Agenda Item #F6 (A)
MONTHLY
OPERATIONS
REPORT
forthe: City of lone
Castle Oaks and the Wastewater Treatment
Facilities
Wastewater Services
September 2023
Agenda Item #F6 (A)
RE: SEPTEMBER 2023 - MONTHLY OPERATIONS REPORT
Dear Mrs. Godney:
WaterStone Services LLC is pleased to present our monthly operations report detailing our operations and maintenance activities at your wastewater treatment facilities during the previous month. Our report addresses the following key areas of concern:
1. Permit Compliance
2. Plant Flows
3. Plant Loads
4. Plant Process and Performances
5. Maintenance and Repair
6. Process Chemicals
7. Solids Disposal
8. Safety
Should you have any questions or concerns regarding this report or any aspect of our operation, please don't hesitate to contact me.
Thank you for your time,
Sincerely,
Kathy Stone- Operations Manager
James Whitaker- Facility Manager
Agenda Item #F6 (A)
1.0 PERMIT COMPLIANCE
1. Discharge Permit Compliance- Tertiary WWTP
Central Valley Regional Water Quality Control Board permits the discharge from the facility for multiple parameters. All regulatory water quality monitoring requirements were met. The WWTP Facilities achieved compliance with parameters, as documented in TaBle 1.0 below. All permit TABLE 1.0 - DISCHARGE COMPLIANCE
PARAMETER PERMIT LIMIT FREQUENCY AVERAGE MONTHLY MONTHLY
HIGH LOW
Flow 1.2 MGD Continuous 0.714 0.930 0.488
pH 6.0-9.0 mg/L Weekly 7.5 7.9 7.3
Total Coliform 23 MPN Daily <1.8 4.5 <1.8
Electrical Conductivity 10/mg/l Monthly 590 590 590
Chlorine N/A Daily 5.4 9.8 3.4
Nitrate 10 mg/L Weekly 0.7 1.4 <0.20
Total Arsenic mg/l Monthly 0.02 0.02 0.02
Turbidity 10 NTU Continuous 1.29 3.61 0.38
Biochemical Oxygen 30 mg/L Weekly <5.0 <5.0 <5.0
Demand 45 Day
Average
GREEN= WITHIN PERMIT LIMITS
YELLOW=WITHIN PERMIT LIMITS NEEDS ATENTION
RED= EXCEEDED PERMIT LIMITS
2. Permit Compliance- Wastewater Treatment Plant Ponds
Central Valley Regional Water Quality Control Board provides a Permit for the Operation of the Pond Treatment System. All regulatory water quality monitoring requirements were met. The WWTP Facilities achieved compliance with parameters, as documented in TaBLe 1.1 on the following page.
Agenda Item #F6 (A)
TABLE 1.1 - PERMIT COMPLAINCE
POND
PERMIT MONTHLY MONTHLY
PARAMETER FREQUENCY AVERAGE
LIMIT HIGH LOW
1 Dissolved Oxygen >1.0 X 3 Weekly 5.5 6.3 3.5
2 Dissolved Oxygen >1.0X3 Weekly 5.1 5.9 3.2
3 Dissolved Oxygen >1.0 X 3 Weekly 5.1 8.3 3.0
4 Dissolved Oxygen >1.0 X 3 Weekly 7.1 10.7 4.0
5 Dissolved Oxygen >1.0 X 3 Weekly 6.6 12.2 3.0
6&7 EMPTY >1.0 X 3 Weekly N/A N/A N/A
POND PERMIT FREQUENCY AVERAGE MONTHLY MONTHLY
PARAMETER LIMIT HIGH LOW
1 pH 6.0-9.0 Weekly 6.9 7.1 6.5
pH 6.0-9.0 Weekly 7.1 7.6 6.7
3 pH 6.0-9.0 Weekly 6.6 7.5 6.1
4 pH 6.0-9.0 Weekly 6.9 7.3 6.4
5 pH 6.0-9.0 Weekly 6.8 7.5 6.0
6&7 EMPTY 6.0-9.0 Weekly N/A N/A N/A
POND PERMIT MONTHLY MONTHLY
PARAMETER FREQUENCY AVERAGE
LIMIT HIGH LOW
1 Freeboard 2.0 Weekly 2.0 2.0 2.0
Freeboard 2.0 Weekly 2.0 2.0 2.0
Freeboard 2.0 Weekly 2.0 2.0 2.0
4 Freeboard 2.0 Weekly 2.0 2.0 2.0
5 Freeboard 2.0 Weekly 2.0 2.0 2.0
6&7 EMPTY 2.0 Weekly N/A N/A N/A
POND PERMIT MONTHLY MONTHLY
PARAMETER FREQUENCY AVERAGE
LIMIT HIGH LOW
1 Berm Condition Visual Weekly OK OK OK
2 Berm Condition Visual Weekly OK OK OK
Berm Condition Visual Weekly OK OK OK
4 Berm Condition Visual Weekly OK OK OK
5 Berm Condition Visual Weekly OK OK OK
6&7 EMPTY Visual Weekly N/A N/A N/A
POND PERMIT MONTHLY MONTHLY
PARAMETER LIMIT FREQUENCY AVERAGE HIGH
LOW
1 Seepage/Odor Visual Weekly OK OK OK
Seepage/Odor Visual Weekly OK OK OK
3 Seepage/Odor Visual Weekly OK OK OK
4 Seepage/Odor Visual Weekly OK OK OK
5 Seepage/Odor Visual Weekly OK OK OK
6&7 EMPTY Visual Weekly N/A N/A N/A
Agenda Item #F6 (A)
2.0 PLANT FLOWS
Effluent and Influent Flow
The total Influent flow of 25,720,745 GPD of wastewater has been recorded for the month of September. The average daily influent flow for the month was 857,478 GPD. A maximum daily flow of 1,096,467 GPD on September 30th. A minimum daily flow of 586,063 GPD was on September 19™H due to plant shut down.
The total Effluent flow of 24,925,716 GPD of wastewater has been recorded for the month of September. The average daily effluent flow for the month was 831,057 GPD. A maximum daily flow of 1,068,845 GPD on September 30th. A minimum daily flow of 56,647 GPD was on September. 19TH due to plant shut down.
Graph 2.1 below trends the Effluent flow for the month of September
EFFLUENT FLOW
1.000
0.900
0.800
0.700
0.600
0.500
0.400
0.300
0.200
0.100
0.000
- EFFLUENT FLOW
3.0 PLANT LOADS
The plant loading consists of domestic wastewater.
4.0 PLANT PROCESSES AND PERFORMANCE
1. Collection System
September 6th- There was a collection system emergency. Hydro jetted from front of 541 Foothill Dr.
Hydro jetted upstream from manhole located next to culvert 21 feet. Cleared blockage. Vacuumed liquid (less than 10 gallons) out of the drain ditch and sanitized. Possible break in line.
Agenda Item #F6 (A)
Recommend repair/replacement of line. Length between manhole 93 feet.
Offset or break in line located at 21' from manhole and culvert upstream 21' September 18t Hydro jetted irrigation and pumped and cleaned lift station South 3.
September 23rd-Called out for emergency service. Location 10 Castle Oaks Dr., lone CA Called out due to overflowing sewer, it was determined a water leak and not a sewer spill.
2. Influent Headworks
The influent flow meter needs repair. Filter screen cleaned daily. The high-level alarm is tested
3. Aeration
Pond Four aerator was serviced and is working properly. All other aerators working continuously for the month of September.
4. Castle Oaks Golf Course
The spray fields were operated 30 out of 30 days of the month of September. Zone 2 and Zone 4 were utilized on the days the spray field was operated. The effluent is applied evenly.
5. Farmer's Irrigation
The irrigation spray fields were operated 9 out of 30 days of the month of September.
5.0 MAINTENANCE AND REPAIR
Maintenance and repair is a critical component of the overall operations of the wastewater treatment facilities. Waterstone Services is working closely with the City of lone maintenance staff to assure that critical tasks are identified and corrected in a timely manner.
The following critical tasks completed this month:
• ADDED OIL AND GREASE TO ALL BLOWERS
• CHECKED EYE WASH STATIONS
• PAINTED STAIRS WITH SAFETY PAINT
• POSTED 22 SAFETY SIGNS THROUGH OUT THE PLANT
• ORDERED CHLORINE ANALYZER
• REPAIRED POLY PUMP
• GROUND MAINTENANCE
• REPAIRING EYEWASH STATIONS
• TEL-STAR WORKED ON WETWELL SENSOR
• NEW CHLORINE TANK INSTALLED
• CHECKED FIRE EXTINGUISHERS
• SANITARY SEWER BACKUP CLEANING BY ABC PLUMBING 9/6/2023 • INFLUENT PUMP AT WASTEWATER FACILITY SERVICED
• AERATOR IN POND 4 SERVICED
• SENT SLUDGE TO DRYING BED
• ALL MONTHLY SAMPLES COMPLETED
• CALIBRATION OF METERS AND PROBES, AND OTHER QA/QC TASKS • CREATED, IMPLEMENTED AND UPDATED SOP MANUALS- LOCK OUT TAG OUT/LAGOON
SAFETY PROCEDURES
Agenda Item #F6 (A)
ITEMS REQUIRING CLIENT APPROVAL
ITEM CRITICALITY STATUS COMPLETION DATE
EFFLUENT PUMPS HIGH APPROVED N/A
TURBIDITY METER/PROBE HIGH APPROVED 9/5/2023
CAM LOCKS MEDIUM RESEARCHING N/A
SOLIDS HANDLING HIGH RESEARCHING OPTIONS N/A
6.0 PROCESS CHEMICALS
7.0 SOLIDS HANDLING
Sludge is separated from water and deposited in the solids sludge drying bed.
8.0 SAFETY
Safety of the Waterstone Services staff, and the facility itself is a critical concern. Safety meetings topics for the month of September included: Heat Illness Prevention and Ladder Safety. We are pleased to report that there were no workplace accidents or injuries in the past month Agenda Item #F6 (B)
MONTHLY
OPERATIONS
REPORT
for the: City of lone
Castle Oaks and the Wastewater Treatment
Facilities
Wastewater Services
October 2023
RE: OCTOBER 2023- MONTHLY OPERATIONS REPORT
Agenda Item #F6 (B)
Dear Mrs. Godney:
WaterStone Services LLC is pleased to present our monthly operations report detailing our operations and maintenance activities at your wastewater treatment facilities during the previous month. Our report addresses the following key areas of concern:
1. Permit Compliance
2. Plant Flows
3. Plant Loads
4. Plant Process and Performances
5. Maintenance and Repair
6. Process Chemicals
7. Solids Disposal
8. Safety
Should you have any questions or concerns regarding this report or any aspect of our operation, please don't hesitate to contact me.
Thank you for your time,
Sincerely,
Kathy Stone- Operations Manager
James Whitaker- Facility Manager
1. PERMIT COMPLIANCE
1. Discharge Permit Compliance- Tertiary WWTP
Agenda Item #F6 (B)
Central Valley Regional Water Quality Control Board permits the discharge from the facility for nultiple parameters. All regulatory water quality monitoring requirements were met. The WTF Facilities achieved compliance with parameters, as documented in TABLe 1.0 below. All permit required laboratory analysis performed by Alpha Laboratories.
TABLE 1.0 - DISCHARGE COMPLIANCE
PARAMETER PERMIT LIMIT FREQUENCY AVERAGE MONTHLY MONTHLY
HIGH LOW
Flow 1.2 MGD Continuous 0.595 0.853 0.462
pH 6.0-9.0 SU Weekly 7.2 7.1
Total Coliform 23/240mpn Daily 2.0 7.8 <1.8
Electrical Conductivity mg/l Monthly 390 390 390
Chlorine mg/l Daily 5.1 4.9 8.0
Nitrate mg/L Weekly 7.7 10.0 2.5
Total Arsenic mg/l Monthly <10 <10 <10
Turbidity 10 NTU Continuous 0.45 1.82 0.16
Biochemical Oxygen 30 mg/L Weekly <5.0 <5.0 <5.0
Demand 45 Day
Average
GREEN= WITHIN PERMIT LIMITS
YELLOW=W PERMIT LIMITS NEEDS ATENTION
RED= EXCEEDED PERMIT LIMITS
2. Permit Compliance- Wastewater Treatment Plant Ponds
Central Valley Regional Water Quality Control Board provides a Permit for the Operation of the Pond Treatment System. All regulatory water quality monitoring requirements were met. The WWTP Facilities achieved compliance with parameters, as documented in Table 1 to follow
TABLE 1.1 - PERMIT COMPLIANCE
Agenda Item #F6 (B)
POND
PERMIT MONTHLY MONTHLY
PARAMETER FREQUENCY AVERAGE
LIMIT HIGH LOW
1 Dissolved Oxygen >1.0 X 3 Weekly 6.1 6.2 5.6
Dissolved Oxygen > 1.0 X 3 Weekly 4.3 5.7 3.1
Dissolved Oxygen > 1.0 X 3 Weekly 4.8 5.9 3.2
4 Dissolved Oxygen >1.0 X3 Weekly 4.7 5.6 3.7
5 Dissolved Oxygen > 1.0 X 3 Weekly 4.8 3.5
6&7 EMPTY >1.0 X 3 Weekly N/A N/A N/A
POND PERMIT MONTHLY MONTHLY
PARAMETER FREQUENCY AVERAGE
LIMIT HIGH LOW
1 pH 6.0-9.0 Weekly 6.8 6.9 6.6
2 pH 6.0-9.0 Weekly 6.2 6.6 6.0
pH 6.0-9.0 Weekly 6.1 6.2 6.0
4 pH 6.0-9.0 Weekly 6.3 6.6 6.2
5 pH 6.0-9.0 Weekly 6.3 6.4 6.3
6&7 EMPTY 6.0-9.0 Weekly N/A N/A N/A
POND PERMIT MONTHLY MONTHLY
PARAMETER FREQUENCY AVERAGE LOW
LIMIT HIGH
Freeboard 2.0 Weekly 2.0 2.0 2.0
Freeboard 2.0 Weekly 2.0 2.0 2.0
Freeboard 2.0 Weekly 2.0 2.0 2.0
4 Freeboard 2.0 Weekly 2.0 2.0 2.0
5 Freeboard 2.0 Weekly 2.0 2.0 2.0
687 EMPTY 2.0 Weekly N/A N/A N/A
POND PERMIT MONTHLY MONTHLY
PARAMETER FREQUENCY AVERAGE
LIMIT HIGH LOW
Berm Condition Visual Weekly OK OK OK
Berm Condition Visual Weekly OK OK OK
Berm Condition Visual Weekly OK OK OK
Berm Condition Visual Weekly OK OK OK
5 Berm Condition Visual Weekly OK OK OK
6&7 EMPTY Visual Weekly N/A N/A N/A
POND FREQUENCY AVERAGE MONTHLY MONTHLY
PARAMETER HIGH LOW
1 Seepage/Odor Visual Weekly OK OK OK
2 Seepage/Odor Visual Weekly OK OK OK
3 Seepage/Odor Visual Weekly OK OK OK
4 Seepage/Odor Visual Weekly OK OK OK
5 Seepage/Odor Visual Weekly OK OK OK
6&7 EMPTY Visual Weekly N/A N/A N/A
TABLE 1.1 - PERMIT COMPLIANCE
2. PLANT FLOWS
1. Effluent and Influent Flow
Agenda Item #F6 (B)
The total Influent flow of 19,300,000 GPD of wastewater has been recorded for the month of October. The average daily Influent flow for the month was 619,000 GPD. A maximum daily flow of 878,000 GPD on October 4TH. A minimum daily flow of 484,000 GPD on October 29™H.
The total Effluent flow of 18,450,000 GPD of wastewater has been discharged for the month of October. The average daily Effluent flow for the month 595,000 GPD. A maximum daily flow of 853,000 GPD on October 4TH. A minimum daily flow of 462,000 GPD on October 16TH Graph 2.0 Below trends the Effluent flow for the month.
EFFLUENT FLOW
0.900
0.800
0.700
0.600
0.500
0.400
0.300
0.200
0.100
0.000
10/15/2023
— EFFLUENT FLOW
3. PLANT LOADS
The plant loading consists of domestic wastewater.
4. PLANT PROCESSES AND PERFORMANCE
A. Collection System
10/26/2023, 19:00 Transfer switch failed at Edgebrook lift station. Jim Whitaker and ABC Plumbing responded to stop flow. All perinate agencies were notified. 10/6/2023 Hydro415 Shakeley & 427 Shakeley
Hydro jetted and camera inspected. Found broken check valve located at sidewalk manhole.
Removed gate from line that was obstructing flow.
Hydro jetted and re-camera inspected to ensure line was cleared.
Hydro line and found no obstruction, flow running good.
Agenda Item #F6 (B)
415 Shakeley
No one home. No property line cleanouts. No signs of blockage.
Spoke to homeowner's son who informed us that problem was corrected over the weekend by others who suggested replacing lateral up to street connection. 10/20 541 Foothill
Camera inspected 6" sewer line upstream. Offset located at 9' & 11'. Root intrusion at 18'&
21.6'. Offset located at 40.6'. Total length of line 85'.
Picture shows broken line at East Main & El Dorado, 60.2' from downstream manhole location.
29 E. Plymouth HWY Inspected upstream and located root intrusion at 4' and
60.5' in line from lateral. Removed tree root intrusion at 4'. Unable to remove the lateral tree roots. Length of line 97.4' at Raymond manhole.
Maintenance clean from school out to HWY. Hydro jetted various locations. Maintenance to be continued. Map with details will be provided after completion of maintenance.
Hydro jetting 13.75 275.00 3,781.25 Camera Inspection
10/26/2023 313 W. Marlette
Located the City connection. Ran transmitter from under house due to no cleanout on site.
Transmitter ran out to lawn area. Marked with green paint. Located the tap location in street and marked with green paint by sidewalk. Located at 27' West of property line.
B. Influent Headworks
The influent flow meter needs repair. Filter screen cleaned daily. The high-level alarm is tested daily
C. AERATION
All pond aerators working for the month of October.
D. Castle Oaks Golf Course
The spray fields were operated 24 out of 31 days of the month of October. Zone 2 and Zone 4 were utilized on the days the spray field was operated. The effluent is applied evenly.
E. Farmer's Irrigation - No spraying in October
5. MAINTENANCE AND REPAIR
Agenda Item #F6 (B)
Maintenance and Repair is a critical component of the overall operations of the wastewater treatment facilities. Waterstone Services is working closely with the City of lone maintenance staff to assure that critical tasks are identified and corrected in a timely manner.
The following critical tasks were completed this month:
• ADDED OIL AND GREASE TO ALL BLOWERS
• CHECKED EYE WASH STATIONS, REPAIRED
• CHECKED FIRE EXTINGUISHERS MONTHLY
• SEWER LINE CLEANING AS REQUIRED
• ROAD BERM COMPLETED
• CHLORINE TANK ARRIVED, NEEDS PLUMBING
• REVIEWING SSMP
• CREATING JSAFOR THE FACILITIES
• SHAPE INSTALLED PUMP RUNNIG WELL
• LEVEL SENSOR ON ORDER METER AND SPEED DIAL RECEIVED
• INFLUENT PUMP AT WASTEWATER FACILITY SERVICED
• STAIRS PAINTED AND LABELED WITH CAUTION SIGNS
• SAFETY SIGNAGE POSTED AT BOTH FACILITIES
• SENT SLUDGE TO DRYING BED
• CLEANED UP ANY SLUDGE OVERFLOW
• ALL MONTHLY SAMPLES COMPLETED
• CALIBRATION OF METERS AND PROBES, AND OTHER QA/QC TASKS • CREATED, IMPLEMENTED AND UPDATED SOP MANUALS
• MET WITH REGULATORS AND ENGINEERS ON SITE IMPROVMENTS • ALL EQUIPMENT CHECKED DAILY
ITEMS REQUIRING CLIENT APPROVAL
ITEM CRITICALITY STATUS COMPLETION DATE
Chlorine Analyzer HIGH APPROVED N/A
CO Level sensor MEDIUM APPROVED N/A
Poly Pump Speed Dial HIGH APPROVED N/A
Chlorine Tank Plumbing MEDIUM APPROVED N/A
6. PROCESS CHEMICALS
The process chemical inventory (chlorine, polymer) are the bulk of chemicals used at the plant. We are oping racishics used are perato rask to on a data dosage rates for all process chemicals are
SOLIDS DISPOSAL
Sludge is separated from water and deposited in the solids sludge drying bed
8. SAFETY
Agenda Item #F6 (B)
Safety of the Waterstone Services staff, and the facility itself is a critical concern. Safety meetings topics for the month of October included: Hands on generator training with Hometown Generator's.
We are pleased to report that there were no workplace accidents or injuries in the past month.