sewer overflows where 10,000 gallons or more reached a waterway or are expected to reach public creeks, drainage channels, and/or waters that run adjacent to or through City Parks and are accessible to the public, and/or the Marina Lagoon.

1. Follow spill emergency response procedures for spill assessment, and containment.

2. If sewage entered surface waters and was not fully recovered, refer to Sewage Watershed Map (page 22) and determine area of impact. Note name of watershed, names of waterways and beaches (if applicable) on spill field form.

3. Spill Response Crew shall assign a crew to post contaminated water advisory signs at all pre-determined locations downstream of spill location in the identified watershed(s).

Crew shall follow the Preferred Specific Locations identified on pages 23 through 25.

Signs shall be posted in conspicuous locations to avert potential human water contact.

Park locations where waters are completely fenced and inaccessible to the public will not receive signage.

4. If impacted watershed drains in to the Marina Lagoon, the large beach closure signs shall be utilized at Aquatic Park (1097 Seal Court) and Lakeshore Park (1500 Marina Court).

5. Leadworker, PW Supervisor or Sr. Project Manager shall inform Director of Parks and Recreation (522-7404) and Parks Manager (522-7423) of spill address/location, date, time and volume of spill, and the name of the impacted Sewage Spill Watershed.

6. Warning signs should remain posted until the risk of contamination has subsided to acceptable background levels. For beaches, this will be determined by the San Mateo County Department of Environmental Health. For all other waterways, re-sampling must be performed by crews.

For Questions or further assistance,
Contact County Recreation Water Quality Program
Phone 363-4798
496 of 891
City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN

SPILL SIGNAGE AND POSTING PROCEDURES
DANGER

RAW SEWAGE

WATER CONTACT MAY

CAUSE ILLNESS
AVISO

AGUAS RESIDUALES CRUDAS

EL CONTACTO CON AGUA

PUEDE CAUSAR ENFERMEDADES
For more information – Para mas informacion
Contact: City of San Mateo
Department of Public Works
(650) 522-7300
497 of 891
City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN

SPILL SIGNAGE AND POSTING PROCEDURES
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City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN

SPILL SIGNAGE AND POSTING PROCEDURES

PARK SIGNAGE POSTING LOCATIONS
Follow these noticing procedures for SSOs where more than 10,000 gallons reached (or are likely to reach) waterways that run adjacent to or through City Parks and are accessible to the public.

1. Identify the location of the spill on the Sewage Spill Watersheds, Spill Notifications Boundaries Map. Note the Name of the watershed. ALSO - Note whether the Watershed is part of a drainage system that reaches the Marina Lagoon (these watersheds are encircled in red on the map).

2. Find the name of the Watershed below and proceed to post “Danger, Raw Sewage” signage at the locations specified.

3. Remember to also post Beach Closure signs at Lakeshore Park, Aquatic Park, Bayside/Joinville and Tidelands Park.

Edgewood Creek Spill Watershed
There is no public access to any waterways in this watershed. PW Supervisor to contact and coordinate actions with the City of Burlingame.

Poplar/Bayfront Spill Watershed
Ryder Park
Post one sign downstream of water feature, adjacent to the wood deck.

San Mateo Creek Spill Watershed
Gateway Park
rd th Post signs at the waters edge at the 3 Avenue and 4 Avenue entrances to the Park. Attach a third sign to an A-Frame and place it at the top of the stairs in the middle of the park which lead down to the creek.

Proceed to posting Arroyo Park (page 19).
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City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN SPILL

SIGNAGE AND POSTING PROCEDURES
San Mateo Creek Spill Watershed continued…
Arroyo Park/DeAnza Historical Park (Arroyo Court)
Post signs in three locations on the pathways leading from Arroyo drive to the Creek.

NOTE: If spill occurred in upper San Mateo Creek around Polhemus, contact the Town of Hillsborough and the County Sanitary Sewer District.

Shoreview Spill Watershed
There is no public access to any waterways in this watershed. No posting is required. 16TH Ave. Channel Spill Watershed
There is no public access to any waterways in this watershed. Proceed to post at the Marina Lagoon locations from Aquatic Park north to the Marina Lagoon Pump Station (page 25). 19TH Ave. Channel Spill Watershed
There is no public access to any waterways in this watershed. Proceed to post at the Marina Lagoon locations (page 25).

Los Prados Spill Watershed
There is no public access to any waterways in this watershed. Proceed to post at the Marina Lagoon locations (page 25).

Laurel Creek Spill Watershed
Laurelwood Park (3471 Glendora Dr.)
Proceed into park, pass the playground and take the path to the left. There are creeks on either side (creek on the right drains from Belmont). Post one sign near the culvert on the left side. Continue down the path and post another sign on the left side at the path leading down to the creek. Further down there is a fork in the path; stay to the left and post again at the creek access. Then, proceed to Post at Marina Lagoon locations (page 20).
500 of 891
City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN SPILL

SIGNAGE AND POSTING PROCEDURES

MARINA LAGOON PARK AND BEACH POSTINGS
Follow these noticing procedures for SSOs where more than 10,000 gallons reached (or are likely to reach) the Marina Lagoon.

The following locations are preferred specific locations for postings at locations along the Marina Lagoon where waters of the Lagoon are accessible.

Mariners Island Park (1550 Shoal Dr. – part of Mariners Island Spill Watershed) Post one sign along the waters edge in the ice plant
Bayside / Joinville Park (2111 Kehoe Ave)
Cross over the bridge from Joinville Park heading towards the Marina Lagoon Pump Station. Follow walking path along the lagoon. Post signs in the ice plant near the waters edge, conspicuously, in at least two locations along the walking path.

North End Marina Lagoon Boat Launch (Anchor Road. Near the Marina Lagoon Pumpstation) Post a sign at the boat launch.
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SSMP
ELEMENT 6 – OERP
APPENDIX 6.6
Water Quality Monitoring Program
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City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN

WATER QUALITY MONITORING PROGRAM

INTRODUCTION
This Water Quality Monitoring Program supplements the description of City response activities and standard operating procedures to be utilized in the SERP, in the event a sanitary sewer spill exceeds 50,000 gallons and enters surface waters. This program is reviewed periodically and may be updated as necessary.

SAFETY
Be aware of safety issues and do not subject personnel to unsafe conditions in order to comply with this Water Quality Monitoring Plan. Sampling will not be conducted if there are any concerns regarding field crew safety. These concerns may include heavy rain events, which compromise access points through flooding and swift currents. Thunderstorms will also be avoided when lightning is occurring. Employ the buddy system as required to maximize employee safety when sample collection is required.

ESTIMATION OF SPILL TRAVEL TIME
The following methods are recommended to estimate spill travel time and direction:
• Method 1: Use a velocity probe (such as a Global Water FP111-S Flow Probe). To determine the rate of flow in the surface water or
• Method 2: Visual ft/sec measurement. This may be done by observing or dropping floatable debris in the surface water and timing how long it takes to travel over a measured distance (e.g., 100 feet). Include sections in the surface water where there are bends, bottlenecks, or other characteristics that may slow down the flow. If the first measurement is uncertain, this estimate may be performed three to five times, and the values averaged to determine an estimated travel time.

Either method will provide a means to estimate the distance traveled and identify where the spill may be headed within the waterway.
504 of 891
City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN

WATER QUALITY MONITORING PROGRAM

WATER QUALITY SAMPLING PROCEDURES
• In the event a spill reaches a surface water or (flowing) drainage channel tributary and the volume is estimated as greater than 50,000 gallons, samples are required within 48 hours of first knowing of the release. The purpose of water quality sampling is to determine the nature and extent of the impact of the spill. Note: Water quality sampling should not be given precedence over stopping the spill or protection of public health. • When sampling a spill, collect a minimum of three samples as conditions allow. One sample shall be located 100 feet upstream of the point where sewage entered the waterway. The second sample shall be taken at the discharge location. A third sample shall be taken 100 feet downstream of the point where sewage entered the waterway.

When possible, collect samples from the middle of the waterway where the water is actively flowing.
•
•
Sample for Total Coliform, E. coli, enterococcus, and Ammonia as a minimum. Conduct additional sampling for pH if practical.

Additional follow-up samples may be required by the County Health Department to confirm the surface water quality has returned to baseline conditions. The timing and location of samples shall be determined through discussions with the County Health Department. Follow-up samples may be used to determine if posting of warning signs should be discontinued (if signs were posted).
• Collaboration with the County Health Department should continue until closure is obtained.

WATER QUALITY SAMPLING EQUIPMENT
The following list describes equipment that should be stocked and readily available for each water quality sampling event.
•
•
•
•
Personnel protective equipment including latex/nitrile gloves and eye protection 3 – 120 mL sterile plastic containers for Bacteria sample collection. 3 – 250 mL plastic containers preserved with H SO for Ammonia analysis. 2 4 3 – 250 mL plastic containers (for collecting the sample and transferring to the preserved container for ammonia. Also can be used for checking pH, if desired) •
•
•
1 – Sample Collection Tool (extension pole with attachment to hold sample bottle) Cooler with ice packs
Chain of Custody forms for WWTP Lab, Caltest Labs, and County Health Lab, Ensure that there are adequate quantities of sample containers-kits if there are more than three sample locations.
505 of 891
City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN

WATER QUALITY MONITORING PROGRAM

SAMPLE COLLECTION PROCEDURE
Note: Collect the UPSTREAM sample first.

I. Bacteria Sample Collection – Dip sample bottle into water, preferably mid-stream

1. Using the 120-mL sterile plastic sample bottles, one sample must be filled at a point approximately 100 feet upstream of where the spill entered the receiving water, a second bottle filled at a point 100 feet downstream of where the spill entered the receiving water, and the third sample collected at the point where the spill entered the receiving water. Total coliform, E. coli and enterococcus can be analyzed at the lab from each sample container.

2. Immediately before sampling, don latex/nitrile gloves. Using a pen (that doesn’t smear in water) record on the bottle label (1) the sample ID*, (2) date, (3) time of sample collection, and (4) the sampler’s initials.
*Sample ID = Manhole#–UP (upstream) or Manhole#-DWN(downstream) Example for upstream Sample ID: 431:06-UP
Example for downstream Sample ID: 431:06-DWN
Example of discharge point Sample ID: 431:06-PT

3. Carefully open the sample bottle without touching the inside of the lid or bottle.

4. Face upstream (or upgradient) using the extension pole or by hand, submerge the sample container and fill it under water, if possible, without collecting surface or bottom debris. Pour off excess sample volume so that the container is filled to the 100-mL fill line. Secure the lid and dry the outside of bottle with a paper towel.

5. Immediately place the filled & labeled sample container inside the cooler with ice or cold packs.

6. Repeat Steps 1 through 5 for each bacteria sample location. Proceed to Section III (after collecting ammonia samples if necessary).

II. Ammonia Sample Collection – Do NOT Dip Sample Bottle into Water Use Secondary Container

1. One 250-mLplastic ammonia sample bottle (containing sulfuric acid as preservative) must be filled at a point 100 feet upstream of where the spill entered the receiving water, one sample collected at a point 100 feet downstream of where the spill entered the receiving water, and a sample where the spill entered the receiving water. USE THE UNPRESERVED SAMPLE CONTAINER (does not contain sulfuric acid) TO COLLECT THE SAMPLE AND TRANSFER THE CONTENTS TO THE PRESERVED SAMPLE CONTAINER. Sampling personnel must wear gloves and safety glasses while collecting samples for ammonia because of potential contact with sulfuric acid, which is highly corrosive.

2. Use a pen that does not smear when wet to record on the bottle label (1) the sample ID*, (2) date and (3) time of sample collection, and (4) the sampler’s initials. 506 of 891
City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN

WATER QUALITY MONITORING PROGRAM
*Sample ID = Manhole#–UP (upstream) or Manhole#-DWN(downstream) Example for upstream Sample ID: 431:06-UP
Example for downstream Sample ID: 431:06-DWN
Example of discharge point Sample ID: 431:06-PT

3. Remove the lid from the clean / empty / unused 250-mL plastic secondary container (does not contain sulfuric acid).

4. Face upstream (or upgradient) using the extension pole or by hand, submerge the secondary container and fill it under water, if possible, without collecting surface or bottom debris.

5. Carefully open the ammonia sample bottle containing sulfuric acid.

6. Slowly transfer sample from the secondary container into the 250-mL ammonia sample bottle preserved with sulfuric acid. Secure the lid so that acidified sample does not leak out of the bottle and dry the outside of bottle with a paper towel.

7. Immediately place the filled & labeled sample container inside the cooler with ice or cold packs.

8. Repeat Steps 1 through 7 for each ammonia sample location.

III. Chain-of-Custody & Sample Delivery

1. Depending on which lab the bacteria samples will be delivered to, complete the appropriate Chain-of-Custody (COC) form for the bacteria samples (either the WWTP Lab or County Health Lab); include the Sample IDs, Date & Time of Sample Collection and Sampler’s Name & Signature. Note the approximate upstream and downstream distance in the “Notes” field on the COC if the samples were collected from a distance other than 100 feet.

The COC is a legal document and must be complete.

2. Specify on the COC the analyses requested for each sample. Each sample should be analyzed for: Total coliform, E. coli, and Enterococcus. Each COC is pre-filled for three samples; add additional lines if more samples were collected.

3. Complete the Caltest Lab COC form for all samples that will be analyzed for ammonia. Include the Sample IDs, Date & Time of Sample Collection and Sampler’s Name & Signature. Note the approximate upstream and downstream distance in the “Notes” field on the COC if the samples were collected from a distance other than 100 feet.

The COC is a legal document and must be complete.

4. Deliver bacteria samples to the WWTP Laboratory during normal business hours (Mon – Sun 6:30 a.m. to 3 p.m.). If after business hours, deliver to the County Health Lab.

5. Ammonia samples will be picked up by Caltest from the WWTP Lab. A sample refrigerator labelled “Caltest Pickup” is in the sample receiving room of the WWTP Lab. Place the labelled ammonia samples in the refrigerator. MAKE SURE THE 507 of 891
City of San Mateo
Public Works Department
Environmental Services Division

SPILL EMERGENCY RESPONSE PLAN

WATER QUALITY MONITORING PROGRAM
SAMPLE LABELS AND COC ARE COMPLETE. Place the CalTest COC in the clip on the refrigerator door. Call Caltest for a pickup (707-258-4000). The courier will sign the COC when they pick up the samples and leave a copy of the signed COC in the clip.

6. If unable to deliver the bacteria samples to the WWTP Lab, they can be delivered to the San Mateo County Public Health Laboratory at:
225 W. 37th Ave, Room 113. Hours of operation are Mon – Fri 8am to 5pm.* Have the Lab Analyst sign the COC form & make a copy.

7. Place the signed COC forms (or photocopies) in the spill file.

SAMPLING COLLECTION BEST PRACTICE
• Collect all grab samples approximately 3’ - 6” below the surface (or if shallower, as close as possible to this depth) to avoid sampling debris or scum from the surface. • Collect the sample in a safe manner in the middle of the flow, against the direction of water flow.
•
•
•
Photo-document the spill locations.

Leave approximately one inch of head space in individual sample bottles. Do not overfill.

Once the lid is opened for the individual sample bottle, do not touch the inside surface of the bottle or lid.
•
•
For the sample bottles that contain a preservative, take care to keep the preservation material in the container.

Immediately place all sample bottles on ice.

SAMPLING TIME CONSTRAINTS
Bacteria samples have a 6-hour (chilled) regulatory holding time. Samples will not be analyzed if the holding time has been exceeded. The WWTP Lab and County Lab need about 30 minutes to set up the tests.

Ammonia samples have a 28-day regulatory holding time. Samples must be maintained at < 6oC (on ice or refrigerated) from the time of collection until receipt by the analytical laboratory. *If the WWTP Lab and County Public Health lab is Closed… If the WWTP Lab or County Health Lab will be opening within 5 hours from the time the samples were collected, keep samples in a refrigerator or in the cooler containing the cold packs/ice and immediately deliver samples as soon as either Lab is open for business.

Otherwise, call the County Health Lab’s After Hours Contact List (starting with #1 – Office/Pager/Cell) and arrange to meet a lab analyst. They have agreed to meet us at the lab to receive samples during off-hours.

Spill Sampling Laboratory Contact Information is on the following page. 508 of 891

CITY OF SAN MATEO - SEWER MAINTENANCE
County of San Mateo
Department of Health
Public Health Laboratory

DATE AND TIME RECEIVED INITIALS
225 West 37th Avenue, Room #113
San Mateo, CA 94403
(650) 573-2500
Bruce K. Fujikawa, Dr. P.H., Laboratory Director

ENVIRONMENTAL TEST REQUEST FORM
COLLECTED BY:

SAMPLE ID :

DATE COLLECTED:

TIME COLLECTED:

TEST REQUEST ORDER CHOICE:
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CITY OF SAN MATEO - SEWER MAINTENANCE

MULTIPLE TUBE FERMENTATION TEST
COLILERT-18 TEST (DILUTE 1:10)
ENTEROLERT TEST (DILUTE 1:10)
OTHER
510 of 891
SAMPLE TYPE:

RECREATIONAL WATER
BEACH ON MARINA LAGOON (Name of Beach:
)
SOIL

MARINA LAGOON

BAYSIDE
CREEK (Name of Creek:
)
)
CHANNEL (Name of Channel:
)
MOUTH OF CHANNEL AT LAGOON (Name of Channel:

OTHER
SYSTEM NAME: San Mateo CS SYSTEM ID # :
2SSO10183
SAMPLE SITE/ADDRESS: 1949 Pacific Blvd
San Mateo, CA 94403
SEND REPORT TO (FULL ADDRESS):

ORGANIZATION)

BILL TO (NAME OF
LOCATION: City of San Mateo CS
1949 Pacific Blvd
City of San Mateo CS
330 W. 20th Ave
San Mateo, CA 94403 San Mateo, CA 94403
ATTENTION: Tony Baltadano fax: 650-522-7351
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ELEMENT 6 – OERP
APPENDIX 6.7
Spill Technical Report
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ON LETTERHEAD
Date
State Water Resources Control Board
1001 I Street
Sacramento, CA 95814
Subject: Technical Report for Sanitary Sewer Spill of 50,000 Gallons or More Event ID: XXXXXX
This submittal comprises the Sanitary Sewer Spill Technical Report (“Report”) that is required by State Water Resources Control Board (“SWRCB”) Order No.WQ 2022-0103-DWQ (“Order”). The Order requires each enrollee to submit a Spill Technical Report in the California Integrated Water Quality System (“CIWQS”) online Sanitary Sewer System Database within 45 calendar days of the spill end date for any spill in which 50,000 gallons or greater is discharged to surface waters.

This Report comprises the following sections:

1. Causes and Circumstances of the Spill

2. District’s Response to Spill

3. Water Quality Monitoring

4. Spill Impact Evaluation

1.0 CAUSES AND CIRCUMSTANCES OF THE SPILL
A. Complete and detailed explanation of how and when the spill was discovered:

Photographs illustrating the spill origin, the extent and reach of the spill, drainage conveyance system entrance and exit, receiving water, and post-cleanup site conditions:

Diagram showing the spill failure point, appearance point(s), the spill flow path, and ultimate destinations:

Detailed description of the methodology employed and available data used to calculate the discharge volume and, if applicable, the recovered spill volume:
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State Water Resources Control Board
Date

Page 2 ends

Detailed description of the spill cause(s):

Description of the pipe material and estimated age of the pipe material at the failure location:

Description of the impact of the spill:

Copy of original field crew records used to document the spill are included at the end of this report.

I. The Order requests historical maintenance records for the failure location. The associated pipe segment cleaning and CCTV history is provided in Table 1.

Table 1. Maintenance Results for Pipe Segment XXXXX-XXXX Date Action: Clean or CCTV Summary of Findings

2.0 RESPONSE TO SPILL
A. Chronological narrative description of all actions taken by the District to terminate the spill:
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State Water Resources Control Board
Date

Page 3 ends

B. Explanation of how the Sewer System Management Plan SERP was implemented to respond to and mitigate the spill:

C. Final corrective action(s) completed and a schedule for planned corrective actions, including:
a. Local regulatory enforcement action taken against an illicit discharge in response to this spill, as applicable:
b. Identifiable system modifications, and operation and maintenance program modifications needed to prevent repeated spill occurrences:
c. Necessary modifications to the SERP to incorporate lessons learned in responding to and mitigating the spill.

3.0 WATER QUALITY MONITORING
A. Description of all water quality sampling activities conducted:

B. List of pollutant and parameters monitored, sampled, and analyzed:

C. Laboratory results, including laboratory reports:

D. Detailed location map illustrating all water quality sampling points:
518 of 891
State Water Resources Control Board
Date

Page 4 ends

E. Other regulatory agencies receiving sample results (if applicable):

4.0 SPILL IMPACT EVALUATION
A. Evaluation of spill impact(s), including a description of short-term and long-term impact(s) to beneficial uses of the surface water.
519 of 891
SSMP
ELEMENT 7 – FATS, OILS, AND GREASE
(FOG) CONTROL PLAN
Appendix 7.1.A – Outreach Materials
Appendix 7.1.B – Waste Discharge Permit
(WDP)
Appendix 7.1.C – WDP Standard Terms,
Conditions, and
Requirements
Appendix 7.1.D – BMPs for FSEs
Appendix 7.1.E – Pretreatment System
Maintenance Log
Appendix 7.1.F – WDP Q&As
Appendix 7.1.G – Inspection Form – FSE
Appendix 7.1.H – FOG Hot Spots
(Schedule & Map)
Appendix 7.1.I – List of FSEs and Grease
Removal Device Cleaning
Frequency
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SSMP
ELEMENT 7 – FATS, OILS, AND GREASE
(FOG) CONTROL PROGRAM
APPENDIX 7.1
FOG Supporting Materials
522 of 891
Table of Contents
 Exhibit 7.1A – Outreach Materials (Commercial & Residential)  Exhibit 7.1B – Waste Discharge Permit (WDP)
 Exhibit 7.1C – WDP Standard Terms, Conditions & Requirements  Exhibit 7.1D – Best Management Practices for Food Service Facilities
 Exhibit 7.1E – Pretreatment System Maintenance Log
 Exhibit 7.1F – Waste Discharge Permits Q&A
 Exhibit 7.1G – Inspection Form (Food Service Facility)  Exhibit 7.1H – Preventative Maintenance: Priority Areas (Schedule and Map)
 Exhibit 7.1I – Food Service Facilities, Inspection Frequency and Other Information
523 of 891
EXHIBIT 7.10A
City of San Mateo, Regulatory Compliance
Required Best Management Practices for
Food Service Facilities
Grease Removal Devices and Maintenance / Records
 If you generate grease, you will need a grease removal device (GRD).

A GRD is either a grease trap or a grease interceptor.
 To stop pipes from plugging, keep your GRD in continuous operation and clean. -
- At a minimum, clean the device every six months; or when the combined thickness of the floating fats, oil and grease, and solids layers exceeds 25% of the total depth of the device.  Keep a record of GRD cleanings in a logbook or binder for the Environmental Compliance Inspector to review:
-
-
-
-
Document the date
Who performed the cleaning
How much waste was removed
Where the waste was deposited
 If you hire a contractor to clean the GRD:
- Confirm the work was performed as agreed
- Keep the receipts in a folder as proof of service
Restaurant Operating Practices
 Greasy, dirty, water from cleaning the exhaust FILTERS should be drained into the sink connected to the grease trap or interceptor - or disposed of offsite by your contractor. - Water from cleaning the exhaust HOODS is too dirty and should be disposed of offsite by your contractor.  Waste oil should be collected in a tallow bin and disposed of by a grease-waste hauling company.  To save money on GRD cleaning costs, use dry clean-up methods such as dry wiping with rubber scrapers and paper towels. These practices reduce the solids and grease load to the GRD:

Scrape off excess food from plates and cookware into the trash.

Wipe the excess grease with paper towels and dispose of the towels in the trash.

Wash plates, pots, pans and utensils.
 Keep the ingredients in the bowl, not on the floor! To prevent spills:
-
-
Cover large containers when transporting
Securely store liquid materials away from floor drains
 To prevent solids from clogging pipes, keep strainers or screens over floor drains.

Storm Drain Protection
 It’s against the law to drain any water into a storm drain from washing floor mats or other equipment. Storm drains lead directly to local creeks and the bay, and are for rain water only. Instead, pour dirty water in the mop sink or an area connected to a sanitary drain.
 Don’t throw mop water out the back door! It is illegal to dump mop water to a storm drain.

Put it into a sink or sanitary drain instead.
 Keep it clean! Cover your dumpsters and clean your trash enclosure, tallow bins, or barrels to prevent trash and grease waste from getting washed into the storm drain.  Don’t rinse spills into the storm drain. Use dry clean-up methods (absorbents/kitty litter for oil spills) or a wet-dry vacuum to clean outdoor spills.
524 of 891
City of San Mateo, Regulatory Compliance
Municipal Code Applicable to
Food Service Establishments
Chapter 7.38 Sanitary Sewer Use

7.38.160. Requirements for Food Service Facilities
(a) The owner of every commercial, industrial, or institutional food service facility, shall install or cause to be installed a pretreatment system for grease removal which meets or exceeds minimum sizing requirements of the Uniform Plumbing Code, by no later than January 1, 2001. The Director shall approve final sizing.

7.38.100 Pretreatment of Industrial Waste
(c) Food service facilities shall have a pretreatment system for grease removal designed to serve all drains that may discharge grease into the sewer, including floor drains.

7.38.120 Specific Discharge Prohibitions
(h) Oil and grease shall not be discharged into the sewer system if average concentration of floatable oil and grease exceeds 20 mg/L, defined as that which is subject to gravity separation at a temperature of 20 degrees Celsius and at pH 4.5; nor shall the total oil and grease concentration exceed 200 mg/L.

7.38.170 Operation and Maintenance of Pretreatment Systems (a) Pretreatment systems shall be inspected and maintained by the user as needed to ensure continuous efficient operation.
(c) A record of all inspection and maintenance activity shall be kept by the user at the facility showing the date of inspection or maintenance, the activity completed, and the disposition of the removed contents, filters cartridges, or other components.
(d) Failure to operate or maintain the pretreatment system in a way so as to ensure optimum efficiency, or failure to keep records of pretreatment system maintenance shall constitute a violation of this chapter.

7.38.210 Waste Discharge Permit
(a) The Director shall require each significant industrial user to obtain a waste discharge permit. (b) The Director may require other users to obtain waste discharge permits as necessary to carry out the purposes of this chapter.

7.38.390 Best Management Practices
(a) Where best management practices (BMP’s) have been established or adopted by the Director for an activity, operation, or facility which may cause a prohibited discharge to the sanitary sewer or storm drain systems, persons undertaking such activity or operation, or owning or operating such facility shall comply with such requirements as may be specified by the Director in waste discharge permits, compliance directives, printed material, or verbal notice. (Ord. 2006-1 § 1; Ord. 2003-7 § 1) Chapter 7.39 Stormwater Management and Discharge Control

7.39.090 Discharge of Pollutants
(a) Non-stormwater discharges to the City storm drain system are prohibited.

7.39.110 Illicit Discharge
(a) It is prohibited to establish, use, maintain, or continue illicit drainage connections to the City storm drain system, and to commence or continue any illicit discharges to the City storm drain system. This prohibition applies to connections made in the past, regardless of whether made under a permit or whether permissible under the law or practices applicable or prevailing at the time of the connection.

7.39.120 Reduction of Pollutants in Stormwater
Any person engaged in activities, which will or may result in pollutants entering the City storm drain system shall undertake all practicable measures to reduce such pollutants. 525 of 891

BEST MANAGEMENT PRACTICES FOR

FOOD SERVICE FACILITIES
Information for Restaurants | Cafeterias | Grocery Stores | Food Handling Facilities Storm drains flow directly into creeks, San Francisco GENERAL BEST MANAGEMENT PRACTICES Bay and the Pacific Ocean without any treatment. Nonstormwater and other wastes that flow into a storm drain cause pollution. Food handling facilities can cease stormwater pollution through proper cleanup practices that ensure food particles, oil and grease, litter, wash water and cleaning products flow to interior sewer connections, which ensures the water is treated prior to being released.

Keep Dumpster Area Clean
Close dumpster lids.

Routinely inspect dumpster area for cleanliness.
• If dumpsters overfill, consider having more dumpsters, or increasing trash pick-up service.
• Replace leaking or cracked dumpsters.

NEVER RINSE OUTDOOR

AREA WITH HOSE
Only rain water is allowed down the
storm drains, because storm drains
connect directly to local creeks.
• If loose waste is on the ground, then sweep up.

Educate all staff on keeping dumpster areas tidy. With
high rates of employee turnover, or when sharing a
dumpster area, post signs or have routine meetings on
proper BMPs.

Cooking Oil & Grease
Store oil and grease properly in permitted tallow bins; never pour oil or grease in the trash, storm drain, street, sinks or floor drains. It is the responsibility of your business to use appropriate Best Management Practices (BMPs) to keep wind or rain
from carrying pollution into the street.

Keep tallow bins clean & lids sealed.

Have tallow bin collection scheduled to maintain
adequate storage capacity.

Check roofop exhaust fans at least monthly. Place tray
under exhaust fan shrouds to collect oil; empty weekly at a minimum.

Clean up spills right away (See back of this sheet).

Manage Outdoor Areas (Parking Lots, Outdoor Seating,
Staff Break Areas, Outdoor Storage)
Empty trash bins into dumpster regularly.

Sweep frequently in trash-prone places.

If frequent litter issues, consider adding trash cans.

Place ash trays in cigarette-prone areas.

Roofed trash enclosure with doors closed.

Bilingual sign reminds staff to keep area tidy.

Outdoor seating area
is swept frequently, is
covered, and has fencing
to keep debris from Dumpster lid is closed, and there
is no loose trash on ground. blowing into the street.
526 of 891

BEST MANAGEMENT PRACTICES FOR

FOOD SERVICE FACILITIES
Information for Restaurants | Cafeterias | Grocery Stores | Food Handling Facilities Properly cleaning and disposing of wash waters helps prevent pollution.

CLEANING BEST MANAGEMENT PRACTICES STORM DRAINS VS.

SANITARY SEWERS:

Do your employees know
the difference?
Use Dry Cleaning Methods
Sweep up dust, debris, and trash.

Vacuum floor mats. If water is needed, rinse mats in
dishwasher or mop utility sink. Never wash floor mats
outdoors or allow wash water to flow to outdoor areas.

Sweeping is an
example of a dr
cleaning metho l outdoor drains are storm drains.

Pollution that enters storm drains
flows directly to creeks and San
Francisco Bay or the Ocean, not
treated or properly cleaned.

Do not clean equipment outdoors.

When hiring cleaning companies (e.g. for cleaning hood/roof equipment), make sure the company uses dry cleaning methods. If wet methods are used, block off gutters & use a pump/wet-vac, so no water spills off roof. Indoor drains (such as sink, toilet, mop sink, kitchen floor drain)
lead to the sanitary sewer system,
which is connected to a wastewater
treatment plant.

Contain and Manage Spills Promptly
Keep a spill kit near high risk areas (e.g. near
oil tallow bins, loading dock). Kit may include:

Barrier/Sock, Storm Drain Inlet Protection;
Absorbent granules or kitty litter, Towels, Pads;
Dustpan, Broom, Gloves, Trash Bags. Mop sinks go to the sanitary sewer and wastewater
treatment plant.

Contain the spill and protect nearby storm
drains immediately.

Use absorbents/towels to manage spill. Sweep
up and dispose of properly. Never rinse water
down storm
drains. Make sure staff know spill plan and spill kit
location.

LOCAL STORMWATER AGENCIES:

Atherton . . . . . . (650) 752-0555
Belmont. . . . . . . (650) 637-2972
Brisbane . . . . . . (415) 508-2130
Burlingame. . . . (650) 342-3727
Colma . . . . . . . . (650) 757-8888
Daly City . . . . . . (650) 991-8208
East Palo Alto . . (650) 372-3189
Foster City. . . . . . . . . . . .(650) 286-3270
Half Moon Bay . . . . . . . .(650) 726-7177
Hillsborough . . . . . . . . .(650) 375-7444
Menlo Park . . . . . . . . . . .(650) 330-6750
Millbrae . . . . . . . . . . . . . .(650) 259-2392
Pacifica . . . . . . . . . . . . . .(650) 738-3767
Portola Valley . . . . . . . .(650) 851-1700
Redwood City . . . . . . . . (650) 780-7464
San Bruno . . . . . . . . . . . (650) 616-7020
San Carlos . . . . . . . . . . . (650) 802-4212
San Mateo . . . . . . . . . . . (650) 522-7300
San Mateo County . . . . (888) 442-2666
South San Francisco . . (650) 877-8555
Woodside . . . . . . . . . . . . (650) 851-6790
FOR MORE INFORMATION: (650) 599-1406 | www.flowstobay.org/food UPDATED SEPTEMBER 2023 527 of 891
528 of 891
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530 of 891
531 of 891
Prevent Costly Sewer Back-Ups
Information for Apartment Managers
Pouring grease down drains is an important cause of sanitary sewer backups and overflows in San Mateo neighborhoods. The City of San Mateo Public Works Department is working hard to maintain the public sewer through intense cleaning efforts, rehabilitation of old sewer lines and education. We need you to protect and maintain your sewer lateral to help prevent the health threat and environmental damage that overflows can cause.

Follow these tips to keep your lines clear of clogs year-round Clean. Clean sewer lines regularly to prevent problems, or step up the number of cleanings if you’re still experiencing backups. The City strongly recommends cleaning at least annually.

Catch and remove. Train maintenance staff to catch and remove the debris that is dislodged during a cleaning. Be sure any plumbers you contact do the same to assure that you are getting what you pay for. If materials are not removed or simply pushed down the pipe, you are not solving the problem—you are simply paying for it to recur later.

Educate. Remind tenants of the importance of properly disposing kitchen wastes and other materials. Enclosed are some informational pieces that can be distributed to tenants and posted on bulletin boards or trash collection areas. The City can also provide newsletter articles and on-site training upon request. Call us at 650-522-7300 for more information.

Help residents understand how it helps them
It keeps rent low. With too many costly backups, you may have to raise rent. The State of California is also stepping up enforcement of sanitary sewer overflows from the multi-family sector, so preparation is the key.

It protects their property. A sewer backup in a dwelling unit causes significant damage to floors and personal property.

It protects human health and the environment. Overflows contaminate yards, creeks and city streets and expose community residents to health and environmental hazards.

What should residents do?
• Pour grease and oil into a lidded container, and place it in the trash. To help solidify the grease, freeze it or add coffee grounds, kitty litter or other absorbent material. • Use paper towels to wipe excess grease from pans and utensils before washing them. • Never put grease, medications, diapers, paper or other objects down drains or toilets.

For more information, please contact Public Works at 650-522-7300 532 of 891
Please
Help Prevent Sewer Backups
and Overflows
Disposal of grease and solid objects down drains and toilets is a leading cause of sanitary sewer backups. Sewer backups may result in raised rents due to increased maintenance costs, as well as possible penalties for property, health, and environmental damages! Help prevent sewer blockages by taking these steps:

DO NOT PUT GREASE, PAPER TOWELS, DIAPERS,

MEDICATIONS, DISPOSABLE MOPS, OR OTHER
SOLID OBJECTS DOWN SINKS OR TOILETS.

Pour grease into a lidded container and
place it in the trash. To help solidify the
grease, mix the grease with coffee
grounds, kitty litter, paper towels, or other
absorbent materials.

Use paper towels to wipe excess grease
from pans and utensils before washing
them, and dispose the wipes in the trash.

Dispose of diapers, plastics, disposable
mops and wipes, facial tissue and other
solid objects in the trash. Do not flush any
of these down a drain!
Please do not throw away old medications
down the drain or in the trash. Instead,
drop them off at a collection container
located at the San Mateo Police
Department, 200 Franklin Parkway.

City of San Mateo Public Works Department 6/09
533 of 891
EXHIBIT 7.10B

CITY OF SAN MATEO/ ESTERO MUNICIPAL IMPROVEMENT DISTRICT

REGULATORY COMPLIANCE DIVISION
1949 PACIFIC BLVD., SAN MATEO, CA 94403
TELEPHONE 650-522-7300

WASTE DISCHARGE PERMIT

1. Facility Name/Location: 2. User (Permit Holder): 3. Permit ID/Term/Transferability:

ID: (Facility Name)
Effective:

Expires:

NOT TRANSFERABLE

4. Facility Description:

FOOD PREP SERVICES

7. Waste Stream

POT SINK

5. Industrial Activity: 6. User Classification:

9. Minimum Maint. Frequency:
1x EVERY MOHTH

FULL SRV COMM KITCHEN

8. Waste Pretreatment System(s):

GREASE TRAP
N/A

10. Other Pretreatment Requirements:

11. Waste Discharge Sampling Frequency: ..………………………...........…

12. Reporting Frequency:……………………..…………………………………..

PERMIT REQUIREMENTS
A. User (Permit Holder) shall discharge industrial waste streams listed in Item 7 above to the sanitary sewer through the waste pretreatment system(s) specified in Item 8. Bypass or removal of listed waste pretreatment systems is prohibited except as provided in Attachment B Section 8, “Pretreatment System Bypasses”.

B. Do not modify a waste pretreatment system that in any way impairs unit efficiency.

C. Maintain waste pretreatment systems at a frequency not less than manufacturer instructions or at the frequency indicated in Item 9 above, whichever is more frequent. “Maintain” means the change out of filters/cartridges/screening devices if unit contains such devices, and/or removal of contained accumulated wastes, as applicable. This is a preventive schedule and does not preclude User from conducting more frequent maintenance or other preventive measures to prevent discharge of untreated or inadequately treated wastes to sanitary sewer system.

D. Keep records of waste pretreatment systems maintenance, including change-out dates of treatment filters/cartridges/screening devices, as applicable; pumping and/or clean out of accumulated wastes, etc. Records must be kept on site and available for review by City inspectors at all times. “Records” means waste pretreatment system service receipts and waste hauling records. When waste treatment system service is performed by User, record maintenance activity for each system on Attachment D or equivalent.

E. Conform to other pretreatment requirements specified in Item 10. If “N/A”, no other requirements apply at time of permit issuance.

F. Conform to monitoring and reporting requirements specified in Items 11 and 12 above. If “N/A” is indicated, User is not subject to waste sampling and/or reporting requirements at time of permit issuance.

G. Do not discharge to the sewer any hazardous waste, as defined in Section 25117 of the Health and Safety Code, nor any materials that alone or in combination with other wastes may cause an obstruction in the sewer system, inhibit wastewater treatment processes, create corrosive or hazardous conditions in the sewer system, or cause a public nuisance.

H. Notify the City/District at (650) 522-7300 within 24 hours of becoming aware of any of the following: 1) discharge of a hazardous waste; 2) discharge of any abnormally high volume or concentration of waste; 3) pretreatment system bypass; or 4) pretreatment system upset. In addition, notify City/District 30 days in advance of any proposed change in facility operations that may affect the quantity or quality of waste discharged to the sanitary sewer system.

I. Maintain a written procedure for industrial process equipment and work area cleaning that minimizes potential for discharge of toxic process wastes (e.g., solvents, trace metals, etc.) to the sewer system through drains that do not drain through pretreatment systems, and train employees on these procedures annually.

J. Comply with STANDARD TERMS, CONDITIONS, AND REQUIREMENTS (Attachment B).

AUTHORIZATION TO DISCHARGE:

The above named User (Permit Holder) is hereby authorized to discharge wastewater to the public sewer, subject to User’s compliance with City of San Mateo/EMID Sanitary Sewer Use Ordinances and this permit, and payment of applicable fees. City of San Mateo, Regulatory Compliance Manager 534 of 891
EXHIBIT 7.10C

CITY OF SAN MATEO / ESTERO MUNICIPAL IMPROVEMENT DISTRICT

DEPARTMENT OF PUBLIC WORKS, REGULATORY COMPLIANCE DIVISION 1949 PACIFIC BLVD, SAN MATEO, CA 94403
TELEPHONE: (650) 522-7300
WASTE DISCHARGE PERMIT – ATTACHMENT B

STANDARD TERMS, CONDITIONS, AND REQUIREMENTS

1. Construction and Application of Permit. This waste 7. Notification of Spills. User shall immediately notify discharge permit is issued pursuant to the sewer use
ordinances of the City of San Mateo and Estero Municipal Improvement District (City/District). In the event of any apparent conflict between the requirements established in a waste discharge permit and the Federal Pretreatment
Regulations, the more restrictive requirements shall apply. the City/District of any discharge, reasonably judged to constitute a hazard to the public health, environment, city personnel, or wastewater treatment facilities including, but not limited to, accidental discharges, discharges of a nonroutine episodic nature, a non-customary batch discharge, or a slug discharge. A follow-up written report must be submitted within five (5) days of the incident. If deemed necessary, City/District may require User to develop and implement spill prevention and slug discharge control plans.

2. General Prohibited Discharges. User (Permit Holder)
shall not discharge or cause to be discharged, directly or indirectly, to a public sewer or storm drain, any waste in such quantity, that alone, or in combination with other waste substances, may a) endanger the health and safety of the public or City/District staff; b) cause damage to the sewer or storm drain systems; c) cause a public nuisance; d) result in inflating the cost of preventive maintenance, collection, treatment, or disposal; e) cause interference with
wastewater collection, treatment, or disposal; f) result in or may contribute to a violation of the City’s NPDES permit or other regulatory requirement; or g) prevent, hinder, delay, or impede compliance with effluent discharge requirements
established by the regulatory agencies.

8. Pretreatment System Bypasses. A bypass of a waste
pretreatment system is prohibited unless (1) the bypass is unavoidable to prevent loss of life, personal injury, or severe property damage; (2) there is no feasible alternative to the bypass; (3) the City/District is promptly notified of the bypass, (4) if the bypass does not cause a violation of pretreatment standards or requirements; and (5) if it is for essential maintenance to ensure efficient operation of the treatment system. If User knows in advance of the need for a bypass, User shall submit notice to City/District at least 10 days prior to the date of the planned bypass. If an
unanticipated bypass occurs, User must notify City/District within 24 hours from the time User becomes aware of the bypass and shall submit a written report within 5 days.

3. Dilution Prohibited. Do not increase the use of
potable or process water or, in any way attempt to dilute a discharge as a partial or complete substitute for adequate treatment to achieve compliance with the limitations
contained in this permit.

9. Pretreatment System Upset. User shall control
production of all discharges to the extent necessary to maintain compliance with categorical pretreatment
standards upon reduction, loss, or failure of its treatment facilities until the facility is restored or an alternative method of treatment is provided. If an upset occurs, User shall notify City/District within 24 hours from the time User becomes aware of the upset and shall submit a written report within 5 days.

4. Pretreatment System Operation and Maintenance
Requirements. Pretreatment system(s) shall be inspected and maintained per the schedule specified in a waste
discharge permit or as otherwise approved in writing by the City/District. Records shall be kept of all such inspections, maintenance, and repairs.

5. Hazardous Waste Notification. User shall notify 10.

City/District
Inspections and Monitoring. User shall allow a
City/District, the U.S. EPA, and the Regional Water Quality inspector presenting credentials and Control Board, of any substance discharged, which, if
otherwise disposed of, would be a hazardous waste under 40 CFR Part 261, within 24 hours from the time User
becomes aware of the discharge, followed by a written report to City/District within 5 days.
identification to enter the premises upon request and without unreasonable delay for the purpose of inspection and
sampling. Reasonable times for inspection may include
times that are unannounced, and may include any time
during which User activities may result in a process waste discharge to the sewer system.

6. Changed Discharge Notification. User shall notify
City/District at least thirty (30) days before commencement of discharge to (1) report any significant changes to the quantity or quality of waste discharged to the sanitary sewer system; and/or (2) report any discharge of wastes or use of facilities which are not in conformance with the User’s waste discharge permit. User shall report potential for a slug discharge immediately.

11. Records Retention. Records shall be retained by the User for least three (3) years from the date of the report to which the records are applicable, or three (3) years from the date any investigation or enforcement action undertaken by the City, State, or USEPA has concluded, or such other time as may be directed by the City/District.

March 7, 2025 Rev.
535 of 891
Waste Discharge Permit, Attachment B - Standard Terms, Conditions, and Requirements

12. Best Management Practices. In addition to any 19. Appeals. User may have, at its request, a hearing pretreatment system requirements, User shall implement
work practices that help reduce and prevent a prohibited discharge to the sanitary sewer system or waste discharge before the San Mateo City Manager or his/her designee, or the Estero Municipal Improvement District Manager or
designee, as applicable, before the waste discharge permit is revoked, modified, suspended, or made subject to
additional terms and conditions.
to the storm drainage system. Appropriate best
management practices (BMPs) may be specified in a waste discharge permit, compliance directive, printed material, or verbal notice. 20. Noncompliance with Permit. Failure to comply with any of the terms, conditions, or requirements specified in a waste discharge permit shall constitute a violation of the permit. It is the responsibility of the User to make
determinations as to the nature of its operation and waste discharge characteristics and to take such actions as may be required to comply with discharge requirements.

13. Employee Training. User shall take necessary steps
to inform appropriate personnel employed by the User of waste discharge permit requirements. Such personnel shall include workers and supervisors whose duties pertain in any manner to waste discharges specified in the permit. Steps to inform such personnel may include orientation of
appropriate personnel and posting of work stations with signs, or equally effective methods.

21. Enforcement Actions – Administrative. A User found
in noncompliance with a waste discharge permit will first be issued a Notice of Violation (NOV) that describes the
violation and orders compliance by a certain date. Failure to meet the compliance date may subject the User to
administrative citation, inspection fees, and other
enforcement remedies available.

14. Confidential Information. Any information submitted to or collected by the City/District in connection with a waste discharge permit shall be made available to the public
without restriction, unless the User specifically requests, and is able to demonstrate to the satisfaction of the City/District, that the release of such information would divulge
information that would be detrimental to the User’s
competitive position and is not required to be disclosed under the California Public Records Act, or similar law. A user may be prohibited from discharging a substance unless its composition is made known to the City/District.

22. Enforcement Actions – Civil and Criminal Penalties.

A User who has violated, or continues to violate, any
provision of a waste discharge permit, shall be liable for a civil penalty of not more than $10,000 per day plus actual damages incurred by the City or District for as long as the violation continues. A user who intentionally or negligently violates any provision of a waste discharge permit shall, upon conviction, be guilty of a misdemeanor punishable by fine or imprisonment or both.

15. Modification or Revision of Permit. The terms and
conditions of this permit are subject to modification by the City/District at any time as just cause exists. Any permit modification which results in new conditions in the permit shall include a reasonable time schedule for compliance if necessary.

23. Enforcement Remedies Not Exclusive. Remedies
cited in a waste discharge permit are not exclusive.

City/District may take all or any combination of these
remedies against a violator, as well as any other

16. Duration and Transferability of Permit. A waste enforcement remedies which the City/District may have discharge permit shall be issued for a time period not to available. exceed five (5) years from the effective date of the permit.

Permit effective date and expiration date are indicated on permit. If the User wishes to continue to discharge after the permit expiration date, User must submit an application for renewal not less than 30 days prior to permit expiration date.

Permit is issued to a specific user for a specific operation and is not assignable to another user or transferable to any other location.

24. Annual Publication. At least annually, City/District shall provide public notice in the largest local daily
newspaper a list of those significant industrial users that, during the previous 12 months, were found in significant noncompliance, as defined in the Sanitary Sewer
Ordinance(s) of the City/District.

25. Hold Harmless. Liability for damages as a result of

17. Continuation of Expired Permits. An expired permit discharges in violation of the permit is the responsibility of the User causing or responsible for the discharge, and User shall defend, indemnify, and hold harmless the City and/or District in any administrative or judicial enforcement action relating to such discharge.
will continue to be effective and enforceable until the permit is reissued if the User has submitted a complete application for renewal at least 30 days prior to the expiration date of the User’s existing permit, and the failure to reissue the permit prior to the expiration of the previous permit is not due to any act or failure to act on the part of the User. 26. Recovery of Costs Incurred If a User’s discharge results in damage to or otherwise inhibits the wastewater disposal system, User shall be liable for any expense, loss, or damage caused by such discharge. The City/District shall bill the User for the costs incurred for any cleaning, repair, or replacement work caused by the discharge.

18. Fees. Routine charges associated with this permit
may include, but are not limited to; permit annual fee, wastewater sampling fee, inspection fee, and penalties for noncompliance with permit. Basic sewer service charge
applies to discharge of groundwater or other wastes.

27. Severability and Validity. If any provision of this permit or the sanitary sewer use ordinances of the
City/District, or the application thereof to any person or circumstance, is held invalid, the remainder of this permit shall not be affected.

Page 2 of 2 ends

536 of 891
EXHIBIT 7.10D

CITY OF SAN MATEO/ ESTERO MUNICIPAL IMPROVEMENT DISTRICT

REGULATORY COMPLIANCE DIVISION
1949 PACIFIC BLVD, SAN MATEO, CA 94403
TELEPHONE (650) 522-7300

BEST MANAGEMENT PRACTICES FOR FOOD SERVICE FACILITIES
Implement the following work practices as each may apply to your operation to help minimize discharge of FOG wastes to the sanitary sewer system. For more information call the Regulatory Compliance Division at (650) 522-7300.

Drain Screens. Clean drain screens on all
drains in food preparation areas frequently.

Dispose of food solids in trash or food waste
recycling container.

Liquid Food Wastes. Do not dispose
liquid food, milk shake syrups, batters and
gravy, or other oily or fatty wastes down the
drain. Use materials to absorb liquid and
dispose in trash or food waste container.

Dish Cleaning. Scrape or wipe fat, oil,
grease and other food residue from
cookware, utensils, etc., prior to
dishwashing. Dispose food waste in trash or
food recycling container. Use detergents,
not soaps (soaps contain oil)
Food Grinder. Minimize or avoid use of
food grinder, as food solids can contribute to
clogged drain pipes and/or fill grease traps
and interceptors.

Trash and Recycling Containers. Inspect
trash and recycling containers regularly for
leaks and replace leaking containers
promptly.

Used Oils and Grease. Collect all used
cooking oils and grease from pots, pans,
and fryers and dispose in designated
container for recycling. Do not dispose
down drain or in trash. Drain Cleaning Chemicals. Avoid use of emulsifiers or solvents other than typical
dishwashing detergents. Use of drain
cleaning chemicals is not a substitute for the
required physical cleaning of grease traps
and interceptors.

Spill Prevention. Use container with cover
to transfer cooking oils and grease from
kitchen to outdoor storage container. Empty
containers before they are full to avoid spills.

Spill Cleanup. Use absorbents such as cat
litter or paper towels to pick up oil and
grease spills before mopping. Keep spill
cleanup supplies well marked and readily
available.

Mats and Range Hood Filters. Dispose of
oily wastewaters from cleaning operations in
drain connected to grease interceptor; or
use professional service that provides
replacement mats and filters and cleans
mats and filters at off-site location.

Fryers. Use absorbent paper under fryer
baskets. Dispose in trash or with recycled
food waste.

Grease Traps and Drains. Use
professional service to pump and off-haul
grease trap wastes. Alternatively, collect
skimmed oils, grease and food solids and
dispose of properly. Solid Food Wastes. Dispose of food waste in trash or food waste recycling container,
not in sinks. Transfer a manageable weight
to prevent spill. Use heavy duty or double
clear container bags to help minimize
container odors and leaks.

Employee Education. Post “no Grease”
best practices signs in appropriate work
areas
537 of 891
EXHIBIT 7.10E

CITY OF SAN MATEO/ ESTERO MUNICIPAL IMPROVEMENT DISTRICT

DEPARTMENT OF PUBLIC WORKS, REGULATORY COMPLIANCE DIVISION 1949 PACIFIC BLVD, SAN MATEO, CA 94403
TELEPHONE: (650) 522-7300
Name of Business:

Street Address:

Waste Stream:

POT SINK
Waste Pretreatment System:

GREASE TRAP
Minimum Maint. Frequency:
1x EVERY MOHTH

WASTE PRETREATMENT SYSTEM MAINTENANCE LOG
Instructions: Maintain complete records of waste treatment system maintenance using this form or equivalent.

Use separate form for each treatment system if systems are on different maintenance schedule. Briefly describe type of activity completed (e.g. removed floating matter, removed sludge, pumped tank, rotated cartridges, tested pH, etc.). Keep this completed form and all supporting documentation (e.g service receipts, waste manifests) on site and available for inspection at all times.

Date Maintenance Activity Description Initials
I certify that the information recorded above is, to best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information including the possibility of fine and imprisonment for knowing violations.

Signature of Supervising Official Title
538 of 891
EXHIBIT 7.10F

CITY OF SAN MATEO/ ESTERO MUNICIPAL IMPROVEMENT DISTRICT

REGULATORY COMPLIANCE DIVISION
1949 PACIFIC BLVD, SAN MATEO, CA 94403
TELEPHONE 650-522-7300
Waste Discharge Permits for Food Service Facilities
Frequently Asked Questions
Who Needs a Waste Discharge Permit?
What does the permit cover?
Any food store, eating place, or food preparer
that bakes or cooks food on the premises must
apply for a waste discharge permit.

The permit formally conveys the same items that
have been and will be inspected by the
City/District. These include pretreatment system
maintenance procedures and maintenance
records, and proper handling of pretreatment
system waste. The inspector also inspects for
records of cooking grease handling and disposal,
and other practices that affect discharge of FOG
into the sewer system.

Why these facilities?
Food service facilities commonly generate fat,
oil, and grease (FOG) wastes in the cooking
process. Wastewater from kitchen cleaning
operations typically contains FOG wastes. FOG
wastes can build up in the sewer system, and
result in partial or total blockage of the sewer.

Blockage can result in sewer backups and
overflows.

What is a pretreatment system?
An under-counter grease trap and outdoor grease
interceptor are examples of pretreatment
systems. These are devices that are required to
be installed on drain lines that may carry FOG
wastes in the wastewater.

Why a permit?
Federal and state regulations, as well as
municipal preventive maintenance costs, are
prompting an increased level of sewer system
monitoring, maintenance, and recordkeeping.

The City/District has found that while periodic
inspection of commercial kitchens helps identify
and correct problems, the message about
effectively preventing FOG discharge into the
sewer system is often lost over time. A permit
provides the means to formally convey sewer
discharge requirements and the consequences of
failure to comply with the requirements. The
permit also serves as ready reference to these
requirements that can be referred to by facility
management and staff at any time.

How do I know if I need to install or upgrade
a pretreatment system?
At minimum, any kitchen utensil cleaning sink
or wok range must drain through a pretreatment
system. Pretreatment systems must conform to
the Uniform Plumbing Code.

When can I anticipate an inspection?
The business will be inspected annually to assure
compliance with permit requirements. The
municipal code authorizes that inspections be
conducted during normal business hours and
may be unannounced.
539 of 891
Doesn’t the county health department already
inspect for compliance with sewer discharge
requirements?
Are there fees associated with the permit?
The City of San Mateo has an annual
waste discharge permit fee. For Fiscal Year
2024-25, the fee was $778.00. Foster City/
Estero has adopted a similar fee. The fee
recovers a portion of the cost of the
No. The City has primary authority over use of
the sewer system. The county environmental
health inspector does not inspect sewer
pretreatment systems for proper operation and
maintenance. A county inspector will take
action on a sewer issue if they determine that the
public health is threatened.
program. Please submit payment upon
receiving the annual invoice.

How do I apply for the permit?
What are the penalties for noncompliance? The application for a waste discharge permit is enclosed. Please complete and return
A Notice of Violation (NOV) is issued if the
noncompliance has likely not resulted in
impairment to the sewer system, such as a
recordkeeping issue. There is no fee or fine with
the first NOV. An administrative citation may
accompany the NOV for likely discharge of FOG
to the sewer and for repeat violations. Follow-up
inspection fees may also apply. There are other
enforcement remedies available for chronic
violations.
the application within 10 days of your receipt of
the attached letter (or within 30 days if you have
not yet begun discharging wastewater from
your business). You will have an opportunity
to go over any questions or concerns
with the City/District staff.

Who do I talk to for information and
assistance with this program?
Please contact the City of San Mateo Department
of Public Works, Regulatory Compliance
Division, at (650) 522-7300.

Rev 03/25
540 of 891
EXHIBIT 7.10G

FOOD SERVICE FACILITY INSPECTION REPORT

CITY OF SAN MATEO/ESTERO MUNICIPAL IMPROVEMENT DISTRICT Date: Inspection Type:

Facility Name:

New Routine Follow-up Complaint Closed Stormwater
Facility Type: Inspector:

Site Address: City:

Contact Name: Title: Phone:

WASTEWATER DISCHARGE PERMIT
Current WDP on file? Yes No Exempt (explain):

WDP Application Provided? Yes No Application Due Date (if “Yes”):

Description/location of Permitted GRD(s): Maintenance Frequency Reqd:

Clean once every __________
FIXTURES CONNECTED TO GREASE REMOVAL DEVICE: Note “YES”/“NO” if present, “NA” if not present, ”UNK” if connection uncertain Tri-well Sink(s):

Dual-Well Sink(s):

Pre-Wash Sink(s):

Prep Sink(s):

Dishwasher:

Ice Machine:

Floor Drain(s):

Other:

Mop/Janitorial Sink: Number of fixtures discharging to GRD:

PRETREATMENT/GREASE REMOVAL DEVICE OPERATION AND MAINTENANCE: Yes No N/A 1 GRD(s) in service?
2 3
4 Emulsifiers or enzymes used in traps / interceptors for O&G control? GRD(s) inspection/maintenance frequency (verbal):

GRD(s) maintenance records/logsheet available for review? 5 Waste Type
Brown Grease (GRD Waste)
Yellow Grease/Oil (Tallow)
GRD(s) opened for inspection?
Maintenance Performed by: Last Service (date):
5a
5b
6 GREASE REMOVAL DEVICE PHYSICAL INSPECTION
Tee(s) & Riser(s)
Baffle Wall(s)
Lid(s)
Sample Box
Flow Regulator
Present
Present
Present
Present
Present
Missing
Damaged
Damaged
Absent
Submerged
Submerged
Improper Fit
NA (Trap)
Other:

Other:

Absent NA (Interceptor) Other:

Total Depth of Liquid:______ FOG (avg):______ Solids (avg):______ FOG+Solids/Total Depth X 100 = ______ % Accumulation Notes:

OTHER SOURCES DISCHARGING TO THE GREASE REMOVAL DEVICE Yes Yes
No
No
N/A
N/A
7 8
9 Floor Mat Washing
Garbage Disposal/Grinder
Exhaust Hood Filter Cleaning
10 Exhaust Hood Cleaning

BEST MANAGEMENT PRACTICES
11 Are food scraps & grease from cooking and serving equipment scraped into trash for disposal? 12 Is staff aware of proper grease removal device operation and maintenance practices? 13 Are exhaust screens, filters, and hoods routinely maintained? 14 Is Expanded Polystyrene (EPS) used (for service / take-out)?

PRETREATMENT ENFORCEMENT
None (Compliant) Verbal Warning Warning Notice Notice of Violation Citation City Attorney Violation Abated Date:

Notes:

Q:\pw\PWENG\SOURCE\Forms\Food Service Facility Inspection Form + Stormwater (rev. 02MAR23).docx 541 of 891

STORMWATER FACILITY INSPECTION REPORT

CITY OF SAN MATEO/ESTERO MUNICIPAL IMPROVEMENT DISTRICT Date: Reason for Inspection:

Facility Name:

New Routine Response to Complaint
Inspector:

Follow-up
Site Address: Business Type/Activity:

Contact Name: Title: Phone:

STORMWATER PERMIT
Is facility subject to the General Industrial Stormwater Permit? Has the facility filed a Notice of Intent (NOI) for coverage under the General Permit? Is the facility covered under any other program or permits? None WDP Copper Mercury
Yes
Yes
No
No
N/A
N/A
Other:

Pollutants of Concern Used at Facility? None PCBs Other:

FACILITY INSPECTION
Please describe specific activity or pollutant source for the categories below. If a facility does not have the specified area, indicate such with an “NA”. Check for potential or actual discharge to SDI.

Potential
Discharge Discharge
Actual NA Activity Areas
Outdoor Process/Manufacturing Areas:

Outdoor Material Storage Areas:

Outdoor Waste Storage/Disposal:

Outdoor Vehicle/Heavy Equipment Storage/Maintenance Areas:

Outdoor Parking Areas/Access Roads:

Outdoor Wash Areas:

Outdoor Drainage From Inside Areas:

Rooftop Equipment
Other (describe):

SUMMARY OF STORMWATER INSPECTION
Were any of the potential or actual discharges conditionally exempt ? If “Yes” describe:

Yes No
Describe specific problems:

Problem resolution/Corrective action:

BMPs distributed? Yes No Describe:

STORMWATER ENFORCEMENT
None (Compliant) Non-Compliant (Potential) Non-Compliant (Actual) Verbal Warning Warning Notice Notice of Violation Citation City Attorney Violation Abated Date:

Notes:

Q:\pw\PWENG\SOURCE\Forms\Food Service Facility Inspection Form + Stormwater (rev. 02MAR23).docx 542 of 891
EXHIBIT 7.10G (continued)

CITY OF SAN MATEO / ESTERO MUNICIPAL IMPROVEMENT DISTRICT

DEPARTMENT OF PUBLIC WORKS, REGULATORY COMPLIANCE DIVISION 1949 Pacific Blvd, San Mateo, CA 94403 Telephone: (650) 522-7300

INSPECTION NOTICE
Facility Name: ___________________________ Address: __________________________ San Mateo Foster City I acknowledge that the City of San Mateo, Public Works, Regulatory Compliance Division inspected the facility noted above on: _________________________________________.

At the time of inspection, the facility named above was determined to have:

No violations and is compliant with all applicable regulations The following violation(s) and subsequent corrective action(s) required (SMMC/EMID):

7.38.210/8.37.210: Waste Discharge Permit Required

7.38.170/8.37.170: O&M of Pretreatment Device

7.38.432/8.37.432: Private Sewer Lateral
SMMC 7.39.090: Non-Stormwater Discharge Prohibited
SMMC 7.39.120: Reduction of Pollutants in Stormwater
SMMC 7.39.245: Threatened Discharge
Other: __________________________________________________________________________________________________________ (SMMC = San Mateo Municipal Code) (EMID = Estero Municipal Improvement District) Description of Violation(s):

Corrective Action(s) Required:

The following Best Management Practices (BMP) documents were provided during the inspection:

Enforcement Action:

Sanitary Sewer:

Stormwater:

None
None
Verbal Warning
Verbal Warning
Written Warning
Written Warning
Notice of Violation
Notice of Violation
Citation
Citation
You are hereby notified to implement the corrections or actions noted above within ____ day(s) from the date of this notice. (No later than _____________________________).

I acknowledge that by doing business/residing in the City of San Mateo/Estero Municipal Improvement District, this facility/residence is required to implement and adhere to Best Management Practices and to comply with the Municipal Code Sections SMMC 7.38/7.39 and EMID 8.37.

Received by
Print Name:

Signature:

Title:

Inspected by
Inspector:

Phone:

Date:
543 of 891
Exhibit 7.10H
SEWER PREVENTATIVE MAINTENANCE “HOT SPOTS” LIST
Updated – April 24, 2024
MONTHLY SEWER PM’S
Location Linear Feet Common Cond. Reason for PM
Smartcover on MH492-13. Clean until
repairs can be made by engineering.

Smartcover removed due to improved
maintenance. Date unknown
1 2
31st & Hacienda 603 ROOTS
Referred to engineering for reengineering of pipe where dips under utility junction box creating a siphon, &
to replace broken ECR pipe. El Camino Real @ Baywood 263 SOLIDS FOG
Baywood section removed 6-25-2012.
3 4
3170 Casa de Campo
Idaho (1113 College)
661
1132
1169
Needs FOG education.

Pipe taps in below water level
of trunk line. FOG & BAD
GRADE
Continue PM’s until Pipe upgraded
5 under Hwy 101.
6 Indian FOG, SOLIDS
FOG
Keep on a monthly – but twice a year
flail line instead of jet. Refer to Source
Control for FOG control & checks of
grease trap.

Added to PM’s May 2008. Jet main
and 100’ of Lateral into Marina Market.

Cleaning increased from 308 ft to
1,466ft at an unknown date
Peninsula Monthly Jet
NOTE: Flail in Jan & July
2581
7 Norfolk & La Selva 308 FOG
Lines consistently plugged with paper. 8
9 1
st & Delaware 522 PAPER
Continue monthly cleaning until reengineered. 9
th Ave – RR to Palm Ave 1016 GRADE ISSUES
Roots 10 315 Virginia – Monthly Flail
11 Winway Powerrod
338
173
ROOTS
SOLIDS A siphon MH
544 of 891
MONTHLY SEWER PM’S (continued)
Location Linear Feet Common Cond. Reason for PM
2049 Shoreview – drop pipe (needs to
be fixed in order to reach/cut protruding
tap at 2045). Also, nozzle gets stuck at
2001 – 2005.

Repairs completed, remains a monthly
due to low flow
12 Shoreview 853
682

BREAKS/ROOTS
FOG, SLUDGE FOG and sludge issues in area.
13 9
th and Laurel (Bi-Weekly)
14 Peninsula Ave Additional Lines
15 El Parque and Los Prados
TOTAL LF:
735
227
FOG
SOLIDS
10,925
QUARTERLY SEWER PM’S
Location Linear Feet Common Cond. Reason for PM
1 2
25th Avenue & Lula Belle Alley 2150 FOG Restaurants. Needs FOG control.

Bayswater & Idaho Qrtly 3214 HEAVY FOG Flat line – holds solids.

FOG / SOLIDS Refer to Engineering for pipe
replacement & size upgrade. 3 Bromfield / Fulton Qrtly Flail 1733 4 5
6 Downtown Region 1
Downtown Region 2A
Downtown Region 2B
1979
1406
6605

FOG / SOLIDS

FOG / SOLIDS
Restaurants & Apts
Restaurants & Apts
Restaurants & Apts
7 Downtown Region 3A
Downtown Region 3B
Downtown Region 4A
3165
2738
5183

FOG / SOLIDS

FOG / SOLIDS
Restaurants & Apts
8 Restaurants & Apts
9 Restaurants & Apts
545 of 891
QUARTERLY SEWER PM’S (continued)
10 Downtown Region 4B 4791
2097
2830
2718
2097
3080

FOG / SOLIDS

FOG / SOLIDS
FOG
Restaurants & Apts
11 Downtown Region 4C Restaurants & Apts
12 Ellsworth / Baldwin (DT 6)
13 El Camino Real – Seville to 16th
Restaurants & Apts
Referred to Engineering for repair of sag.
14 El Camino Real 21st to 25th FOG Restaurants & Apts.
15 El Camino Real 25th Restaurants & Apts. to 31st FOG
16 31st Ave – El Camino to Edison 1449 FOG Mall foodcourt grease. FOG Control.

Continue PM’s & identify root control
tactics. 17 42nd Ave & Dumont 709
173
FOG
18 Winway Jet & Vacuum MH A siphon MH SOLIDS
19 1750 El Camino Real
20 El Camino & El Cerrito
21 Palm Ave siphons
22 Mariners Island 6
1085
194
166
316
FOG
FOG
backups from heavy FOG
Flat line – holds FOG.

Siphon manholes – fill up with rags, RAGS etc.

SOLIDS
Ongoing solids issues in area
Solids issues in area
23 111 E Santa Inez 228 SOLIDS
SOLIDS Solids issues in area
24 McLellan & Curtiss 1803
Solids issues in area
Heavy FOG
25 177 N El Camino Real
26 145 Sylvan
229
835
SOLIDS
FOG
Solids issues in area
27 Crystal Springs Road 1145 SOLIDS
546 of 891
Solids issues in area
Solids issues in area
28 37th and ECR 472 SOLIDS
QUARTERLY SEWER PM’S (continued)
29 6 Fairoaks 523 SOLIDS
FOG, roots issues in
30 S Norfolk and Budd Ct areaCamilleri, SUPV
31 Borden
1120
372

FOG, ROOTS
Solids, FOG, rags issues in area
Camilleri, SUPV

SOLIDS, FOG
RAGS
Roots / root buildup problem in
area from Pacific to Curtiss.
32 Poinsettia 828 ROOTS
FOG issues in area
33 Hamlet / Roberta / Norfolk 1085 FOG
34 237 Irving 337
35 Fairfax & Amhurst 148
36 1900 Alameda 596
Added 2-15-22 Per Tony B. Multiple
plugs. 37 824 Highland Ave 491
Needs FOG education & grease
interceptor. Changed to quarterly
4/24/24 per Eric M.
38 East Hillsdale Qtly 1288 FOG
Mariners Island 2 PS to Bridgepointe
Circle
Pumpstation Rehab Complete
Pumpstation rehabilitation project
complete – repair of pipe sag unknown.

Changed to Qtly per Eric M. 4/24/24.
39 1210 SAG
Roots Added 2023 per Eric M. 40 Kingridge Qtly 983
TOTAL LF: 63,561
547 of 891
BI-ANNUAL SEWER PM’S (June, December)
Location Linear Feet Common Cond. Reason for PM
Alder Easement 1
2 617
439
Issue?
Barneson & El Camino Real
509 Castilian Powerrod
ROOTS
ROOTS
Changed back to Jet from PR
Refer to engineering to repair break
and offset joint. CCTV’d to confirm
repairs were completed, removed
4/2024 per Eric M.
0 3
4 El Camino Real – Hillsdale to 38th 3073 FOG
El Camino Real – 38th to 41st
Edison & Bayview
5 6
1347
0 FOG
Removed per Eric M. 4/24/24. ROOTS Multiple repairs performed to fix.

Hydrosaw to clear line. No longer
Hydrosaw/Jet only per Eric M. 4/24/24 Holland / Norfolk / Hosmer Hydrosaw 7 0 FOG Holland / Norfolk / Hosmer Jet
1865 Kehoe
8 9
1327
309
FOG

FOG & SOLIDS
10 Murphy Easement 1752
2103

ROOTS /BREAKS
ROOTS
Refer to Engineering for pipe
replacement & upsize – replace
possibly past Crescent to where
upper Poplar pipe was replaced.

Poplar – Crescent to El Camino 11
Sunnybrae School
12 Clean during Summer and Easter
Break (July & March/April)
19 Wildwood
938
342
DEBRIS
13 ROOTS
548 of 891
BI-ANNUAL SEWER PM’S (June, December) (continued)
Location Linear Feet Common Cond. Reason for PM
258 East 40th Ave House 258 Backs Up if line not
cleared regularly b/c of sags. 14
15 248 SAGS
Solids issues in area per sewer crew
feedback. CCTV’d to confirm pipe
integrity, removed 4/2024 per Eric M.
139 Arbor 0 SOLIDS
Gramercy at El Cerrito (formerly 80 El
16 Cerrito Quarterly) Sag in pipe. Clean until can be
repaired.
157
17 Elm Street 941 FOG Area notorious for FOG.

Det (from apts) & Roots (by Elks)
below City Hall back up line – can
overflow in City Hall.
18 20TH Avenue 2950 DET & ROOTS
FOG problems in area. Removed
4/24/24 per Eric M. due to PS
rehab work
Woodbridge
JAN/JULY 19
20 0 FOG
Poplar Creek
GC 433
370
SOLIDS
FOG
Frequent plugs in area.
21 Grant – 4th to 3rd Past SSOs and frequent FOG.
22 Yew St
23 105 Ontario
2069
449 FOG/SOLIDS Added 2022 per Eric M.

TOTAL LF: 19,864
TOTAL LINEAR FEET IN HOT-SPOT PROGRAM = 94,350
549 of 891
EXHIBIT 7.10H
City of San Mateo
SSMP Element 7. FOG PROGRAM
FOG Preventative Maintenance Target Areas

SEWER MAINLINES
²

IMPACTED BY FOG

SEWER MAINLINES
March 2025
Q:\pw\Field Maintenance\SEWER\SSMP\2025 SSMP Update\FOGImpactAreas_2025.mxd 550 of 891
City of San Mateo
Sewer System Management Plan
Appendix 7.10.I
FSE Inspection Schedule and Other Information
* Priority for inspection: L = low priority; H = high priority. High priority designation of a facility means that SIUs will be inspected annually, and all other high priority facilities are inspected no less than once every 2 years as staffing levels and workloads allow. Low priority designation of a facility means that the goal is for inspections to be conducted once every 2-3 years, but no less than once every permit cycle (5 years) as staffing levels and workloads allow. **Note: Some facilities have more than 1 grease removal device. Most facilities with multiple grease removal devices have the same cleaning frequency requirement for all devices ***Note: TBD indicates that an inspection has not yet taken place, and this information has not yet been recorded. N/A for "tallow" columns indicates the facility does not have a fryer/use cooking oil Restaurant Name *Priority for Inspection **Grease Removal Device Cleaning Frequency Tallow bin frequency Tallow Company 808 ZONE L
L
H
L
L
L
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
L
L
L
L
H
H
L
L
L
L
L
L
L
H
L
L
H
L
H
L
L
L
1x EVERY YEAR N/A N/A
99 RANCH MARKET 1x EVERY 3 MONTHS
1x EVERY 2 MONTHS
1x EVERY 4 MONTHS
1x EVERY 3 MONTHS
1x EVERY 2 MONTHS
1x EVERY 3 DAYS
As needed (when full) INTERSTATE

AKISU SUSHI BAR AND GRILL

AL CARBON

TBD TBD

TBD SEQUENTIAL
ALL SPICE As needed (when full) SEQUENTIAL

AMERICANO DELI AND GRILL

AMERICA'S HOUSE
" SEQUENTIAL
" DARLING INT'L

AMICI'S EAST COAST PIZZERIA

AMIGOS GRILL
2x EVERY MONTH " SEQUENTIAL
1x EVERY 2 WEEKS " KB GREASE
ANDERSEN BAKERY & CAFÉ

ANTOINES COOKIE SHOP

APPLE FRITTER
1x EVERY 3 MONTHS
1x EVERY 3 MONTHS
1x EVERY 2 DAYS

N/A N/A

N/A N/A
As needed (when full) DARLING

ARMADILLO WILLY'S BARBECUE

ATRIA HILLSDALE
1x EVERY MONTH " DARLING
1x EVERY MONTH " DARLING

AVENIDA RESTAURANT

AY CARAY TAQUERIA

AYALA PRODUCE MARKET

B STREET & VINE
1x EVERY 2 WEEKS " BAY AREA RESTAURANT SERVICES
1x EVERY MONTH N/A N/A
1x EVERY 3 MONTHS
1x EVERY WEEK

N/A N/A

TBD TBD

BAGEL BOX & COFFEE

BAMBU SAN MATEO

BARFIA USA, LLC
1x EVERY 6 MONTHS
1x EVERY 4 MONTHS
1x EVERY 6 MONTHS
1x EVERY WEEK

N/A N/A

BAY AREA CORPORATE CATERING TBD TBD

BAY WATCH RESTAURANTTAURANT

BEACH HUT DELI SAN MATEO

BEACH PARK PLAZA
1x EVERY 2 MONTHS
1x EVERY 6 MONTHS
1x EVERY 3 WEEKS
As needed (when full) DARPRO

N/A N/A

BEARD PAPA'S SWEETS

BEL MATEO BOWL
1x EVERY 3 MONTHS
1x EVERY 3 MONTHS
1x EVERY 6 WEEKS

N/A N/A

TBD TBD
BELLINI BISTRO As needed (when full) UNIVERSAL RESTAURANT SVCS

UNIVERSAL RESTAURANT SVCS

DARLING
BIZZA 1x EVERY TWO WEEKS
1x EVERY 3 MONTHS
1x EVERY 6 WEEKS
"
BJ'S RESTAURANT #443

BLUE BOTTLE COFFEE

BLUE WHALE
"

N/A N/A
1x EVERY 6 WEEKS N/A N/A
1x EVERY 2 MONTHS
1x EVERY 3 MONTHS
1x EVERY WEEK
As needed (when full) HANDLED BY MALL

SEQUENTIAL
N/A
BONCHON "

BROOKSIDE SKILLED NURSING
BURGER KING #3323
BUSINESS PARK CAFÉ
CAFÉ 2K
N/A
1x EVERY 3 MONTHS
1x EVERY 3 MONTHS
1 X EVERY QUARTER
1x EVERY 6 MONTHS
1x EVERY 3 MONTHS
1x EVERY MONTH
As needed (when full) ONE MORE TIME INC
" DARLING

N/A N/A
CAFÉ SAVINI " PIONEER TRANSPORT

CALIFORNIA CATERING (ELKS LODGE) DARLING

CALIFORNIA CUISINE

CALIFORNIA PIZZA KITCHEN

CARL'S JR RESTAURANT
CELIA'S #2 MEXICAN RESTAURANT

CELIA'S MEXICAN RESTAURANT
As needed (when full)

TBD TBD
1x EVERY MONTH As needed (when full) SEQUENTIAL

ONE MORE TIME INC

INTERSTATE
1x EVERY 3 MONTHS
1x EVERY MONTH
"
"
1x EVERY 2 WEEKS " DARLING INTL
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City of San Mateo
Sewer System Management Plan
Appendix 7.10.I
FSE Inspection Schedule and Other Information
CENTRAL MARKET L 1x EVERY 6 MONTHS " PIONEER

CENTRAL PARK BISTRO
CENTURY 12
L 1x EVERY 2 MONTHS
1x EVERY 3 MONTHS
1x EVERY 3 MONTHS
1x EVERY MONTH
1x EVERY 2 MONTHS
1x EVERY 3 MONTHS
1x EVERY MONTH
1x EVERY 2 WEEKS
1x EVERY 3 MONTHS
2x EVERY MONTH
1x EVERY 2 MONTHS
1x EVERY 2 YEARS
1X EVERY 3 MONTHS
1 X EVERY 3 MONTHS
2x PER YEAR
" SEQUENTIAL

L N/A NA

CHABAD NORTH PENINSULA

CHARLIE'S TAQUERIA

L N/A N/A
L As needed (when full) SEQUENTIAL

CHARM THAI EATERY H
H
L
" UNIVERSAL RESTAURANT SERVICE INC.

CHAVEZ SUPERMARKET #10

CHEESECAKE FACTORY, THE

CHEF ZHAO BISTRO
" AMERIGUARD MAINTENANCE SERVICES

LIQUID ENVIRONMENTAL

BAY AREA RESTAURANT SERVICES

PIONEER LIQUID

DARPRO SOLUTIONS

GREASE TRAP CLEANERS LLC
N/A
"
H
L
"

CHESS CORNER RETAIL CENTER

CHEUNG HING BBQ RESTAURANT

CHEZ XUE
"
L "
L "

CHILD NUTRITION SERVICES
CHIPOTLE MEXICAN GRILL #1517
CHIPOTLE MEXICAN GRILL #2028

CHUAN CHIM THAI CUISINE

CINEPOLIS LUXURY CINEMAS

CLAY OVEN CUISINE OF INDIA

COBANI GYRO & KEBAB

COOKIEZ BY SARA
L N/A
L As needed (when full) ALL VALLEY ENV.

ALL VALLEY ENV.

A-1 SEPTIC TANK

INTERSTATE
L "
L "
L 1 X EVERY 3 MONTHS
1x EVERY MONTH
2x EVERY WEEK
"
H
L
" DARLING
" BAY AREA RESTAURANT SERVICES
L 1x EVERY 2 WEEKS N/A
1x EVERY 3 MONTHS
1x EVERY MONTH
1x EVERY MONTH
1X EVERY 2 MONTHS
1x EVERY MONTH
1x EVERY MONTH
TBD
N/A
COSTCO WHOLESALE # 147

COURTYARD BY MARRIOTT FOSTER CITY

CROWNE PLAZA HOTEL

CRUMBL - FOSTER CITY

CUBAN KITCHEN
L As needed (when full) DAR PRO
L " AMERIGAURD/DARO PRO

H DARLING
L
"

TBD TBD
L As needed (when full) SEQUENTIAL

CURRY UP NOW/MORTAR AND PESTLE

DAEHO KALBIJJIM & BEEF SOUP

DAIKI SUSHI
H
L
" SEQUENTIAL
TBD*** TBD
L 2x EVERY MONTH
1x EVERY TWO MONTHS
1x EVERY 2 MONTHS
1x EVERY MONTH
1x EVERY 2 WEEKS
1X EVERY 2 MONTHS
1x EVERY 4 MONTHS
1x EVERY MONTH
1x EVERY WEEK
As needed (when full) SEQUENTIAL

DASH JAPANESE TAPAS & OMAKASE
DENNY'S RESTAURANT #8538

DESSERT REPUBLIC
H
L
" GOLDEN VALLEY PUMPING

ONE MORE TIME INC

BAY AREA RESTAURANT SERVICES

GOLDEN VALLEY PUMPING
N/A
"
L "
DONUT DELITE L "

DOUGH ZONE DUMPLING HOUSE

DRAEGERS SUPERMARKET

DULZURA
L N/A
L As needed (when full) DARLING
L " DARLING

DUMPLING KITCHEN L TBD TBD
EJC CHESS DRIVE (2011-2019 CHESS DR)

EL PALENQUE TAQUERIA

EL RINCONCITO CATRACHO

EL SINALOENSE RESTAURANT

ESPETUS CHURRASCARIA

ETERNA PRIMAVERA
L 1x EVERY 3 MONTHS
1x-2x EVERY MONTH
1x EVERY MONTH
1x EVERY WEEK
As needed (when full) SEQUENTIAL

L N/A N/A

L TBD TBD
L As needed (when full) DARLING
H
H
L
1x EVERY MONTH
1x EVERY 2 MONTHS
2x PER YEAR

N/A N/A
As needed (when full) UNIVERSAL
FALAFEL TAZAH " SEQUENTIAL
FEN CUISINE 650 LLC. L 1x EVERY 2 MONTHS
1x EVERY WEEK
" SEQUENTIAL

FERNANDO'S RESTAURANT

FIELDWORK BREWING

FIERO CAFFE
H
L
" SEQUENTIAL
1 X EVERY 3-6 MONTHS
1 x EVERY 2 MONTHS
1x EVERY MONTH
1 x EVERY MONTH
1X EVERY 3 MONTYHS
1x EVERY 2 MONTHS

N/A N/A
L As needed (when full) GRAINERS

FIESTA LATINA MARKET

FIRE WINGS
H
L
"
"
"
"

SEQUENTIAL

RESTAURANT TECHNOLOGIES

STATE OIL COMPANY

DARLING

FISH WITH YOU L

FIVE GUYS BURGERS & FRIES L
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City of San Mateo
Sewer System Management Plan
Appendix 7.10.I
FSE Inspection Schedule and Other Information

FLETCH'S TAQUERIA
FLORES
L 1x EVERY MONTH " INTERSTATE
H
L
1x EVERY MONTH
1x EVERY 1-3 MONTHS
2x EVERY MONTH
1x EVERY 3 MONTHS
1x EVERY 2 WEEKS
1x EVERY MONTH
1x EVERY MONTH
2x PER YEAR
" SEQUENTIAL
FOREIGNER " SEQUENTIAL

FORTUNE STAR RESTAURANT

FRANKLIN TEMPLETON

FUJI SUKIYAKI
L " SEQUENTIAL
L " DAR PRO
L " H.P. OIL

FURAGU SUSHI H
L
" SEQUENTIAL
GAO VIET KITCHEN " SSF LOCATION

GOBI MONGOLIAN GRILL

GOLDEN BELL DONUTS

GOLDEN WOK BISTRO

GUADALAJARA GRILL

GYU KAKU-SAN MATEO
HAAGEN-DAZ SHOP 1299

HAMPTON INN & SUITES SAN MATEO

HAPPY LAMB HOT POT

HAPPY LEMON
L " TRINITY LIQUID WASTE SERVICES
L 2x EVERY YEAR N/A N/A
H
L
1x EVERY MONTH
1x EVERY WEEK
As needed (when full) DARLING
" SEQUENTIAL
L 1x EVERY 3 MONTHS
1x EVERY 2 MONTHS
1x EVERY YEAR
" SEQUENTIAL/ENCORE OILS

L N/A N/A

L TBD TBD
L 1x EVERY 2 WEEKS
2x PER YEAR
As needed (when full) UNIVERSAL RESTAURANT SERVICE

L N/A N/A
HEIDI'S PIES L 1x EVERY WEEK As needed (when full) DARLING

HILLSDALE SHOPPING CENTER

HILTON GARDEN INN - SAN MATEO

HIMAWARI TEI
L 1x EVERY 3 MONTHS
1x EVERY MONTH
1x EVERY MONTH
1x EVERY MONTH
1x EVERY 3 MONTHS
1x EVERY WEEK
" SEQUENTIAL
H TBD
L
TBD
As needed (when full) TRAP RECYCLERS

BUILDING PROVIDES

PIONEER

HIRO NORI CRAFT RAMEN

HOLIDAY INN, SAN MATEO

HOT WOK BISTRO
L "
H
L
"
" GOLDEN VALLEY PUMPING
HOT WOK CAFE L 1x EVERY 2 MONTHS PIONEER
1x EVERY MONTH
1x EVERY MONTH
1x EVERY 3 MONTHS
1x EVERY MONTH
4x PER YEAR
"

HOTARU JAPANESE RESTAURANT

HUMMUS MEDITERRANEAN KITCHEN
IHOP RESTAURANT #3063

IKES PLACE
H
L
" SEQUENTIAL

SEQUENTIAL

DAR PRO
"
L "
L " DAR PRO
ILLUMINA L " A-1 SEPTIC

INDIA CASH & CARRY

IZAKAYA GINJI
L 2x PER YEAR " SEQUENTIAL
L 1x EVERY 3 MONTHS INTERSTATE
1x EVERY MONTH
1x EVERY 3 MONTHS
1x EVERY MONTH
1x EVERY 2 MONTHS
1x EVERY 3 MONTHS
1x EVERY 3 MONTHS
1x EVERY MONTH
1x EVERY WEEK
"
IZAKAYA MAI L " DARLING
JACK IN THE BOX #495

JACK'S PRIME BURGERS & SHAKES

JACKS RESTAURANT AND BAR

JEFFREY'S HAMBURGER COURT

JERSEY MIKES SUBS

JETFINITY
L " RESTAURANT TECHNOLOGIES

BAY AREA RESTAURANT SERVICES

LIQUID ENVIRONMENTAL SOLUTIONS

SEQUENTIAL
TBD
L "
L "
H
L
"
TBD

L TBD TBD

JOHNNY'S FIRST TOAST

JOY SUSHI
L As needed (when full) SEQUENTIAL

SEQUENTIAL

BENTLEY BIOFUELS
SELF
H
H
H
L
EVERY 2 MONTHS
1x EVERY MONTH
1x EVERY 2 WEEKS
TBD
"
JOYS RESTAURANT "
JUANITA CHAPINA "

JUN YUE CHINESE RESTAURANT

KARAAGE BURGER
TBD*** TBD
L 1x EVERY 3 MONTHS
1x EVERY MONTH
1x EVERY MONTH
1x EVERY 2 MONTHS
1x EVERY MONTH
1x EVERY MONTH
TBD
As needed (when full) BAY AREA RESTAURANT SERVICE

KRAUSE & NAGY

KB GREASE

KATS VIETNAM HOUSE

KAZ TERIYAKI GRILL

KENTA RAMEN
L "
H
H
L
"
" SEQUENTIAL

KIKI'S COFFEE SHOP KB GREASE

KITCHENTOWN
"
L " PIONEER
KIYOI - FISH WAREHOUSE H TBD*** TBD
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City of San Mateo
Sewer System Management Plan
Appendix 7.10.I
FSE Inspection Schedule and Other Information
KOBE YA L 1x EVERY 2 WEEKS As needed (when full) SEQUENTIAL

SEQUENTIAL

MALL HANDLES

SEQUENTIAL

SEQUENTIAL
TBD
KOKKO L 1x EVERY MONTH
1x EVERY 3 MONTHS
1x EVERY 2 MONTHS
1x EVERY 2 WEEKS
1x EVERY MONTH
1x EVERY MONTH
1x EVERY MONTH
1x EVERY WEEK
"
KURO OBI BY IPPUDO L "
L & L HAWAIIAN BBQ L "
LA FONDA DE SAN MATEO, INC.

LA GUATEMALTECA MINI MARKET

LA HACIENDA MARKET
LA HUERTA MARKET #7

LA LANTERNA RESTAURANT

LA MORENITA MARKET

LA NORTENA TORTILLA FACTORY

LA PINATA MEXICATTESSEN

LAS PALOMAS TAQUERIA

LITTLE CAESAR'S PIZZA

LITTLE HUNAN RESTAURANT

LITTLE SHANGHAI
L "
L TBD
L As needed (when full) DARLING
L " SEQUENTIAL

SEQUENTIAL
N/A
L "
L 1x EVERY MONTH
1x EVERY WEEK
N/A
H
L
As needed (when full) INTERSTATE
1x EVERY 2 WEEKS SELF
1x EVERY MONTH
1x EVERY 3 MONTHS
1x EVERY 2 WEEKS
1x EVERY WEEK
"

L N/A N/A
H
L

N/A N/A
As needed (when full) DARLING
L " SEQUENTIAL

SEQUENTIAL

PROPERTY MNG HANDLES

SEQUENTIAL

BAKER COMMODITIES

DARLING

LIUYISHOU HOTPOT, SAN MATEO

LOBSTER CHEF
H
L
1x EVERY MONTH
1x EVERY 2 MONTHS
1x EVERY 2 WEEKS
1x EVERY WEEK
"
"

LOS MORENO TAQUERIA
LUCETI'S ON 25TH AVE
LUCKY STORES #710
L "
L "
L 1x EVERY 2 MONTHS
1x EVERY MONTH
1x EVERY MONTH
1x EVERY 2 WEEKS
1x EVERY MONTH
2x EVERY MONTH
1x EVERY MONTH
1x EVERY 3 MONTHS
1x EVERY 3 MONTHS
1x EVERY DAY
"

MARIA'S RESTAURANT
MARINA FOOD #1
H
H
H
L
"
" DAR PRO

MARINA PLAZA TRASH ENCLOSURE

MARINER'S POINT GOLF LINKS

MARISCOS Y TAQUERIA IXPALINO SINALOA

MARUYAMA
" PROPERTY MNG HANDLES

SEQUENTIAL

RESTAURANT TECHNOLOGIES

RESTAURANT TECHNOLOGIES
N/A
"
L "
L "
MCDONALD'S #5804 L "

MCDONALDS RESTAURANT

MEET FRESH SAN MATEO

MENDOCINO FARMS SANDWICH MARKET

MI RANCHO MARKET
H
L
"
N/A
L 1x EVERY 3 MONTHS
1x EVERY 2 MONTHS
1x EVERY MONTH
1x EVERY 3 MONTHS
1x EVERY MONTHS
1x EVERY MONTH
1x EVERY MONTH
2x EVERY MONTH
2x EVERY YEAR
" SEQUENTIAL

SEQUENTIAL
N/A
L "

MINAKO ORGANIC-ISH JAPANESE CUISINE

MOD PIZZA
L N/A

L N/A N/A

MOLLIE STONE'S MARKET

MORDISKO BANH MI
H
L
As needed (when full) SACRAMENTO COMPANY

TBD TBD
MR. GREEN BUBBLE L As needed (when full) PROPERTY MNG HANDLES

INTERSTATE

SEQUENTIAL

PIONEER LIQ TRANSP

DARLING
MR. PIZZA MAN L "
MUMU HOT POT L "
MYUNG DONG TOFU CABIN (YU & YOO INC.)

NEAL'S COFFEE SHOP
L 1x EVERY MONTH
1x EVERY WEEK
"
L "
NEIGHBORHOOD MARKET AND CAFÉ

NEW PHO SAIGON
H
L
1x EVERY 2 WEEKS
1x EVERY MONTH
TBD

TBD TBD
As needed (when full)
TBD***

SEQUENTIAL

NEW THAI ELEPHANT L TBD

NEW WING FAT H
L
1x EVERY 2 WEEKS
1x EVERY MONTH
1x EVERY MONTH
1x EVERY WEEK
As needed (when full) SEQUENTIAL
NEW YORK PIZZA LLC " DARLING
NOMA SUSHI L " SEQUENTIAL

SEQUENTIAL
N/A
NOODLE SHOP L "
NORDSTROM MARKETPLACE CAFÉ

NORTH BEACH PIZZA
L 1x EVERY MONTH
1x EVERY MONTH
1x EVERY WEEK
N/A
H
L
As needed (when full)
"

SEQUENTIAL

OCEANIC RESTAURANT SEQUENTIAL
Updated 03/12/2025 Page 4 of 7
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City of San Mateo
Sewer System Management Plan
Appendix 7.10.I
FSE Inspection Schedule and Other Information
OX 9 LANZHOU HANDPULLED NOODLES

PACIFIC CATCH
L 1x EVERY WEEK " UNIVERSAL RESTAURANT SERVICE
L 1x EVERY MONTH
1x EVERY 3 MONTHS
1x EVERY DAY
" RESTAURANT TECHNOLOGIES

PACIFIC DINING (CSM CAFETERIA)

PACIFIC RIM INTERNATIONAL SCHOOL

PALETTE TEA GARDEN

PANADERIA GUATEMALTECA TIKAL

PANCHO VILLA TAQUERIA
PANDA EXPRESS #1923
PANDA EXPRESS #3018

PANTRY RESTAURANT, THE

PAPA JOHN'S PIZZA
L " SEQUENTIAL
H
L

N/A N/A
1x EVERY 3 WEEKS
1x EVERY 4 MONTHS
1x EVERY 2 WEEKS
1x EVERY 3 MONTHS
1x EVERY 3 MONTHS
1x EVERY MONTH
1x EVERY 3 MONTHS
1x EVERY 3 MONTHS
1x EVERY MONTH
1x EVERY 2 MONTHS
1x EVERY MONTH
1x EVERY WEEK
As needed (when full)
TBD

SEQUENTIAL
L TBD
H
L
As needed (when full) GOLDEN GATE ENVIRONMENTAL
" DARLING
L " HANDLED BY MALL
H
L
" INTERSTATE

N/A N/A
PAR3 AT POPLAR CREEK
PATIO COFFEE SHOP #1

PAUL MARTIN'S AMERICAN GRILL

PAUSA BAR & COOKERY

PEKING ALLEY
L As needed (when full)
TBD

DAR PRO
L TBD
L As needed (when full) SRC PUMPING
L " KB GREASE
H
L
" AMERIGUARD MAINTENANCE SERVICES

PENINSULA JEWISH COMMUNITY CENTER

PENINSULA REGENT

PHILZ COFFEE
1x EVERY 9 MONTHS
1x EVERY 3 MONTHS
1x EVERY YEAR

N/A N/A
H
L
As needed (when full)
N/A

DAR PRO
N/A

PHO ELEMENT H
L
1x EVERY 2 MONTHS
1x EVERY WEEK
As needed (when full) CENTRAL GREASE COMPANY
PHO LITTLE SAIGON " SEQUENTIAL

PIAZZA'S FINE FOODS

PINSTRIPES
L 1x EVERY 2 WEEKS
1x EVERY 2 MONTHS
1x EVERY 3 MONTHS
1x EVERY MONTH
1x EVERY 3 MONTHS
1x EVERY MONTH
1x EVERY MONTH
1x EVERY TWO WEEKS
1x EVERY MONTH
1x EVERY 2 WEEKS
1x EVERY 3 MONTHS
1x EVERY WEEK

N/A N/A
L As needed (when full)
N/A

RESTAURANT TECHNOLOGIES

PIZZA MY HEART L N/A

PORTERHOUSE STEAK

POTATO GUYS
L As needed (when full)
TBD

SEQUENTIAL
L TBD
QUICKLY L As needed (when full) PROPERTY MNG HANDLES
RAINBOW PIZZA L " PIONEER
RAMEN DOJO L " DARLING

RAMEN PARLOR H
L
" DARLING

RAVIOLI HOUSE NA N/A

RESIDENCE INN BY MARRIOTT

RICKSHAW CORNER
H
H
L
As needed (when full) SEQUENTIAL
" CA BIO FUELS

RIN-TEI RESTAURANT

RISE WOODFIRE
1x EVERY WEEK " GOLDEN VALLEY PUMPING

GREASE TRAP CLEANERS

EVERGREEN
L 1x EVERY MONTH
1x EVERY MONTH
1x EVERY MONTH
1x EVERY 6 MONTHS
1x EVERY 6 MONTHS
1x EVERY 6 MONTHS
1x EVERY 3 MONTHS
1x EVERY 3 MONTHS
1x EVERY MONTH
1x EVERY MONTH
1x EVERY MONTH
1x EVERY 2 WEEKS
1x EVERY MONTH
1x EVERY MONTH
1x EVERY MONTH
1x EVERY 3 MONTHS
1x EVERY MONTH
"

RITHA INDIAN RESTAURANT

ROAM ARTISAN BURGERS
ROBLOX STATION 1
H
L
"
" BAY AREA RESTAURANT SERVICES
L " SEQUENTIAL
ROBLOX STATION 2 L " SEQUENTIAL
ROBLOX STATION 5 L " SEQUENTIAL

ROMOLO'S CANNOLI

ROUND TABLE PIZZA

ROUND TABLE PIZZA
ROUND TABLE PIZZA #1000
ROUND TABLE PIZZA #880

S EL CAMINO TAQUERIA
SAFEWAY #639
L " KB GREASE
L " SEQUENTIAL
L " SEQUENTIAL
L " SEQUENTIAL
L " SEQUENTIAL

L TBD TBD
L As needed (when full) SACRAMENTO RENDERING COMPANY

SACRAMENTO RENDERING COMPANY

SACRAMENTO RENDERING COMPANY
TBD
SAFEWAY #694 L "
SAFEWAY #970 L "
SAFEWAY #999 H
L
"

SAIGON CITY RESTAURANT TBD
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City of San Mateo
Sewer System Management Plan
Appendix 7.10.I
FSE Inspection Schedule and Other Information

SAJJ MEDITERRANEAN
SAN MATEO CO. EVENT CENTER

SAN MATEO FOOD MALL

SAN MATEO MEDICAL CENTER

SAN MATEO PRIME
L 1x EVERY MONTH As needed (when full)
TBD

GREASE TRAP CLEANERS
L 1x EVERY 6 MONTHS
1x EVERY 6 MONTHS
1x EVERY 6 MONTHS
1x EVERY MONTH
1x EVERY YEAR
TBD
H
L
As needed (when full)
TBD

SEQUENTIAL
TBD
L As needed (when full) KB GREASE

SAN MATEO SENIOR CENTER

SANDWICH MONKEY
L N/A
N/A
N/A
H
L
1x EVERY 6 MONTHS
1x EVERY WEEK
N/A
SANTA RAMEN As needed (when full) DAR PRO
SARKU JAPAN L 1x EVERY 3 MONTHS
1x EVERY 2 WEEKS
1x EVERY 2 WEEKS
1x EVERY MONTH
1x EVERY 2 WEEKS
1x EVERY MONTH
1x EVERY MONTH
1x EVERY YEAR
" HANDLED BY MALL
SEAPOT L " DARPRO
SENIORE'S PIZZA L " DARLING

SERVERS STANDING BY

SHABU WAY
L " GREASE TRAP CLEANERS LLC

L N/A N/A
SHAKE SHACK #1298 L As needed (when full) RESTAURANT TECHNOLOGIES

SHARED TRASH ENCLOSURE

SHARETEA
L " MAHONEY ENVIRONMENTAL
L TBD*** TBD
SHENG KEE BAKERY L 1x 2 MONTH As needed (when full) DARLING

SHIHLIN TAIWAN STREET SNACKS

SHIKI JAPANESE RESTAURANT

SIBBY'S CUPCAKERY
L 1x EVERY MONTH
1x EVERY MONTH
1x EVERY 3 MONTHS
1x EVERY 2 MONTHS
1x EVERY WEEK
" SEQUENTIAL
H
L
" SEQUENTIAL
" SEQUENTIAL

L N/A N/A

SILVER HOUSE RESTAURANT

SILVER LAKE SEAFOOD REST

SIZZLING LUNCH
H
L
As needed (when full) SEQUENTIAL
1x EVERY WEEK " SEQUENTIAL
L 2X PER YEAR " UNIVERSAL

SNACKS ANTOJITOS MEXICANOS

SOLE RISTORANTE ITALIANO

SONY COMPUTER ENTERTAINMENT AMERICA

SOON'S TOFU AND KOREAN BBQ

SOUTHWEST CONCESSIONS (KELLY'S DELI)

SPICY EMPIRE
L 1x EVERY 2 MONTHS
1x EVERY MONTH
1x EVERY 3 MONTHS
1x EVERY 3 MONTHS
1x EVERY 2 WEEKS
1x EVERY MONTH
1x EVERY 2 MONTHS
1x EVERY MONTH
1x EVERY 3 MONTHS
1x EVERY MONTH
2x PER YEAR
" SELF
L " MAHONEY
L " SEQUENTIAL
H
H
L
" SEQUENTIAL
" DARLING
" SEQUENTIAL
STARBIRD L " SEQUENTIAL

STARBUCKS L N/A N/A
STARBUCKS #5336 L N/A N/A
STARBUCKS #5602 L N/A N/A
STARBUCKS #5934 L N/A N/A
STRATFORD, THE L 1x EVERY MONTH
1x EVERY MONTH
1x EVERY 6 MONTHS
1x EVERY 6 MONTHS
1x EVERY 3 MONTHS
1x EVERY 3 MONTHS
1x EVERY 2 MONTHS
1x EVERY 2 WEEKS
1x EVERY 3 MONTHS
1x EVERY MONTH
1x EVERY 1.5 MONTHS
1x EVERY MONTH
1x EVERY 3 MONTHS
1x EVERY 3 MONTHS
1x EVERY MONTH
1x EVERY 2 WEEKS
As needed (when full) DARLING
STREET FOOD CAFÉ (INSHOU)
SUBWAY SANDWICHES #15994
SUBWAY SANDWICHES #46400
SUBWAY SANDWICHES #52556

SUNRISE OF SAN MATEO

SUPER DUPER BURGER

SUPERSTAR DIM SUM AND SEAFOOD RESTAURANT

SURUKI SUPERMARKET

SUSHI SAM'S EDOMATA

SUSHI YOSHIZUMI
L As needed (when full) PIONEER
L N/A
N/A
N/A
N/A
N/A
L N/A
L N/A
L N/A
L As needed (when full) MAHONEY ENVIRONMENTAL
H
L
" GREASE TRAP CLEANERS AND OIL COLLECTORS
" RD RECYCLING
H
H
H
L
" EVERGREEN

N/A N/A

SWEET BASIL THAI HOUSE

SWEET HONEY DESSERT

SWEET MOMENT
As needed (when full) DARLING
"
"
"
"

DAR PRO

L SEQUENTIAL

TABLA INDIAN H
L

SEQUENTIAL
TACO BELL #30746 LIQUID ENVIRONMENTAL SOLUTIONS
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City of San Mateo
Sewer System Management Plan
Appendix 7.10.I
FSE Inspection Schedule and Other Information
TACO BELL #30758 L
L
L
L
L
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
L
H
L
L
H
L
L
L
L
L
L
H
L
H
L
L
H
L
L
H
L
H
L
H
L
L
L
L
1x EVERY 3 MONTHS (Quarterly) " LIQUID ENVIRONMENTAL SOLUTIONS

LIQUID ENVIRONMENTAL SOLUTIONS
DARPRO
TACO BELL #30788 1x EVERY 3 MONTHS (Quarterly)
1x EVERY MONTH
1x EVERY 3 MONTHS
1x EVERY MONTH
1x EVERY WEEK
"

TACOS AL VAPOR NUEVA ITALIA

TACOS EL GRULLENES C AND D

TAI ER SICHUAN CUISINE

TAI WU RESTAURANT

TAISHOKEN
"
" HANDLED BY MALL

ENVIRONMENTAL LOGISTICS

SEQUENTIAL
"
"
1x EVERY MONTH
1x EVERY 6 MONTHS
1x EVERY 4 MONTHS
1x EVERY MONTH
1x EVERY 2 WEEKS
1x EVERY 2 WEEKS
1x PER WEEK
" SEQUENTIAL

TAKAHASHI MARKET

TAKI NORI HANDROLL

TANNOURINE RESTAURANT

TAQUERIA EL NAYARITA

TAQUERIA LA CUMBRE
TAQUERIA LAS PENCAS 2

TAQUERIA LOS PRIMOS
TAQUERIA LOS PRIMOS #2

THE BARREL BISTRO WINE BAR

THE HABIT BURGER GRILL

THE NUEVA SCHOOL

THE REFUGE
" DARLING
" SEQUENTIAL
" SEQUENTIAL
" SEQUENTIAL
" SEQUENTIAL
" DARPRO
1x EVERY WEEK TBD
TBD
TBD
1x EVERY WEEK TBD
1x EVERY MONTH
1x EVERY 3 MONTHS
1x EVERY 1 MONTH
1x EVERY 2 MONTHS
1x EVERY MONTH
1x EVERY MONTH
1x EVERY WEEK
As needed (when full) GOLDEN VALLEY PUMPING

BAKER COMMODITIES

TRINITY LIQUID WASTE SERVICES

BAY POWERWASH

SEQUENTIAL
"
"
"

THONGLOR THAI BISTRO

TIANFU RESTAURANT

TOA YUEN RESTAURANT

TOKIE'S DOWNTOWN

TOMATINA
"
" MAHONEY
" DARLING
1x EVERY MONTH
1x EVERY 3 MONTHS
1x EVERY MONTH
1x EVERY 2 MONTHS
1x MONTH
" PIONEER LIQUID TRANSPORT
" AMERIGUARD
TOTORO RAMEN " SEQUENTIAL

TOWN OF DUMPLING

TRUFFLE BUTTER POKE BAR

UNCLE TETSU CHEESECAKE

URBAN MOMO
" BAY AREA RESTAURANT SERVICES
" SEQUENTIAL
1x EVERY 3 MONTHS
1x EVERY 2 MONTHS
1x EVERY 2 MONTHS
2x EVERY MONTH
1x EVERY MONTH
1x EVERY MONTH
1x EVERY 2 MONTHS
1x EVERY 3 MONTHS
1x EVERY MONTH
1x EVERY 2 MONTHS
1x EVERY 3 MONTHS
1x EVERY MONTH
1x EVERY MONTH
1x EVERY MONTH
1x EVERY MONTH
1x EVERY WEEK
" MALL HANDLES

UNIVERSAL RESTAURANT SERVICES
N/A
"

VELO CITY BITES N/A
VERKADA As needed (when full) GREASE TRAP CLEANERS LLC. 3-D OIL SERVICES

EVERGREEN

VESPUCCI RISTORANTE ITALIANO

VILLAGE HUMMUS
"
"
VINEYARD CAFÉ, THE

VISA INC
" DARLING INT'L
" SEQUENTIAL

WAKURIYA JAPANESE KITCHEN

WAREHOUSE BUFFET, THE

WATERFRONT PIZZA

WETZEL'S PRETZELS

TBD TBD
As needed (when full) VSP WASTEWATER MANAGEMENT
" DARLING
" SEQUENTIAL
WETZEL'S PRETZELS " SEQUENTIAL

WHOLE FOODS MARKET

WILLIAM JAY CATERING INC/SUAVECITO BIRRIA & TACOS
WING STOP #762
" BENTLEY BIOFUELS
" SEQUENTIAL
" SEQUENTIAL

WINGSTOP RESTAURANT

WURSTHALL
1x EVERY 3 MONTHS
1x EVERY MONTH
1x EVERY 3 MONTHS
2x EVERY MONTH
1x EVERY WEEK
" SEQUENTIAL
" SEQUENTIAL
YAYOI " SEQUENTIAL

YUZU SUSHI AND GRILL

ZEN NOODLE BAR
" INTERSTATE

TBD TBD
ZOOX LABS, INC 1x EVERY 3 MONTHS As needed (when full) SEQUENTIAL Updated 03/12/2025 Page 7 of 7
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SSMP
ELEMENT 10 – SSMP PROGRAM
AUDITS
Appendix 10.1 – SSMP Change Log
Appendix 10.2 – SSMP Audit Blank Form
Appendix 10.3 – Recent SSMP Audit
Report
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SSMP
ELEMENT 10 – SSMP Program Audits
APPENDIX 10.1
SSMP Change Log
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City of San Mateo
Public Works Department
Environmental Services Division
APPENDIX 10

SSMP PROGRAM AUDITS
SSMP Change Log
SSMP
Element
Description of Change/Revision
Made
Change
Authorized by Date
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SSMP
ELEMENT 10 – SSMP Program Audits
APPENDIX 10.2
SSMP Audit Blank Form
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City of San Mateo
Sewer System Management Plan
20XX SSMP Triennial Internal Audit
Audit Period: May 2, 20XX to May 2, 20XX
This 20XX SSMP Triennial Internal Audit was prepared for submittal into the online CIWQS Sanitary Sewer System Database per the requirements in section 3.10 of Attachment E1 of State Water Resources Control Board Order WQ 2022-0103-DWQ (“Statewide WDR”). The City’s sewer system operators’ input has been considered in compiling the audit findings below.

This purpose of this audit is as follows:
• Evaluate the implementation and effectiveness of the City’s Sewer System Management Plan in preventing spills;
•
•
Evaluate the City’s compliance with the Statewide WDR;
Identify Sewer System Management Plan deficiencies in addressing ongoing spills and discharges to waters of the State; and
• Identify necessary modifications to the Sewer System Management Plan to correct deficiencies.

This report includes audit findings and recommended corrective actions and a proposed schedule for the City to address the identified deficiencies.

Each of the SSMP Elements and Sub-elements below have been graded using the following sufficiency ranking system. Written descriptions to explain rankings of SC, PC, MC, and/or DNC are added at the bottom of each Element.
•
•
•
•
•
Complies (C) – complies with all WDR objectives
Substantially Complies (SC) – complies mostly with all WDR objectives Partially Complies (PC) – complies with basic WDR objectives Marginal Compliance (MC) – complies minimally with basic objectives of the WDR Does Not Comply (DNC) – does not comply with WDR objectives 566 of 891
City of San Mateo
20XX SSMP Audit

Page 2 ends

Element I – Sewer System Management Plan Goal and Introduction Rating A. Does the Element include a narrative introduction section that discusses (1) regulatory context, (2) SSMP update schedule, (3) sewer system asset overview? a. General description of program, implementation, and updates b. Schedule for SSMP updates and audits
c. Asset overview including location, service area boundary and reference to sewer system maps, population and community served, system size, structures diverting stormwater to the sewer system, data management systems, sewer system ownership and operation responsibilities between the City and private entities for upper and lower sewer laterals, estimated number or percent of residential, commercial, and industrial service connections, and unique service boundary conditions and challenge(s).

B. Are the City’s goals consistent with the following Statewide WDR goals:
a. Properly manage, operate, and maintain all parts of the City’s sanitary sewer system(s);
b. Reduce and prevent spills; and
c. Contain and mitigate spills that do occur.

Discussion:
•
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City of San Mateo
20XX SSMP Audit

Page 3 ends

Element II – Organization Rating
A. Are City LRO and data submitters stated in the SSMP currently identified in CIWQS? Have they been properly designated by the City?
B. Does the SSMP include names, contact information (titles, telephone numbers, email) for management, administrative and maintenance positions responsible for specific Elements of the SSMP?
C.

Are the organizational lines of authority current and up-to-date on the City Organization chart?
Is the chain of communications for spill reporting complete from complaint through final approval of all spill event reporting?
Discussion:
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City of San Mateo
20XX SSMP Audit

Page 4 ends

Element III – Legal Authority Rating
A.

Does the Element include an electronic link to City sewer system use ordinances, service agreements or other legally binding requirements? Have the sewer system use ordinances been changed or modified recently? If so, are the changes identified in the SSMP Change Log?
Does the Element include the following specific legal authorities:
a. Prevent illicit discharges to the sewer system?
b. Procedures for collaboration with storm sewer agencies for access during spill responses?
c. Assure proper design and construction of connections to sewer system assets?
d. Proper access agreements and easement to assure for maintenance, repair s and replacement of sewer laterals owned or operated by the City? e. Easement accessibility agreements for sewer system O&M, as applicable? f. Proper enforcement authorities for violations of sewer program legal requirements?
g. Has the City conducted enforcement activities during the audit period? If so, please list the action.

Discussion:
4 569 of 891
City of San Mateo
20XX SSMP Audit

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Element IV – Operations and Maintenance Program Rating
A. Does the City have an updated sewer system map and procedures for updating and submitting the map? Does the map include gravity line segments and manholes, pumping facilities, pressure pipes and valves, and applicable stormwater conveyance facilities within the sewer system service area boundaries? B.

Is the service area boundary map current? Will it be uploaded to CIWQS prior to 12/31/25?
Does the City have a scheduling system and a data collection system for preventive operation and maintenance activities? The scheduling system must include: Inspection and maintenance activities; higher-frequency inspections and maintenance of known problem areas, including areas with tree root problems; regular visual and closed-circuit television (CCTV) inspections of manholes and sewer pipes.

Does the City’s data include information on system areas/components prone to root-intrusion potentially resulting in system backup and/or failure.

Is in-house and external training provided on a regular basis for sanitary sewer system operations and maintenance staff and contractors? The training must cover:

The requirements of the Statewide WDR; Spill Emergency Response Plan procedures and practice drills; spill volume estimation; and electronic CIWQS reporting procedures data submitters.

F. Does the City maintain an inventory of sewer system equipment, including the identification of critical replacement and spare parts.

Discussion:
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City of San Mateo
20XX SSMP Audit

Page 6 ends

Element V – Design and Performance Provisions Rating
A. Does the City’s design criteria and construction standards and specifications address the construction, installation, repair, rehabilitation, and hydraulic capacity needs for existing and proposed system infrastructure components, including but not limited to pipelines, pump stations, and other system appurtenances? B. Does the City have procedures and standards for inspection and testing of newly constructed, newly installed, repaired, and rehabilitated system pipelines, pumps, and other equipment and appurtenances?
Discussion:
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City of San Mateo
20XX SSMP Audit

Page 7 ends

Element VI – Spill Emergency Response Plan Rating
A. Does the City have a spill emergency response plan that describes procedures to reduce spill volumes and collect information for prevention of future spills? Does the plan include procedures for the following:
a. Address emergency system operations, traffic control and other necessary response activities;
b. Contain a spill and prevent/minimize discharge to waters of the State or any drainage conveyance system;
c. Minimize and remediate public health impacts and adverse impacts on beneficial uses of waters of the State;
d. Remove sewage from the drainage conveyance system;
e. Clean the spill area and drainage conveyance system in a manner that does not inadvertently impact beneficial uses in the receiving waters; f. Implement technologies, practices, equipment, and interagency coordination to expedite spill containment and recovery;
g. Conduct post-spill assessments of spill response activities; h. Annually, review and assess effectiveness of the Spill Emergency Response Plan and update the Plan as needed.

Does the SERP include procedures for notification to primary responders, appropriate local officials, and appropriate regulatory agencies of a spill in a timely manner? Do the SERP procedures comply with the documentation, notification, monitoring and reporting requirements of the Statewide WDR? Note that all spill notification and reporting requirements meet during the audit period. No changes in the SERP or spill procedures were required as a result of post-spill assessments.

Does the SERP include procedures for notification to other potentially affected entities (health agencies, water suppliers, etc.) of spills that potentially affect public health or reach waters of the State?
Does the SERP require appropriate staff and contractors who implement the Spill Emergency to be appropriately trained? D.

Has the City implemented pre-planned coordination and collaboration with storm drain and other utility agencies? Is the coordination documented? Did the City prepare and submit to CIWQS spill event technical reports within the required timeline?
Discussion:
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City of San Mateo
20XX SSMP Audit

Page 8 ends

Element VII – Sewer Pipe Blockage Control Program Rating Does the City’s SSMP include procedures for the evaluation of whether a sewer pipe blockage control program is needed to control fats, oils, grease, rags and debris. The procedures should include:

A. • An implementation plan and schedule for a public education and outreach program that promotes proper disposal of pipe-blocking substances; • A plan and schedule for the disposal of pipe-blocking substances generated within the sanitary sewer system service area.

An identification of sanitary sewer system sections subject to fats, oils, and grease blockages and establishment of a cleaning schedule for each section; and
Implementation of source control measures for all sources of fats, oils, and grease reaching the sanitary sewer system for each section identified above.

Does the City have a comprehensive public outreach and education program including schedule for activities? C.

D. Does the City have a plan and schedule for disposal of pipe blockage substances? Discussion:
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20XX SSMP Audit

Page 9 ends

Element VIII – System Evaluation, Capacity Assurance and Capital Improvements Rating A. Does the City’s SSMP include procedures and activities for:
•
•
•
•
Routine evaluation and assessment of system conditions; Capacity assessment and design criteria;
Prioritization of corrective actions; and
A capital improvement plan.

B. Does the SSMP include procedures and/or discuss completed tools that identify system components with hydraulic deficiency and/or limited capacity, considering:
•
•
Dry-weather peak flow conditions that cause or contributes to spill events; The appropriate design storm(s) or wet weather events that causes or contributes to spill events;
•
•
The capacity of key system components; and
Major sources that contribute to the peak flows associated with sewer spills.

C. Does the SSMP include procedures to:
•
•
•
Evaluate the sanitary sewer system assets utilizing the best practices and technologies available;
Identify and justify the amount (percentage) of its system for its condition to be assessed each year;
Prioritize the condition assessment of system areas that:
o
o
o
Hold a high level of environmental consequences if vulnerable to collapse, failure, blockage, capacity issues, or other system deficiencies;
Are located in or within the vicinity of surface waters, steep terrain, high groundwater elevations, and environmentally sensitive areas;
Are within the vicinity of a receiving water with a bacterial-related impairment on the most current Clean Water Act section 303(d) List;
o
o
Assess the system conditions using visual observations, video surveillance and/or other comparable system inspection methods; Utilize observations/evidence of system conditions that may contribute to exiting of sewage from the system which can reasonably be expected to discharge into a water of the State; o
o
Maintain documents and recordkeeping of system evaluation and condition assessment inspections and activities; and
Identify system assets vulnerable to direct and indirect impacts of climate change, including but not limited to: sea level rise; flooding and/or erosion due to increased storm volumes, frequency, and/or intensity; wildfires; and increased power disruptions.

D. Does the capacity assessment use data from existing system condition assessments, system inspections, system audits, spill history, and other available information? 9 574 of 891
City of San Mateo
20XX SSMP Audit

Page 10 ends

E. Does the analysis consider the capacity of systems with regard to the following:
•
•
•
Flood-prone systems subject to increased infiltration and inflow, under normal local and regional storm condition;
Increased infiltration and inflow due to larger and/or higher-intensity storm events as a result of climate change;
Increases of erosive forces in canyons and streams near underground and aboveground system components due to larger and/or higher-intensity storm events;
•
•
Capacity of major system elements to accommodate dry weather peak flow conditions, and updated design storm and wet weather events; and Necessary redundancy in pumping and storage capacities.

F. Are the capital recommendations prioritized to consider the severity of the consequences of potential spills?
G. Does the capital improvement plan include the following items:
• Project schedules including completion dates for all portions of the capital improvement program;
•
•
Internal and external project funding sources for each project; Joint coordination between operation and maintenance staff, and engineering staff/consultants during planning, design, and construction of capital improvement projects; and
• Interagency coordination with other impacted utility agencies.

Discussion:
10 575 of 891
City of San Mateo
20XX SSMP Audit

Page 11 ends

Element IX – Monitoring, Measurement and Program Modifications Rating A. Does the SSMP include an Adaptive Management section that addresses Plan implementation effectiveness and the steps for necessary Plan improvement, including:
•
•
•
Maintaining relevant information, including audit findings, to establish and prioritize appropriate SSMP activities;
Monitoring the implementation and measuring the effectiveness of each Plan Element;
Assessing the success of the preventive operation and maintenance activities through tracking and reporting of selected performance indicators;
•
•
Updating Plan procedures and activities, as appropriate, based on results of monitoring and performance evaluations; and
Identifying and illustrating spill trends, including spill frequency, locations and estimated volumes.

Has the City identified and illustrated spill trends, including frequencies, locations and estimated volumes, maintenance performance results and other effectiveness indicators?
Have the performance trends resulted in modifications or changes to SSMP elements and are the changes identified in the Change Log? Discussion:
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20XX SSMP Audit

Page 12 ends

Element X – Internal Audit Rating
Does the SSMP include internal audit procedures that are sufficient for the City to A. comply with section 5.4 (Sewer System Management Plan Audits) of the Statewide WDR?
B.

Does the Audit Report include operational personnel participation? Does the Audit describe SSMP effectiveness evaluated for spill impacts and include corrective actions and timelines?
Discussion:

X.A. The current SSMP includes audit requirements and timelines that were established in the prior WDR.

The audit requirements from the Statewide WDR will be incorporated into this element by December 15, 2024. Note that although the section itself has not been updated, this SSMP is being audited in accordance with the timelines established in the Statewide WDR.

Element XI – Communications Rating
Does the SSMP include procedures for the City to communicate with the public for:
•
•
•
Spills and discharges resulting in closures of public areas, or that enter a source of drinking water;
A. The development, implementation, and update of the SSMP, including opportunities for public input to Plan implementation and updates; Coordination with owners/operators of systems that connect into the City’s system, including satellite systems, for system operation, maintenance, and capital improvement-related activities.

Discussion:
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SSMP
ELEMENT 10 – SSMP Program Audits
APPENDIX 10.3
Recent SSMP Audit Report
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City of San Mateo
Sewer System Management Plan
2024 SSMP Triennial Internal Audit
Audit Period: May 2, 2021 to May 2, 2024
This 2024 SSMP Triennial Internal Audit was prepared for submittal into the online CIWQS Sanitary Sewer System Database per the requirements in section 3.10 of Attachment E1 of State Water Resources Control Board Order WQ 2022-0103-DWQ (“Statewide WDR”). The City’s sewer system operators’ input has been considered in compiling the audit findings below.

This report includes audit findings and recommended corrective actions and a proposed schedule for the City to address the identified deficiencies.

Page 2 ends

DNC
B. Are the City’s goals consistent with the following Statewide WDR goals:
a. Properly manage, operate, and maintain all parts of the City’s sanitary sewer system(s); C
b. Reduce and prevent spills; and
c. Contain and mitigate spills that do occur.

Discussion:
• The City’s SSMP begins with (prior WDR) Element 1, Goals. The updated SSMP, to be completed by May 2, 2025, will include a new Element 1 – SSMP Goal and Introduction – that includes all of the information listed in A.a, A.b, and A.c, above. • Completion of this new section is not expressly required to improve the effectiveness of the SSMP in preventing spills, as this section is a summary and introductory section only. 2 581 of 891
City of San Mateo
2024 SSMP Audit

Page 3 ends

Element II – Organization Rating
A. Are City LRO and data submitters stated in the SSMP currently identified in CIWQS? Have they been properly designated by the City? DNC B. Does the SSMP include names, contact information (titles, telephone numbers, email) for management, administrative and maintenance positions responsible for specific Elements of the SSMP?
SC
C.

Are the organizational lines of authority current and up-to-date on the City Organization chart? SC
SC Is the chain of communications for spill reporting complete from complaint through final approval of all spill event reporting?
Discussion:

II.A. The LRO and data submitters are not specifically identified in the SSMP. However, staff has reviewed and confirmed the LRO and data submitters listed in CIWQS.

II.B. The SSMP is missing email addresses. The remaining information (titles, telephone numbers) is included in the SSMP.

II.C, D. The City has reorganized and no longer has an Environmental Services Section. This organization chart and references will be removed from the SSMP.

The items that require updating in II.A, II.B, and II.C, above will be completed by December 15, 2024.

These administrative changes to contact information and organization names will be updated for recordkeeping purposes. The information does not result in any changes to spill response, which continues to be implemented in compliance with the Statewide WDR. 3 582 of 891
City of San Mateo
2024 SSMP Audit

Page 4 ends

Element III – Legal Authority Rating
A.

Does the Element include an electronic link to City sewer system use ordinances, service agreements or other legally binding requirements? C Have the sewer system use ordinances been changed or modified recently? If so, are the changes identified in the SSMP Change Log? C
Does the Element include the following specific legal authorities:
a. Prevent illicit discharges to the sewer system?
b. Procedures for collaboration with storm sewer agencies for access during spill responses?
c. Assure proper design and construction of connections to sewer system assets?
d. Proper access agreements and easement to assure for maintenance, repair s and replacement of sewer laterals owned or operated by the City? SC
e. Easement accessibility agreements for sewer system O&M, as applicable? f. Proper enforcement authorities for violations of sewer program legal requirements?
g. Has the City conducted enforcement activities during the audit period? If so, please list the action.

Discussion:

III.B. There have been no changes to the City’s Ordinances that should be reflected in the SSMP.

III.C. The SSMP includes all legal authorities listed. As related to III.C.b - Collaboration with storm sewer agencies for access during spill responses, the City manages storm sewers. The SSMP will make this clarification that sewer and stormwater functions will coordinate efforts during sewer spills. Note that III.C.d does not apply, as the City does not own or operate any portion of the private sewer lateral. Finally, the City has not conducted enforcement activities during the audit period.

The City will update the SSMP language to clarify III.C.b – Collaboration between the City’s storm sewer functions for access during spill response. The changes will be included in the May 2, 2025 SSMP update. 4 583 of 891
City of San Mateo
2024 SSMP Audit

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Is the service area boundary map current? Will it be uploaded to CIWQS prior to 12/31/25? C
C
Does the City have a scheduling system and a data collection system for preventive operation and maintenance activities? The scheduling system must include: Inspection and maintenance activities; higher-frequency inspections and maintenance of known problem areas, including areas with tree root problems; regular visual and closed-circuit television (CCTV) inspections of manholes and sewer pipes.

Does the City’s data include information on system areas/components prone to root-intrusion potentially resulting in system backup and/or failure. PC C
Is in-house and external training provided on a regular basis for sanitary sewer system operations and maintenance staff and contractors? The training must cover:

The requirements of the Statewide WDR; Spill Emergency Response Plan procedures and practice drills; spill volume estimation; and electronic CIWQS reporting procedures data submitters.

F. Does the City maintain an inventory of sewer system equipment, including the identification of critical replacement and spare parts. C Discussion:

IV.C. During the audit period, the City complied with the established schedules for gravity sewer inspection and maintenance activities. The City did not find deficiencies in or cause to modify the maintenance program during the audit period as a result of post spill assessment evaluations.

IV.D. The City records roots identified through CCTV inspection. However, an analysis of whether these roots are related to system backup or failure has not been completed. This analysis will be completed and documented in the May 2, 2025 SSMP Update. Also see Element 7, Pipe Blockage Control Plan.

The City’s Operations and Maintenance Program is in compliance with the Statewide WDR as discussed above. The program has been effective in helping the City to meet established goals related to cleaning, inspection, operations, and maintenance. Effectiveness of the program is measured by a reduction in sewer spills as discussed in Section 9, Monitoring, Measurement, and Modifications. 5 584 of 891
City of San Mateo
2024 SSMP Audit

Page 6 ends

Element V – Design and Performance Provisions Rating
A. Does the City’s design criteria and construction standards and specifications address the construction, installation, repair, rehabilitation, and hydraulic capacity needs for existing and proposed system infrastructure components, including but not limited to pipelines, pump stations, and other system appurtenances? C
B. Does the City have procedures and standards for inspection and testing of newly constructed, newly installed, repaired, and rehabilitated system pipelines, pumps, and other equipment and appurtenances?
C
Discussion:

V.A. The City has adopted the most current Public Works “Green Book” as its design standard for sewer pipelines. Design criteria for specific pump stations and pressurized pipes are not included in the Green Book and are established on a facility-by-facility basis by the respective design engineer for that project.

Further, hydraulic capacity needs are discussed in Element 8, Capacity Assurance. Pump station and hydraulic capacity needs from Element 8 will be restated in Element V, as needed to meet the requirements of the Statewide WDR. Updates will be completed as part of the May 2, 2025 SSMP Update. 6 585 of 891
City of San Mateo
2024 SSMP Audit

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Element VI – Spill Emergency Response Plan Rating
A. Does the City have a spill emergency response plan that describes procedures to reduce spill volumes and collect information for prevention of future spills? Does the plan include procedures for the following:
a. Address emergency system operations, traffic control and other necessary response activities;
b. Contain a spill and prevent/minimize discharge to waters of the State or any drainage conveyance system;
c. Minimize and remediate public health impacts and adverse impacts on beneficial uses of waters of the State; C
d. Remove sewage from the drainage conveyance system;
e. Clean the spill area and drainage conveyance system in a manner that does not inadvertently impact beneficial uses in the receiving waters; f. Implement technologies, practices, equipment, and interagency coordination to expedite spill containment and recovery;
g. Conduct post-spill assessments of spill response activities; h. Annually, review and assess effectiveness of the Spill Emergency Response Plan and update the Plan as needed.

Does the SERP include procedures for notification to primary responders, appropriate local officials, and appropriate regulatory agencies of a spill in a timely manner? Do the SERP procedures comply with the documentation, notification, monitoring and reporting requirements of the Statewide WDR? C Note that all spill notification and reporting requirements meet during the audit period. No changes in the SERP or spill procedures were required as a result of post-spill assessments.

Does the SERP include procedures for notification to other potentially affected entities (health agencies, water suppliers, etc.) of spills that potentially affect public health or reach waters of the State?
SC
Does the SERP require appropriate staff and contractors who implement the Spill Emergency to be appropriately trained? D.

C
C
C
Has the City implemented pre-planned coordination and collaboration with storm drain and other utility agencies? Is the coordination documented? Did the City prepare and submit to CIWQS spill event technical reports within the required timeline?
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City of San Mateo
2024 SSMP Audit

Page 8 ends

Discussion:

VI.6.C. The City’s water source would not be directly impacted by a sewer spill. Therefore, the SERP does not include special notifications to water agencies, etc. in the event of a spill to waters of the State.

However, City staff will discuss whether other supplemental notifications are required, and will include any updated information in the May 2, 2025 SSMP Update.

VI.6.D. Training is provided to City staff. Contractors are not used during spill response, operations, or maintenance activities. As related to construction contractors, the City includes contract language referencing the Statewide WDR, and holds the contractor responsible for prevention, management, and proper response and reporting of spills.

VI.6.E. The City manages both sewer and stormwater functions, and these staff coordinate during spill response. See Element 3.

The City has reduced the risk of sewage spills by reducing the impact and probability of spills, as documented through the City’s spill record. See Element 9.

The City’s SERP was updated in May 2023 as required by the Statewide WDR. This SERP is effective in maintaining compliance with the spill response and reporting requirements of the Statewide WDR. No deficiencies or necessary modifications have been identified through this audit. 8 587 of 891
City of San Mateo
2024 SSMP Audit

Page 9 ends

A. • An implementation plan and schedule for a public education and outreach program that promotes proper disposal of pipe-blocking substances; DNC • A plan and schedule for the disposal of pipe-blocking substances generated within the sanitary sewer system service area.

Do the City’s procedures include:
• The legal authority to prohibit discharges to the system and identify measures to prevent spills and blockages;
• Requirements to install grease removal devices (such as traps or interceptors), design standards for the removal devices, maintenance requirements, best management practices requirements, recordkeeping and reporting requirements;
•
•
•
Authority to inspect grease producing facilities, enforcement authorities, and whether the Enrollee has sufficient staff to inspect and enforce the fats, oils, and grease ordinance;
B. C
An identification of sanitary sewer system sections subject to fats, oils, and grease blockages and establishment of a cleaning schedule for each section; and
Implementation of source control measures for all sources of fats, oils, and grease reaching the sanitary sewer system for each section identified above.

Does the City have a comprehensive public outreach and education program including schedule for activities? C.

SC
Does the City have a plan and schedule for disposal of pipe blockage substances? C Discussion:

VII.A. The City has an established maintenance procedures to address fats, oils, grease, roots, and debris within the gravity sewer system. However, this section as related to other materials besides fats, oils, and grease is new in the Statewide WDR. As a result, the City has not evaluated whether a formal sewer blockage control program that extends beyond fats, oils, and grease is required. City staff will develop and implement an evaluation process. If a sewer blockage program is required, the program will be documented in the May 2, 2025 SSMP update. If this program is not required, the May 2, 2025 update will explain why such a program is not required.

VII.C. The City has a public outreach and education program for fats, oils, and grease. If a similar program is required for roots and debris, as determined through the evaluation described in VII.A., this program will be added to the May 2, 2025 SSMP Update.
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2024 SSMP Audit

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C
B. Does the SSMP include procedures and/or discuss completed tools that identify system components with hydraulic deficiency and/or limited capacity, considering:
•
•
Dry-weather peak flow conditions that cause or contributes to spill events; The appropriate design storm(s) or wet weather events that causes or contributes to spill events; C
•
•
The capacity of key system components; and
Major sources that contribute to the peak flows associated with sewer spills.

C. Does the SSMP include procedures to:
•
•
•
Evaluate the sanitary sewer system assets utilizing the best practices and technologies available;
Identify and justify the amount (percentage) of its system for its condition to be assessed each year;
Prioritize the condition assessment of system areas that:
o
o
o
Hold a high level of environmental consequences if vulnerable to collapse, failure, blockage, capacity issues, or other system deficiencies;
Are located in or within the vicinity of surface waters, steep terrain, high groundwater elevations, and environmentally sensitive areas;
Are within the vicinity of a receiving water with a bacterial-related impairment on the most current Clean Water Act section 303(d) List;
SC
o
o
Assess the system conditions using visual observations, video surveillance and/or other comparable system inspection methods; Utilize observations/evidence of system conditions that may contribute to exiting of sewage from the system which can reasonably be expected to discharge into a water of the State; o
o
Maintain documents and recordkeeping of system evaluation and condition assessment inspections and activities; and
Identify system assets vulnerable to direct and indirect impacts of climate change, including but not limited to: sea level rise; flooding and/or erosion due to increased storm volumes, frequency, and/or intensity; wildfires; and increased power disruptions.

D. Does the capacity assessment use data from existing system condition assessments, system inspections, system audits, spill history, and other available information? C 10 589 of 891
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E. Does the analysis consider the capacity of systems with regard to the following:
•
•
•
Flood-prone systems subject to increased infiltration and inflow, under normal local and regional storm condition;
Increased infiltration and inflow due to larger and/or higher-intensity storm events as a result of climate change;
Increases of erosive forces in canyons and streams near underground and PC aboveground system components due to larger and/or higher-intensity storm events;
•
•
Capacity of major system elements to accommodate dry weather peak flow conditions, and updated design storm and wet weather events; and Necessary redundancy in pumping and storage capacities.

F. Are the capital recommendations prioritized to consider the severity of the consequences of potential spills? C
C
G. Does the capital improvement plan include the following items:
• Project schedules including completion dates for all portions of the capital improvement program;
•
•
Internal and external project funding sources for each project; Joint coordination between operation and maintenance staff, and engineering staff/consultants during planning, design, and construction of capital improvement projects; and
• Interagency coordination with other impacted utility agencies.

Discussion:

VIII.A. Element 8 covers capacity-related assessments. The condition-related assessment described in the Statewide WDR are currently discussed in Element 4. Relevant sections will be added to or referenced in Element 8 in the May 2, 2025 SSMP Update.

VIII.C and VIII.E. These sections include new requirements of the Statewide WDR. City staff are developing the approach to address all items discussed in Element VIII.C that are not already discussed in the current SSMP. In particular, the May 2, 2025 SSMP update will describe the following topics as they relate to the capacity assessment: Pipes located within the vicinity of surface waters, steep terrain, high groundwater elevations, and environmentally sensitive areas; within the vicinity of a receiving water with a bacterial-related impairment on the most current Clean Water Act section 303(d) List; vulnerable to direct and indirect impacts of climate change, including but not limited to: sea level rise; flooding and/or erosion due to increased storm volumes, frequency, and/or intensity; wildfires; and increased power disruptions. All other topics are included in the current SSMP.

This element describes analyses and capital improvement program components that have been instrumental in reducing the number of sewer spill and improving City’s compliance with the Statewide WDR. The section will be updated to be compliant with the new requirements of the Statewide WDR by the required SSMP update deadline of May 2, 2025.
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Element IX – Monitoring, Measurement and Program Modifications Rating A. Does the SSMP include an Adaptive Management section that addresses Plan implementation effectiveness and the steps for necessary Plan improvement, including:
•
•
•
Maintaining relevant information, including audit findings, to establish and prioritize appropriate SSMP activities;
Monitoring the implementation and measuring the effectiveness of each Plan Element;
SC
Assessing the success of the preventive operation and maintenance activities through tracking and reporting of selected performance indicators;
•
•
Updating Plan procedures and activities, as appropriate, based on results of monitoring and performance evaluations; and
Identifying and illustrating spill trends, including spill frequency, locations and estimated volumes.

Has the City identified and illustrated spill trends, including frequencies, locations and estimated volumes, maintenance performance results and other effectiveness indicators?
C
C
Have the performance trends resulted in modifications or changes to SSMP elements and are the changes identified in the Change Log? Discussion:

IX.A. The current SSMP includes the assessments described, but does not include them in one section, in Element IX, called Adaptive Management. This information will be consolidated into an Adaptive Management section in the May 2, 2025 SSMP Update. Specifically, Element 10 contains audit findings; prior audits stored in Element 10 have reviewed each plan element for its effectiveness and individual elements have been updated over time in response to these findings. Element 9 has tracked selected performance indicators and provided findings related to these indicators, including summarizing and tracking spill frequency, locations, and estimated volumes.

See the attached charts for updated performance indicators findings for the three-year audit period ending May 2, 2024.

The performance indicators confirm the effectiveness of the City’s Sewer System Management Plan in preventing spills in compliance with the Statewide WDR. Based on the information in this audit as confirmed through performance indicators, there are no deficiencies or modifications recommended in the SSMP, other than the administrative updates that are discussed in this audit. 12 591 of 891
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Does the Audit Report include operational personnel participation? C C
Does the Audit describe SSMP effectiveness evaluated for spill impacts and include corrective actions and timelines?
Discussion:

X.A. The current SSMP includes audit requirements and timelines that were established in the prior WDR.

Element XI – Communications Rating
Does the SSMP include procedures for the City to communicate with the public for:
•
•
•
Spills and discharges resulting in closures of public areas, or that enter a source of drinking water;
A. The development, implementation, and update of the SSMP, including SC opportunities for public input to Plan implementation and updates; Coordination with owners/operators of systems that connect into the City’s system, including satellite systems, for system operation, maintenance, and capital improvement-related activities.

Discussion:

XI.A The SSMP discusses the City’s outreach processes and tools for a variety of topics, including spills, community information, and fats, oils, and grease management. The City discusses sewer-related topics, including topics related to SSMP development (up to and including adoption of SSMP updates) at its regularly-scheduled City Council meetings. These meetings are publicly noticed and open to the public.

Although public discussions are held, the SSMP does not include confirmation that the SSMP is discussed at these meetings. Element XI will be updated to include this clarification as part of the May 2, 2025 SSMP Update.
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Recommended Actions and Timelines
Element 1. Add a new narrative introduction section that discusses (1) regulatory context, (2) SSMP update schedule, (3) sewer system asset overview?
May 2, 2025
Element 2. Identify LRO and data submitters by name and position in the SSMP (to be consistent with information in CIWQS). Add email addresses to contact information. Remove Environmental Services Section organization chart.

December 15, 2024
Element 3. Update the SSMP language to clarify that there is collaboration between the City’s storm sewer functions for access during spill response.

May 2, 2025
Element 4. Complete an analysis of whether roots found in the City’s gravity May 2, 2025 sewer pipelines are related to system backups or failures. If there is a correlation, develop a plan to address these specific areas through the O&M program.

Element 5. Pump station and hydraulic capacity needs from Element 8 will be restated in Element V, as needed to meet the requirements of the Statewide WDR.

May 2, 2025
Element 6. No updates are required
Element 7. The City will evaluate whether a program to address materials in additional to fats, oils, and grease is required and include in the updated SSMP or explain why such a program is not required. The City will expand its outreach program to include materials related to disposable wipes.

May 2, 2025
Element 8. The City will add/reference relevant sections from Element 4 related May 2, 2025 to condition-related assessments in Element 8.

The City will discuss the approach to address the following items in the capacity assessment: pipes located within the vicinity of surface waters, steep terrain, high groundwater elevations, and environmentally sensitive areas; within the vicinity of a receiving water with a bacterial-related impairment on the most current Clean Water Act section 303(d) List; vulnerable to direct and indirect impacts of climate change, including but not limited to: sea level rise; flooding and/or erosion due to increased storm volumes, frequency, and/or intensity; wildfires; and increased power disruptions.

Element 9. The City will consolidate a number of discussions in the various SSMP sections into one section titled, “Adaptive Management.” This information will include a combination of Element 9 summarizing and tracking data and Element 10 audit findings.

May 2, 2025
Element 10. Update the discussion of audit schedules to reflect the new 3-year audit requirement of the Statewide WDR.

May 2, 2025
Element 11. Add confirming language stating that the City discusses sewer- May 2, 2025 related topics, including topics related to SSMP development (up to and including adoption of SSMP updates) at its regularly-scheduled City Council meetings. These meetings are publicly noticed and open to the public. 14 593 of 891
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Audit Team:

Prepared By: Vivian Housen, VWHA Date: 10/23/2024
Date: 10/31/2024
Date: 10/31/2024
Date: 11/02/2024
Tony Baltodano, City of San
Reviewed By: Mateo
Tony Baltodano, City of San
Certified By: Mateo
Approved for Filing On
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Table 1. Cleaning Performance Indicators
To
5/3/2024
2023 2022 2021
Dry Weather Spills 2 3 5 22
Miles of Sewer Mainline Cleaned
% of Total
135 310 264 266
~58% 100% 100% 100%
Table 1 shows a decrease in dry weather spills over the audit period, confirming the effectiveness of the City’ operations and maintenance program (Element 4).

Table 2. Number of Spills by Total Volume Spilled
Size of Spill (gallons)
Greater than or equal to 1,000
From 100 to 999
To 5/3/2024 2023 2022 2021
2 5
0 0
7 2
1 3
2 2
12 From 10 to 99 6
Less than 10 (can include in line
above) 0
2 0 0
7 2
Total 10 25
Table 2 shows a decrease in the number of spills in all size categories over the audit period. The only exception to this trend is the number of spills greater than 1,000 gallons in 2023, which were due to wet weather events that have since been resolved through the completion of the City’s Underground Flow Equalization Storage Project (“UFES”) in December 2023. Table 2 confirms the effectiveness of the City’s operations and maintenance program (Element 4) and capacity assurance program (Element 8). 16 595 of 891
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Table 3. Volume of Spills
Spill Destination To 5/3/2024
(gal)
2023
(gal)
2022
(gal)
2021
(gal)
Total volume contained and
returned to sewer system for
treatment
100 80,267 1,240 6,067
Total volume reaching waters of
the United States
7,050 2,130,525 505,425 364,061
Total volume not contained but
not reaching waters of the 0 0 0 832
United States (everything else)
Total 7,150 2,210,792 506,665 370,960
Table 3 shows a substantial decrease in the volume of spills in 2024 as compared to prior years. This change is due to the completion of the City’s UFES project, which has addressed the City’s wet weather spills at 25th and Delaware. Table 3 confirms the effectiveness of the City’s capacity assurance program (Element 8).
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Table 4. Causes of Spills
# to
5/2/2024
# in 2023 # in 2022 # in 2021
Cause of Spill
Blockage:

Roots 1
0 1
2 0
0 0
2 2
1 4
0 1
5 0
2 0
7 8
Grease 9
Debris 0 2
Subtotal for Blockage
Infrastructure Failure
Flow Capacity Deficiency
Bypass
3 19
0 3
6 3
1 0
Total 10 25
Table 4 shows a decrease in the number of spills in all categories over the audit period. The only exception to this trend is the number of spills related to capacity deficiencies, which increased in 2023.

The City’s most significant capacity issues at 25th and Delaware have been addressed through completion of the City’s UFES project. Table 4 confirms the effectiveness of the City’ operations and maintenance program (Element 4) and capacity assurance program (Element 8). 18 597 of 891

CITY OF SAN MATEO

CITY OF SAN MATEO
Agenda Report
City Hall
330 W. 20th Avenue
San Mateo CA 94403
www.cityofsanmateo.org
Agenda Number: 9 Section Name: CONSENT CALENDAR Account Number: 610027 File ID: 25-9842 TO: City Council
FROM: Alex Khojikian, City Manager
PREPARED BY: Parks and Recreation Department
MEETING DATE: Monday, April 21, 2025
SUBJECT:

Construction Management Services for Central Park Playground Improvements Project – Contract RECOMMENDATION:

Award a contract to 4LEAF, Inc. (Consultant) for construction management services for the Central Park Playground Improvements Project (Project) on a time and expense reimbursement basis for actual work performed, in an amount of $1,000,000; authorize a contingency amount of $150,000, for a total amount not to exceed $1,150,000; and authorize the Parks and Recreation Director to execute the contract, in substantially the form presented.

BACKGROUND:

The Parks and Recreation Department does not have sufficient staff resources to inspect and oversee all construction activities, therefore requiring third-party construction management and inspection to augment city resources. On February 25, 2025, a request for proposals was issued for construction management services for the playground improvements project at Central Park.

The scope of work for construction management services includes managing all communication between the City and the contractor during the construction of the playground improvements, ensuring compliance with mitigation requirements of the Final Central Park Initial Study and Mitigated Negative Declaration, providing construction management and inspection services, ensuring that the contractor meets the conditions of the City’s construction permit. Additional duties include but are not limited to coordination for the Caltrans’ encroachment permit, quality control, monitoring the construction schedule, ensuring tree protection and preservation compliance, negotiating change order requests, reviewing contractor’s application for payment, providing inspections reports, close-out services, and other construction support services.

Staff received a total of six (6) proposals from 4LEAF, Inc., Alpha CM, CM Consolidated, Consor PMCM, Inc., MNS Engineers, Inc., and Roebelen Management, Inc. Consultants were evaluated on several key components as part of the proposal process including project understanding, experience with similar projects, the technical ability of key staff, proposed construction management services, and corresponding fee schedule. Five of the six proposals were found to be incomplete because of missing services, resumes or fee schedules. Only 4LEAF, Inc. provided a complete proposal with all requested services and information. Past client references provided by 4LEAF were vetted by staff and received positive referrals.

For the Central Park Playground Improvements Project, staff recommend awarding a contract for construction management services to 4LEAF, Inc. on an hourly rate plus expense reimbursement basis for actual work performed, in an amount of $1,000,000; and establish a 15% contingency of $150,000, for a total amount not to exceed $1,150,000.
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CITY OF SAN MATEO
BUDGET IMPACT:

There are sufficient budget funds to cover the construction management services.

ENVIRONMENTAL DETERMINATION:

An Initial Study and Mitigated Negative Declaration (IS/MND) was prepared for the Central Park Master Plan, which includes the Playground Improvements Project, and approved in 2018. The IS/MND concluded that the project would not have any significant effects with the incorporation of mitigation measures that have been included in the project’s Conditions of Approval to ensure compliance during project implementation. In addition, City Council’s authorization of the requested budget appropriations is not a project subject to CEQA review, because it consists of a government fiscal activity which does not involve any commitment to any specific project which may result in a significant physical impact on the environment. (CEQA Guidelines Section 15378(b)(4).)

NOTICE PROVIDED
All meeting noticing requirements were met.

ATTACHMENTS
Att 1 – Proposed Contract

STAFF CONTACT
King Leong, Sr. Project Manager
[email protected]
(650)752-7542
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AGREEMENT WITH 4LEAF, INC.

FOR PROFESSIONAL CONSULTANT SERVICES FOR

CENTRAL PARK PLAYGROUND IMPROVEMENTS PROJECT
This Agreement, made and entered into this day of_________, by and between the CITY OF SAN MATEO, a municipal corporation existing under the laws of the State of California (“CITY”), and 4LEAF, Inc., a corporation (“CONSULTANT”), whose address is 2126 Rheem Drive, Pleasanton, CA 94588.

RECITALS:

A. CITY desires certain construction management services hereinafter described.

B. CITY desires to engage CONSULTANT to provide these construction management services by reason of its qualifications and experience for performing such services and CONSULTANT has offered to provide the required services on the terms and in the manner set forth herein.

NOW, THEREFORE, IT IS AGREED as follows:

SECTION 1 - SCOPE OF SERVICES
The scope of services to be performed by CONSULTANT under this Agreement is as described in Exhibit A to this Agreement, attached and incorporated by reference.

SECTION 2 - DUTIES OF CONSULTANT
CONSULTANT shall be responsible for the professional quality, technical accuracy and coordination of all work furnished by CONSULTANT under this Agreement. CONSULTANT shall, without additional compensation, correct or revise any errors or deficiencies in its work.

CONSULTANT represents that it is qualified to furnish the services described under this Agreement.

CONSULTANT shall be responsible for employing or engaging all persons necessary to perform the services of CONSULTANT.

CONSULTANT agrees to comply with the City’s minimum wage ordinance as codified in Municipal Code Chapter 5.92, which differs from the state minimum wage and includes a Consumer Price Index escalator.

SECTION 3 - DUTIES OF CITY
CITY shall provide pertinent information regarding its requirements for the project.

CITY shall examine documents submitted by CONSULTANT and shall render decisions pertaining thereto promptly, to avoid unreasonable delay in the progress of CONSULTANT's work.

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SECTION 4 - TERM
The services to be performed under this Agreement shall commence on April 21, 2025 and be completed on December 31, 2026.

SECTION 5 - PAYMENT
Payment shall be made by CITY only for services rendered and upon submission of a payment request upon completion and CITY approval of the work performed. In consideration for the full performance of the services set forth in Exhibit A, CITY agrees to pay CONSULTANT on a hourly rate plus expenses for actual work performed, in an amount not to exceed $1,150,000 pursuant to rates stated in Exhibit B to this Agreement, attached and incorporated by reference.

SECTION 6 - TERMINATION
Without limitation to such rights or remedies as CITY shall otherwise have by law, CITY shall have the right to terminate this Agreement or suspend work on the Project for any reason, upon ten (10) days' written notice to CONSULTANT. CONSULTANT agrees to cease all work under this Agreement upon receipt of said written notice.

Upon termination and upon CITY's payment of the amount required to be paid, documents become the property of CITY, and CONSULTANT shall transfer them to CITY upon request without additional compensation.

SECTION 7 - OWNERSHIP OF DOCUMENTS
All documents prepared by CONSULTANT in the performance of this Agreement, although instruments of professional service, are and shall be the property of CITY, whether the project for which they are made is executed or not.

SECTION 8 - CONFIDENTIALITY
All reports and documents prepared by CONSULTANT in connection with the performance of this Agreement are confidential until released by CITY to the public. CONSULTANT shall not make any such documents or information available to any individual or organization not employed by CONSULTANT or CITY without the written consent of CITY before any such release.

SECTION 9 - INTEREST OF CONSULTANT
CONSULTANT covenants that it presently has no interest, and shall not acquire any interest, direct or indirect, financial or otherwise, which would conflict in any manner or degree with the performance of the services under this Agreement.

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SECTION 10 - CONSULTANT'S STATUS
It is expressly agreed that in the performance of the professional services required under this Agreement, CONSULTANT shall at all times be considered an independent contractor as defined in Labor Code Section 3353, under control of the CITY as to the result of the work but not the means by which the result is accomplished. Nothing herein shall be construed to make CONSULTANT an agent or employee of CITY while providing services under this Agreement.

SECTION 11 - INDEMNITY
CONSULTANT agrees to hold harmless and indemnify CITY, its elected and appointed officials, employees, and agents from and against any and all claims, loss, liability, damage, and expense arising out of CONSULTANT’s performance of this Agreement, except those claims arising out of CITY’s sole negligence or willful misconduct. CONSULTANT agrees to defend City, its elected and appointed officials, employees, and agents against any such claims. The CONSULTANT’S duty to indemnify shall survive expiration or early termination of this Agreement.

SECTION 12 - INSURANCE
CONSULTANT shall procure and maintain for the duration of the contract and three years thereafter (five years for building or major improvements) the insurance specified in Exhibit C to this Agreement.

SECTION 13 - NON-ASSIGNABILITY
Both parties hereto recognize that this Agreement is for the personal services of CONSULTANT and cannot be transferred, assigned, or subcontracted by CONSULTANT without the prior written consent of CITY.

SECTION 14 - RELIANCE UPON PROFESSIONAL

SKILL OF CONSULTANT
It is mutually understood and agreed by and between the parties hereto that CONSULTANT is skilled in the professional calling necessary to perform the work agreed to be done under this Agreement and that CITY relies upon the skill of CONSULTANT to do and perform the work in the most skillful manner, and CONSULTANT agrees to thus perform the work. The acceptance of CONSULTANT's work by CITY does not operate as a release of CONSULTANT from said obligation.

SECTION 15 - WAIVERS
The waiver by either party of any breach or violation of any term, covenant, or condition of this Agreement or of any provisions of any ordinance or law shall not be deemed to be a waiver of such term, covenant, condition, ordinance or law or of any subsequent breach or violation of the same or of any other term, condition, ordinance, or law. The subsequent acceptance by either party of any fee or other money which may become due hereunder shall not be deemed to be a waiver of any preceding breach or violation by the other party of any term, covenant, or condition of this Agreement or of any applicable law or ordinance.

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SECTION 16 - SEVERABILITY
If any term or portion of this Agreement is held to be invalid, illegal, or otherwise unenforceable by a court of competent jurisdiction, the remaining provisions of this Agreement shall continue in full force and effect.

SECTION 17 - COSTS AND ATTORNEY FEES
Attorney fees in total amount not exceeding $5000, shall be recoverable as costs (by the filing of a cost bill) by the prevailing party in any action or actions to enforce the provisions of this Agreement. The above $5000 limit is the total of attorney fees recoverable whether in the trial court, appellate court, or otherwise, and regardless of the number of attorneys, trials, appeals, or actions. It is the intent of this Agreement that neither party shall have to pay the other more than $5000 for attorney fees arising out of an action, or actions to enforce the provisions of this Agreement.

SECTION 18 - NON-DISCRIMINATION
CONSULTANT warrants that it is an Equal Opportunity Employer and shall comply with applicable regulations governing equal employment opportunity. Neither CONSULTANT nor any of its subcontractors shall discriminate in the employment of any person because of race, color, national origin, ancestry, physical handicap, medical condition, marital status, sex, or age, unless based upon a bona fide occupational qualification pursuant to the California Fair Employment and Housing Act.

SECTION 19 - MEDIATION
Should any dispute arise out of this Agreement, any party may request that it be submitted to mediation. The parties shall meet in mediation within 30 days of a request. The mediator shall be agreed to by the mediating parties; in the absence of an agreement, the parties shall each submit one name from mediators listed by either the American Arbitration Association, the State Mediation and Conciliation Service, or other agreed-upon service. The mediator shall be selected by a blind draw.

The cost of mediation shall be borne equally by the parties. Neither party shall be deemed the prevailing party. No party shall be permitted to file a legal action without first meeting in mediation and making a good faith attempt to reach a mediated settlement. The mediation process, once commenced by a meeting with the mediator, shall last until agreement is reached by the parties but not more than 60 days, unless the maximum time is extended by the parties.

SECTION 20 - LITIGATION
CONSULTANT shall testify at CITY'S request if litigation is brought against CITY in connection with CONSULTANT's services under this Agreement. Unless the action is brought by CONSULTANT, or is based upon CONSULTANT's wrongdoing, CITY shall compensate CONSULTANT for preparation for testimony, testimony, and travel at CONSULTANT's standard hourly rates at the time of actual testimony.

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SECTION 21 - NOTICES
All notices hereunder shall be given in writing and mailed, postage prepaid, addressed as follows:

To CITY: Joanne Magrini
City of San Mateo
330 W 20th Ave.,
San Mateo, CA 94403
To CONSULTANT: 4LEAF, Inc.

Attn: Gene Barry
2126 Rheem Drive,
Pleasanton, CA 94588.

SECTION 22 - AGREEMENT CONTAINS ALL
UNDERSTANDINGS; AMENDMENT
This document represents the entire and integrated agreement between CITY and CONSULTANT and supersedes all prior negotiations, representations, and agreements, either written or oral.

This document may be amended only by written instrument, signed by both CITY and CONSULTANT.

SECTION 23 - AUTHORITY TO ENTER INTO AGREEMENT
CONSULTANT has all requisite power and authority to conduct its business and to execute, deliver, and perform the Agreement. Each party warrants that the individuals who have signed this Agreement have the legal power, right, and authority to make this Agreement and to bind each respective party.

SECTION 24 - GOVERNING LAW AND VENUE
This Agreement shall be governed by the laws of the State of California and, in the event of litigation, venue will be in the County of San Mateo.
[SIGNATURE PAGE FOLLOWS]
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IN WITNESS WHEREOF, CITY OF SAN MATEO and 4LEAF, Inc. have executed this Agreement the day and year first above written.

CITY OF SAN MATEO CONSULTANT
Joanne Magrini
Parks and Recreation Director
Date Gene Barry
Its Authorized Agent
Vice President
If a Corporation, can be either 1)
President or 2) Vice President
plus an additional corporate
officer (i.e., Secretary, Treasurer)
who shall sign below.

Date

APPROVED AS TO FORM
Mazarin Vakharia
Assistant City Attorney
Date Kevin Duggan
President / Secretary
Date
Attachments:

Exhibit A: Scope of Services
Exhibit B: Fee Rates
Exhibit C: Insurance Requirements
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4/17/2025
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EXHIBIT A

SCOPE OF SERVICES
The Scope of Service contemplated for the Central Park Playground Improvements Project include, but is not limited to the following:

1. Environmental Services/ MMRP compliance - Provide qualified staff required for compliance with mitigation monitoring and reporting program (MMRP) for the San Mateo Central Park Master Plan Update Final Initial Study / Mitigated Negative Declaration, Dated January 12, 2018.

2. Construction Management and Inspection Services.
a. Act as construction project coordinator and the point of contact for all communications and interaction with the contractor, affected local agencies and design consultant. b. Coordination with the City’s Project Manager.
c. Provide administrative support including, but not limited to, maintaining project files, convening necessary meetings, providing meeting notes, monthly progress reports, photographic documentation, pay application reviews/negotiations and on-site observation.
d. Provide, administer, and use web-based Project software site for purposes of hosting and managing Project communication and documentation until Final Completion. e. Ensure all permits are pulled and inspections are conducted:
 Construction permit and renewal of expired permits
 Caltrans encroachment permits and traffic control plan f. Inspect and ensure Contractor’s compliance of:
 Tree protection measures and fencing
 Erosion Control BMP’s and SWPPP
 Construction site fencing and safety protocols.
g. Review scheduled submittals and provide schedule management support. h. Ensure product and deferred submittals are submitted and processed in a timely manner. i. Oversee the RFI process.
j. Evaluate, negotiate, recommend, and prepare change orders. k. Perform field inspection activities, monitor contractor’s performance and enforce all requirements of applicable codes, specifications, and contract drawings.
l. Oversee quality control and materials testing.
m. Ensure all special inspections including structural, geotechnical, soils and materials testing, as required by the project are scheduled and completed.
n. Ensure all play equipment are installed per manufacturer’s instructions and pass safety inspections performed by a certified by a Certified Playground Safety Inspector. o. Schedule, manage, perform and document all field and laboratory testing services as provided in project specifications.
p. All reports, calculations, measurements, test data and other documentation shall be prepared on forms specified by or otherwise acceptable to the City.

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q. Review and monitor the construction schedule. Prepare weekly reports documenting the progress of construction. Take photographs and videotape recordings of the construction progress on a regular basis. r. Prepare and recommend progress payments.
s. Identify potential claims and make recommendations to resolve said claims. t. Daily reports, extra work diaries, materials testing reports, and other reports shall be submitted to the City. u. Provide final punch-list inspection services and project closeout activities, including preparation of the final construction project report.
v. Turn over all As-builts and conformed construction documents to the City. w. Provide close-out support including site furniture, fixtures and equipment installations, punch list management, O&M manuals, as-built reference documentation review, final release of retention pay review and warranty work management.

3. Hazardous Materials Compliance Services. - Consultant to provide coordination for regulatory compliance for removal, containment, abatement, and disposal of hazardous materials including regulated asbestos containing materials and piping, lead containing paints, smoke detectors which may contain a radioactive element or contaminated soil. Services to be provided shall include pre-abatement and post-abatement Submittal Review.

Review of all contractor submittals related to asbestos and lead abatement, including work plans, safety procedures, and material specifications, verify that each submittal complies with applicable regulations and project specifications before work begins, and provide written recommendations for adjustments required to address any noted discrepancies or issues. After the abatement work is completed, review all final submittals, including clearance testing results and project closeout documents, confirm that the abatement work has been completed in accordance with the approved specifications and that all necessary documentation is in order.

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EXHIBIT B

FEE RATES
Construction Management Services
Invoices shall be submitted by the 20th day of the following month of services.

BASIS OF CHARGES
A. Rates shown assume projects under this contract will require compliance with California Prevailing Wage rate requirements and assumes the Client will be filing a PWC-100 Form to the California Department of Industrial Relations (DIR) for the project.

B. Rates for prevailing wage categories are subject to annual escalations in accordance with the bi-annual wage determinations from the California DIR. Rates based on California DIR’s wage determinations dated August 2024.

C. Per the new requirements being enforced under SB 854 and because it is assumed that a PWC-100 Form will be filed by the Client to the CA DIR for the project, 4LEAF is required to notify an authorized Apprenticeship Committee through submittal of a DAS-140 form. We are then required to make an official request to an authorized Apprenticeship Committee for an apprentice by submitting a DAS142 form.

We are not assured the apprenticeship committee will be able to provide a suitable/qualified apprentice for the project. Per the apprenticeship requirements, the hours worked by the apprentice must be at a ratio of 1:5 for apprentice to journeyman hours. 4LEAF will not know the labor classification of the Public Works Apprentice until an Apprentice is dispatched to the site; therefore, the rates for the five Periods listed under the California DIR’s Wage determination for Building Construction Inspector issued August 2024 were used to determine the range of Calendar Year 2024 hourly rates for Public Works Inspector Apprentice.

D. All invoicing will be submitted monthly.

E. Overtime and Premium time will be charged as follows:
- Night Time (work begun after 4PM or before 5AM) 1.125 x hourly rate - Overtime 1 (over 8 hours M-F or Saturdays) 1.35 x hourly rate - Overtime 2 (over 8 hours Sat or 1st 8 hour Sun) 1.85 x hourly rate - Overtime 3 (over 8 hours Sun or Holidays) 2.35 x hourly rate F. All work with less than 8 hours rest between shifts will be charged the appropriate overtime rate.

G. Subconsultant invoices will be assessed a 10% Administrative Processing Fee.

H. Project-related mileage for inspections will be billed at the allowable IRS Rate.

I. Payment due on receipt. All payments over 30 days will be assessed as a 1.5% interest charge.

J. Intentionally deleted.

K. Intentionally deleted.

L. In accordance with California’s Meal Break and Rest Break Law requirements, Client will be billed one (1) additional hour per day at the regular rate for each missed meal or rest break due to Client-directed tasks or requirements. Client should allow 4LEAF’s nonexempt, hourly employees the opportunity to take their entitled rest and meal breaks during each work shift.

M. If 4LEAF is requested or otherwise required to conform to Client’s alternative workweek schedule (“AWW”), Client hereby agrees to compensate or reimburse 4LEAF for all overtime paid to its employees who work an AWW. If 4LEAF’s affected employment group approves an AWW election and the same is registered, overtime compensation/reimbursement shall not be required.

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Mitigation Monitoring and Reporting

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Inspections
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Hazardous Materials
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Certified Arborist
Certified Playground Safety Inspector
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EXHIBIT C

INSURANCE REQUIREMENTS

MINIMUM SCOPE OF INSURANCE
Coverage shall be at least as broad as:

1. Commercial General Liability (CGL): Insurance Services Office (ISO) Form CG 00 01 12 07 covering CGL on an “occurrence” basis, including products-completed operations, personal & advertising injury, with limits no less than $2,000,000 per occurrence. If a general aggregate limit applies, either the general aggregate limit shall apply separately to this project/location or the general aggregate limit shall be twice the required occurrence limit.

2. Automobile Liability: ISO Form Number CA 00 01 covering any auto (Code 1), or if CONSULTANT has no owned autos, hired, (Code 8) and non-owned autos (Code 9), with limit no less than $1,000,000 per accident for bodily injury and property damage.

3. Workers’ Compensation: as required by the State of California, with Statutory Limits, and Employer’s Liability Insurance with limit of no less than $1,000,000 per accident for bodily injury or disease.

4. Professional Liability (Errors and Omissions): Insurance appropriate to the CONSULTANT’s profession, with limit no less than $1,000,000 per occurrence or claim, $2,000,000 aggregate.

If the CONSULTANT maintains higher limits than the minimums shown above, the City requires and shall be entitled to coverage for the higher limits maintained by the CONSULTANT.

Other Insurance Provisions
The insurance policies are to contain, or be endorsed to contain, the following provisions:

Additional Insured Status
The City, its elected and appointed officials, employees, and agents are to be covered as insureds on the auto policy for liability arising out of automobiles owned, leased, hired or borrowed by or on behalf of the CONSULTANT; and on the CGL policy with respect to liability arising out of work or operations performed by or on behalf of the CONSULTANT including materials, parts or equipment furnished in connection with such work or operations. General liability coverage can be provided in the form of an endorsement to the CONSULTANT’s insurance (at least as broad as ISO Form CG 20 10, 11 85 or both CG 20 10 and CG 20 37 forms if later revisions used).

Primary Coverage
For any claims related to this contract, the CONSULTANT’s insurance coverage shall be primary insurance as respects the City, its elected and appointed officials, employees, and agents. Any insurance or self-insurance maintained by the City, its elected and appointed officials, employees, or agents shall be excess of the CONSULTANT’s insurance and shall not contribute with it.

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Notice of Cancellation
Each insurance policy required above shall provide that coverage shall not be canceled, except after thirty (30) days’ prior written notice (10 days for non-payment) has been given to the City.

Waiver of Subrogation
CONSULTANT hereby grants to City a waiver of any right to subrogation which any insurer of said CONSULTANT may acquire against the City by virtue of the payment of any loss under such insurance.

CONSULTANT agrees to obtain any endorsement that may be necessary to effect this waiver of subrogation, but this provision applies regardless of whether or not the City has received a waiver of subrogation endorsement from the insurer.

Deductibles and Self-Insured Retentions
Any deductibles or self-insured retentions must be declared to and approved by the City. The City may require the CONSULTANT to purchase coverage with a lower deductible or retention or provide proof of ability to pay losses and related investigations, claim administration, and defense expenses within the retention.

Acceptability of Insurers
Insurance is to be placed with insurers with a current A.M. Best’s rating of no less than A:VII, unless otherwise acceptable to the City.

Verification of Coverage
CONSULTANT shall furnish the City with original certificates and amendatory endorsements or copies of the applicable policy language effecting coverage required by this clause. All certificates and endorsements are to be received and approved by the City before work commences. However, failure to obtain the required documents prior to the work beginning shall not waive the CONSULTANT’s obligation to provide them. The City reserves the right to require complete, certified copies of all required insurance policies, including endorsements required by these specifications, at any time.

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CITY OF SAN MATEO

CITY OF SAN MATEO
Agenda Report
City Hall
330 W. 20th Avenue
San Mateo CA 94403
www.cityofsanmateo.org
Agenda Number: 10 Section Name: NEW BUSINESS Account Number: 10-3133 File ID: 25-9838 TO: City Council
FROM: Alex Khojikian, City Manager
PREPARED BY: Community Development Department
MEETING DATE: April 21, 2025
SUBJECT:

Housing Element Implementation – Anti-Displacement and Tenant Protection Policies RECOMMENDATION:

Receive a presentation and provide direction on how to implement the tenant protection/anti-displacement policies in the 2023-2031 Housing Element.

BACKGROUND:

The City of San Mateo’s 2023-2031 Housing Element (Housing Element) established goals, policies, and programs to facilitate the production of 7,015 housing units and address key housing challenges identified through the housing needs assessment and community input process. The Housing Element was adopted by the City Council on May 20, 2024, and certified by the State Department of Housing and Community Development (HCD) on July 23, 2024.

The City identified five overarching goals to guide the Housing Element’s policies and programs. The first three are based upon the “3Ps” framework that seeks to address the region’s housing needs and is endorsed by the Association of Bay Area Governments (ABAG):

1. Production of New Housing at all Income Levels, with a Focus on Affordable Housing

2. Preservation of Existing Housing that is Affordable to Lower- And Middle-Income Residents

3. Protection of Current Residents to Prevent Displacement The fourth goal, or “fourth P,” is Promotion of community engagement and public outreach to support social resilience, and the fifth goal is to Affirmatively Further Housing (AFFH). The City committed to either researching or adopting multiple tenant protection policies to further the Protection and AFFH goals.

These policies include expanding certain provisions of Assembly Bill 1482 (AB 1482, also known as the Tenant Protection Act); strengthening existing policies related to substantial remodel evictions and unsafe or substandard units; and research options and best practices for improving data tracking of rental rates, evictions, and displacement. Implementation of these policies began in 2024 and is continuing into 2025/2026. Each Housing Element policy and its implementing actions are outlined in Table 1 below:

Table 1 – Housing Element Policies
Housing Element Policy Implementation Actions
Policy H 3.4: Expand tenant
protections in local ordinance to
extend measures of AB 1482
related to relocation,
a. Extend requirement of documentation from landlords who use the substantial remodel exemption to evict tenants and a Right to Return policy for tenants AB1482 provisions to require tenant relocation payments for No Fault evictions for those with tenure less than one year.
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documentation, and right to
return policy in eviction cases.
b. Make recommendations to the City Council for establishing tenant protection policies that include the displaced from their homes due to demolition or substantial remodels.
c. Amend the Code to strengthen enforcement penalty structure to aid in protecting tenants from unsafe or substandard units.
d. Conduct outreach to the community on a biannual basis.

Policy H 3.6: Monitor rents,
evictions, and tenant
displacement citywide.
a. Research options and best practices for a rental registry list, including determining necessary financial and human resources needed to establish such a program. Make recommendations to City Council.
b. Collaborate with regional partners, such as 21 Elements or ABAG, to develop ways to monitor rental rates, evictions and displacement citywide and countywide to track trends and use the information to guide policy priorities.

Policy H 5.4.1: Establish tenant
protections in local ordinance to
extend measures of AB 1482
related to relocation,
documentation, and right to
return policy in eviction cases.
a. Extend AB1482 provisions to require tenant relocation payments for No Fault evictions for tenants with tenure less than one year.
b. Make recommendations to the City Council for establishing tenant protection policies that include the requirement of documentation from landlords who use the substantial remodel exemption to evict tenants and a Right to Return policy for tenants displaced from homes due to demolition or substantial remodels. c. Amend the Code to strengthen enforcement penalty structure to aid in protecting tenants from unsafe or substandard units. This item is connected to Policy H 3.4.

Prior Tenant Protection/Anti-Displacement Efforts
Public input from the Housing Element outreach process, feedback from HCD, and City Council direction informed the policies and actions that were included in the City’s Housing Element. In addition, here’s a summary of significant policy activities that have happened in San Mateo related to tenant protections over the past ten years:
• In 2016, a measure was placed on the ballot (Measure Q) that proposed to enact rent regulation and just cause for eviction requirements. Measure Q would have limited rent increases for certain multi-family units to the change in Consumer Price Index (CPI) up to 4 percent annually, among other requirements related to just-cause evictions and relocation assistance. Out of 40,126 votes, 60% of voters voted against Measure Q and 40% voted in favor. • In 2019, following a three-year task force on anti-displacement, the City Council adopted Ordinance No. 2019-6, which required relocation assistance for tenants displaced from unsafe or substandard units and made key changes to two other existing City policies (see Table 3 below). • Most recently, on August 15, 2022, the City Council held a study session to consider tenant protection policies to be incorporated into the Housing Division workplan. The agenda report, staff presentation, meeting video and other materials from the study session are available on the City’s Public Meeting Portal.

In addition to the above, the Metropolitan Transportation Commission’s (MTC) Transit-Oriented Communities (TOC) Policy is an important part of the anti-displacement and tenant protection policy backdrop. Jurisdictions with a TOC (three in San Mateo) are expected to achieve TOC compliance by the One Bay Area Grant (OBAG) 4 deadline in early 2026 by meeting several policy thresholds. These include standards for density near transit, parking and transportation; a commercial stabilization policy; and at least two affordable housing policies in the areas of production, preservation, and protection.

The list of protection policies can be found at this link.

City Contributions to Housing Assistance
The City currently contributes Community Development Block Grant (CDBG) funds to three organizations providing fair housing counseling (Project Sentinel), housing legal aid (Legal Aid Society of San Mateo County), and core services, including housing case management (Samaritan House). The City provides these funds annually via a joint funding process 629 of 891

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with the County of San Mateo and other CDBG entitlement jurisdictions. The FY2024-25 CDBG allocations to the three organizations total $53,200.

Tenant Protection and Anti-Displacement Outreach and Research To begin implementation of the above Housing Element policies, staff developed a plan to conduct research and factfinding and gather input from a wide range of community stakeholders throughout the fall and winter of 2024, working towards a City Council study session on tenant protection and anti-displacement in early 2025. Staff also initiated a formal collaboration with 21 Elements in August 2024, which has facilitated a series of multi-jurisdiction meetings and technical assistance to jurisdictions implementing Housing Element anti-displacement policies and anti-displacement strategies.

Staff began conducting background research in September 2024, including meetings with legal service providers, to obtain information on San Mateo-specific data on evictions and related housing issues. A recurring theme of the research into rental housing conditions in San Mateo is a lack of comprehensive local data. However, there are some indicators that can help to frame the discussion.

Staff reviewed data from the City’s Business Tax License records and CoStar, an online commercial real estate database.

The City’s Business License Tax records contain 1,028 registered rental properties, while the CoStar database shows 1,110 rental properties (note that there is no data on single-family homes on CoStar).

Incomes and Rents
One of the main contributors to displacement in the Bay Area is the combination of high rents and significant income disparities. The Area Median Income (AMI) for San Mateo County has climbed steadily in recent years. At the same time, to the most recent data from the Department of Housing and Urban Development (HUD) Consolidated Housing Affordability Survey (CHAS), 49 percent of renters in San Mateo are in the lower income category, which includes low income (80 percent of AMI) and very low income (50 percent of AMI).

Table 2 below shows average rents by bedroom count according to the website Zumper, along with the income needed to afford rent without cost burden (30 percent of income), the countywide Area Median Income, and low income limits (80 percent of AMI). Average rents for 2-, 3-, or 4-bedroom units require an income higher than the low income limit; rents for 3- and 4-bedroom units require an income that exceeds the AMI.

Table 2 - Average Rents Compared to Incomes
San Mateo
Average Rent Income needed Area Median Income
Low Income (up
to 80% AMI)
Studio $2,352 $94,080 $130,600 $109,700
1 bedroom $2,706 $108,240 $149,300 $125,350
2 bedrooms $3,609 $144,360 $167,950 $141,000
3 bedrooms $4,948 $197,920 $186,000 $156,650
4 bedrooms $9,993 $399,720 $201,550 $169,200
Source: Zumper, Q2 2025 and CA Department of Housing and Community Development. Occupancy assumption is number of bedrooms plus one.

It should be noted that rents vary significantly across housing type and are dependent on factors such as building class, size, size of units, and number of units.

Of the properties listed on CoStar, the largest share of rental housing consists of properties of 2-5 rental units (42 percent), followed by properties of up to 10 units (37 percent). There is no data on single-family homes. These smaller properties are largely older buildings, with the majority built before 1990. Properties of 50-200 units make up 5 percent of the total and are markedly newer.

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there are more individual owners among properties with fewer units, while larger numbers of units tend to be owned by corporate entities. This variation is important to consider when discussing the policies in this report, as different segments of the rental market will respond differently to their implementation.

Evictions
Staff met with legal service providers serving San Mateo clients to obtain data on eviction cases and general trends in caseloads over the last five years. These organizations provide services prior to formal eviction proceedings and legal aid in unlawful detainer (UD) cases. All reported a significant increase in caseloads. For example, Project Sentinel, a non-profit that provides services in fair housing, dispute resolution, and support to tenants facing eviction in San Mateo County, found a 24% increase in their caseload, from 346 cases in 2018 to 428 cases in 2023. Legal Aid Society of San Mateo County reported that their caseload on UDs in 2019 went from 1,120 to 1,520 in 2023, a 35% increase.

This trend can be attributed in part, to the termination of COVID-19 pandemic-related rental assistance and eviction moratoria. At the same time, all organizations stated that AB 1482 (summarized in Table 3 below) has significantly curtailed “no-cause” evictions. The primary reason for most eviction cases is nonpayment of rent.

A study of court records of eviction filings in San Mateo County published in February 2025 by Mills Legal Clinic at Stanford Law School supports these observations. AB 1482 appeared to contribute to a significant drop in “no-cause” evictions, with the vast majority of evictions due to alleged nonpayment of rent. San Mateo (city), with 141 filings, is one of the four San Mateo County jurisdictions with more than 100 UDs in 2019 and 2023 combined, along with Daly City, East Palo Alto, and Redwood City.

Even with comprehensive data on court filings, the extent of residential displacement due to “soft” or “functional” evictions – cases where displacement occurs, but the formal case never reaches the courts – is unknown. The Stanford Law School study also does not provide details such as the type of housing (single-family dwelling, small or large multi-family, older or newer stock), geographic concentrations of eviction filings within San Mateo, or the extent to which evictions disproportionately impact people of color or those of lower income.

Outreach and Community Engagement
In parallel with this research, staff also conducted outreach and community engagement to consult with both tenants and property owners in fall and winter 2024 and 2025; and two community workshops were held through the Community Relations Commission on November 20, 2024 and January 15, 2025. A variety of public comments were received from community stakeholders on potential anti-displacement and tenant protection strategies and programs. A summary of the public comments received in both community workshops can be found in the meeting minutes from the Community Relations Commission in Attachment 1.

In December 2024, staff facilitated five focus group meetings with community stakeholders to gather more input on how housing issues and current policies impact tenants and property owners. Input received included the following:
• Support for policies that increase likelihood that renters can successfully relocate within or in close proximity to San Mateo; in particular, increasing all forms of relocation assistance to three months’ rent. • Support for a rental registry to address a lack of San Mateo-specific housing data that could facilitate policymaking in this area.
• Opposition to a rental registry due to concerns about privacy and administrative burden on property owners and managers to meet extensive reporting requirements.
• Support for a policy that would limit no-fault evictions during the school year. • Emphasis on differences in the ability of larger versus smaller property owners and managers to keep apprised of, and comply with, complex state and local laws.
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• Overarching concern about ability of renters to remain in their San Mateo community. • Support for education and outreach on current tenant protections and available resources and emphasis on providing education and outreach in multiple languages. • Emphasis on the limited supply of rental units impacting rent prices.

Current Protections in State and Local Law
There are many state laws that address various aspects of the rental market and that set the existing policy framework for tenants and landlords. Some relevant policies include:

Table 3 – Current Laws and Ordinances
Policy/Ordinance Description
Municipal Code
Chapter 7.50
Relocation assistance for tenants in unsafe or
substandard units that are temporarily or
permanently displaced due to City Code
Enforcement activities (temporary – actual moving
and temporary housing costs up to three times Fair
Market Rent; permanent – three times Fair Market
Rent plus moving costs). Tenant right of return to
the unit or to a comparable unit.

Municipal Code
Chapter 26.65.060
For units converted into condominiums, stock
cooperatives, or community apartments, tenants
have the right to purchase three months after City
approval. Relocation assistance required (three
times Fair Market Rent).

City Protections
Municipal Code
Chapter 27.02.180
Relocation assistance for tenants in demolished or
converted units (three months’ Fair Market Rent
plus moving costs).

Assembly Bill (AB)
1482 (Tenant
Protection Act of 2019)
Limits rent increases, implements “just cause” for
covered tenancies, and provides relocation
assistance to tenants who are evicted for “no-fault”
reasons. Exempts buildings newer than 15 years
old, single-family homes not owned by a
corporation, and owner-occupied duplexes. Note:

Senate Bill (SB) 567 tightens some AB 1482
provisions by requiring additional landlord
documentation.

State Protections
SB 330 (Housing Crisis
Act of 2019)
Requirement for developers to replace demolished
“protected” rental and affordable housing units,
offer relocation assistance, and offer right of first
refusal to a comparable, new unit. Note: AB 1218
expands the “no net loss” provisions in the Housing
Crisis Act of 2019.

Policy Alternatives for City Council Consideration
The table in Attachment 2 describes various options for the City Council to consider to implement the relevant Housing Element policies and to respond to the findings described in this report. The table identifies each Housing Element policy, briefly describes the problem it is intended to address, discusses potential benefits and costs, and lists jurisdictions with some version of the policy. Policy alternatives are discussed below, with additional details included in Attachment 2.

Relocation Assistance
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from the rental market. This provision only applies to tenants in covered units who have lived in the unit for one year or more. The purpose of expanding relocation assistance to tenants who have been in the unit for less than one year is to provide the same level of protection afforded by AB 1482 to all tenants evicted for these reasons. Policy alternatives to consider include the amount of relocation assistance provided and the qualifying length of tenure (e.g., no minimum, minimum 3, 6, 9 or 11months).

Right to Return
While AB 1482 addresses relocation assistance, there is no right to return provision for tenants evicted for the reasons stated above. SB 567 provides for the right to return only in cases of substantial renovation where the work is not completed (or never commences). While some of the City’s policies include a right to return, they do not address most nofault evictions described in AB 1482, and do not apply to demolitions. The purpose of a right to return policy is to provide tenants an opportunity to return to their unit in all of these cases.

Strengthened Enforcement Penalty Structure for Unsafe or Substandard Units As noted above, the City’s existing ordinance on relocation assistance for tenants in unsafe or substandard units that are temporarily or permanently displaced due to City Code Enforcement activities is from 2019. Since adoption, as the ordinance has been utilized, there have been some functional issues and policy limitations that have been identified.

Housing Element Policy H.3.4(c) was included to improve the intended function of the ordinance, including the provision of relocation assistance and the appeals process.

Specifically, for tenants whose temporary displacement becomes permanent, the ordinance does not offer additional, or cumulative assistance beyond three times the US Department of Housing and Urban Development Fair Market Rent (FMR).

This is an important gap to address because of the high cost of living in San Mateo, where three times FMR may be insufficient even in cases of short-term displacement. Based on City implementation of the ordinance, allowing for greater relocation benefits if a temporary relocation becomes permanent would avoid significant finance impacts to tenants who are no longer able to return to their unit. With regards to the processing of an appeal related to a relocation finding, Council provided earlier direction to explore alternatives, including the use of a hearing officer.

Rent Registry
The purpose of a rent registry is to collect data specific on the rental housing stock in a jurisdiction. The level of specificity that a rent registry provides exceeds that of any other data sources, including commercial real estate databases or local sources such as business license records. For example, a rent registry can provide accurate information on the number of rental units, rents charged, and vacancy rates, track unit turnover by category, and track evictions.

To determine what data is currently available, staff reviewed the City’s internal business license tax database and CoStar; some of these results are discussed elsewhere in this report. Both sources help to determine the approximate number of rental properties citywide, but the data is aggregated, provided as averages, and incomplete (no data on single-family homes). While valuable sources of information, they require several assumptions and are best used to identify broad trends in the local rental market.

Several Bay Area jurisdictions have proposed or instituted rent registries. These include the following:
• East Palo Alto: The City of East Palo Alto selected a firm via an RFP process in 2024 and expects to implement a rent registry by mid-2025. The city is leveraging its existing Rent Stabilization and Just Cause for Eviction program, which regulates approximately 2,500 of the city’s rental units and includes full-time staff. • Foster City: (pending) A Rental Registry was presented to the Foster City City Council in October 2024 to apply only to the city’s Below Market Rate (BMR) units. Through this rental registry, the city intends to gather additional data to improve the auditing and monitoring process and ensure that tenants and BMR property owners are compliant with the regulations. This is a pilot program.
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• Half Moon Bay: The City of Half Moon Bay adopted a rent registry ordinance in February 2024 and began registrations in June 2024. This was followed in fall 2024 by implementation of a new rent stabilization program. The stated purpose of the rent registry was to identify how many rental units exist in Half Moon Bay and to track year-over-year changes, including displacement of residents. The rent registry website can be viewed here. • Concord: The City of Concord has an established Rent Registry program for the past four years that collects data on rent amount, property address, size of unit, number of bedrooms and bathrooms, lease terms, and parking spaces. All rental units are required to be registered, including single-family homes. The city releases an annual report each year on its Rental Registry Webpage.
• Palo Alto: In October 2024, the City of Palo Alto launched a Rental Registry Program for rental properties with three or more units. The stated purpose of this registry is to better understand the rental landscape in Palo Alto and help inform future Council decision-making (see link).

While rent registries provide a reliable source of rental information, jurisdictions must weigh this benefit against the costs of establishing and maintaining the registry. Cities must invest in an RFP process to identify a firm that can create the rent registry and budget for significant costs associated with registry set-up and maintenance, annual consultant and software fees, and city staff time. Some cost recovery is possible with a citation system, but this also requires staff time. Below are some examples of rent registry budgets and estimates:
• East Palo Alto budgeted $150,000 for program set-up, with an additional $150,000 on an annual basis. • Half Moon Bay requires $30,000 annually to maintain its rent registry contract, plus one half of a permanent staff position and a full-time temporary position.
• Concord’s program has an average budget of $81,000 per year for the rent registry software. Their program runs on a cost-recovery model using Rent Registry fees to cover the software and personnel. • Through General Funds, Palo Alto budgeted $443,256 over four years to cover software services, one full-time staff position, and other additional services. Palo Alto has the intention to switch to a partial cost-recovery model after the first year.

Emergency Rental Assistance
Receiving an eviction notice due to non-payment of rent can lead to a household becoming homeless. For this reason, several jurisdictions in San Mateo County have implemented their own emergency rental assistance program to help renters avoid missing a month’s rent, utility payments, or security deposits. The household limit for this assistance ranges from $4,000-5,000. Jurisdictions such as South San Francisco, Daly City, Foster City, Half Moon Bay, Redwood City, and Brisbane use either General Funds or Housing Successor Funds to make this form of assistance available. The average funding for this is $84,000 annually. The jurisdiction has the option to independently administer the program, or contract with a nonprofit service agency. Payments are issued directly to the property owner.

City Council Direction
Based on the information provided in this agenda report and the policies in the City’s Housing Element, staff is seeking Council direction on the following questions to guide how the City proceeds with implementation.

1. Given the commitment in Policy H.3.4(a) to extending relocation assistance for no-fault evictions for those with tenure less than one-year, which policy alternative would the City Council like to pursue, i.e., qualifying length of tenure and amount of compensation?

2. Would the City Council like to pursue a policy related to right-to-return as described in Policy H.3.4(b), and if so, which alternative should be pursued?

3. Given the commitment in Policy H.3.4(c) to strengthening the enforcement penalty structure of the City’s existing ordinance on relocation assistance for tenants displaced by code enforcement activities, what changes would the City Council like to pursue in an amended ordinance?
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4. Would the City Council like to pursue a rent registry, a different model for data tracking, or rely on existing data sources to achieve the goals of Policy H.3.6?

5. Are there other policy alternatives the City Council would like to pursue based on the findings in this report?

6. Does the City Council wish to prioritize any of these items as staff continues with implementation? Next Steps
Based on the direction provided by the City Council, staff will begin drafting the necessary code amendments, policy language or program proposal(s), as necessary, and return to the City Council for further approval of each item. Due to the differing nature of the various policy alternatives, depending on the feedback City Council provides, these items may be addressed in groupings, or as standalone items. Staff is working towards implementing all actions related to Policies H 3.4, H 3.6, and H 5.4.1 by the end of 2025.

BUDGET IMPACT:

The impact on the General Fund and other housing funds will depend on the direction the City Council provides in this study session. Code amendments to reflect updates to an existing ordinance or to introduce a new ordinance will have minimal impact, but there may be costs associated with implementation. As noted above, a rent registry – or any data collection mechanism – will have associated upfront and ongoing costs. Finally, a rental assistance program could be supported out of a restricted Housing fund, such as the Housing Successor Fund (F255), with no impact to the General Fund. Staff will address the budgetary impact of each item when returning to the City Council for further direction or approval.

ENVIRONMENTAL DETERMINATION:

This study session is not a project subject to CEQA, because it can be seen with certainty that it will not cause a physical change in the environment. (Public Resources Code Section 21065.) NOTICE PROVIDED:

All meeting noticing requirements were met.

ATTACHMENTS
Att 1 - Community Relations Commission - Community Workshop #1 and #2 Minutes Att 2 - Policy Alternatives

STAFF CONTACT
Rachel Horst, Housing Manager
(650) 522-7223
[email protected]
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COMMUNITY RELATIONS COMMISSION – REGULAR MEETING
MINUTES – November 20, 2024
The November 20, 2024 Regular Meeting of the Community Relations Commission (CRC) was called to order at 7:10 pm. Chair Boles called the meeting to order.

ROLL CALL
Chair Boles and Commissioners Nugent and Kim were present. Vice Chair Fitzgerald and Commissioner Crowell (excused) were absent.

CITY STAFF PRESENT
Rachel Horst- Housing Manager, Zachary Dahl- Community Development Director, and Jennifer Mora- Housing Specialist were present.

CONSENT CALENDAR / APPROVAL OF MINUTES

1. The minutes of the September 5, 2024 meeting were approved. (Boles/Nugent; 3-0-2)

PUBLIC COMMENT
No public comment was received.

NEW BUSINESS

2. Community Needs Workshop for 2025-26 Community Development Block Grant Annual Action Plan The Community Relations Commission determined community priorities in preparation of the 2025-26 Annual Action Plan for the Community Development Block Grant Program.

Public Comment on this item:

Public comment was received from 9 members of the public and broadly included the following recommendations for CDBG funding priorities:
• Continue to fund legal services organizations to assist the anticipated growing number of evictions. • Fund programs to stop the “gap” when the tenant cannot pay a month’s rent to avoid evictions for nonpayment, rather than “penalizing” landlords
• Make available programs to assist tenants to apply for housing programs such as Section 8. • Create more housing options for low-income housing for seniors and individuals with mental or physical disabilities.
• Continue funding for repairs/maintenance on sidewalks to mitigate damage done by trees to sidewalks and trip hazards.
• Continue to prioritize affordable housing under CDBG.

3. Community Workshop on Anti-Displacement and Tenant Protection Policies Staff provided a presentation on the current tenant protection policies and the City’s strategies to address displacement, a goal in the Housing Element.

Public Comment on this item:

Public comment was received from 18 members of the public on this item. Comments included the following broad areas:
• Increasing relocation benefits to three months for all evictions. • Lowering the limit of rent increases to 3-5% to help prevent displacement, especially of teachers, first responders, and essential workers.
• Removing the “expiration date” on tenant protection laws. • Consider that the cost of living in San Mateo is very high, and tenants are living in overcrowded conditions.
• Consider more protections against unsafe living conditions - individuals living in units with mold, infestations, or other repair needs.
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San Mateo City CouncilApril 21, 2025

San Mateo City Council
April 21, 2025