Consent Item 4h
STAFF REPORT
City Council Consent Item
DATE: June 16, 2025
TO: Honorable Mayor and Council Members
FROM: Bob Natt, Interim Public Works Director/General Services Superintendent THROUGH: Amy Nilsen, City Manager
SUBJECT: Public Works/Engineering Department Monthly Report for May 2025 STAFF RECOMMENDATION:
Receive report as an informational item.
EXECUTIVE SUMMARY:
Stormdrain Lining Project
The City’s contractor to mobilize and completed the PVC lining portion of the project in early June.
Annual Contracts
The City’s Annual Maintenance Contracts of concrete, paving, and striping were awarded. The Concrete Contractor is GRS Inc, the Paving Contractor is Mercer Fraser, and the Striping Contractor is Darren Taylor Construction.
Interim Public Works Director
Participated with the Lead Utility Worker, Utility Worker II/III, and Public Works Director interviews. Held Public Works meeting with the Utility Superintendent, Chief Plant Operator, Deputy City Engineer, and Engineer Tech.
Traffic Signal Classes
The Interim Public Works Director took a two-day renewal class for certificates. Brandon Craig and Ryan Fraga took the four-day class to obtain their Temporary Traffic Work Zone and Traffic Signal Technician I certificates.
12th Street Interchange
Staff met the 12th Street Interchange Coordinators for continued discussion on the project.
Kenmar Interchange
Staff met with consultants on the Kenmar Interchange Project. The topic of discussion was the right of ways for the City, County and State.
Consent Item 4h
Update DOT Information
Staff are in the process of updating the biannual Federal Motor Carrier Safety information sheet.
Secondary Clarifier
The contract was awarded, awaiting start date notification.
Digester
Project was put out to bid on May 12.
Valve Replacement & Carson Woods Road Projects
Project was put out to bid on May 19.
Park EV Chargers
The installation of two EV charging stations has begun.
Utilities Division
Water Distribution System
• The utilities crew read meters, changed out 17 dead meters, and completed the meter worksheet.
• Backflow testing is ongoing.
• The utilities crew upgraded 7 single port radios and 9 dual port radios. • The utilities crew changed out one bad angle valve.
• Hydrant flushing continues, however with short staffing levels this will take longer than usual to complete. 46 Hydrants were flushed this month. • The utilities crew installed two new water services.
• The utilities crew completed 25 shutoffs for nonpayment. • The Utilities crew flushed 46 hydrants, there were zero water leaks, the following table shows the total water used while flushing:
Table 1. Water leaks in May 2025
Wastewater Collection System
• There were three sewer plugs, two customer laterals, and one main line, they did not result in any SSOs.
Date Location Pipe
Information
Estimated
Leak Rate
(Gallons per
Minute)
Leak
Duration
Total
Estimate
Leak
Volume
(Gallons)
5/1-4/31 Hydrant Flushing
water used
875,475
TOTAL: 875,475
Consent Item 4h
• There were zero SSOs.
• The utilities crew cleaned 4,275ft of sewer lines.
• Two sewer laterals were inspected using the CCTV push camera. • The utilities division continues to develop a list of FOG (Fats, Oils, and Greases) producing businesses which will be inspected annually for discharge compliance.
Service Call Summary
• Underground Service Alert (USA): There were zero miss-marked USAs. • The utilities division completed a total of 121 Service calls. Figure 1 shows the breakdown by type.
Figure 1: Service call breakdown
Miscellaneous Tasks
• The Utilities division continues to add GIS locations of water meters in unusual locations or locations that frequently get overgrown with brush or buried in dirt/gravel, to assist with finding them in the future more quickly.
• Mike McGinnis will be attending a Backflow Testers Certification course held in Eureka next month.
Water Treatment/Wastewater Division- Chief Plant Operator Wastewater Treatment
Table 2. May wastewater plant effluent flows for the past five years in Million Gallons (MG) and Million Gallons per Day (MGD).
30 23
24 44
CONNECTS
OCCUPANT CHANGES
DISCONNECTS
SERVICE ACTIONS
0 10 20 30 40 50
Service Calls By Type
Connects
Occupant Changes
Disconnects
Service Actions
Year 2021 2022 2023 2024 2025
Total Monthly Flow, MG 28.730 34.410 29.980 36.86 24.470 Maximum Daily Flow, MGD 1.100 1.990 1.260 2.920 1.010
Average Monthly Flow, MGD 0.927 1.110 0.967 1.189 0.789 Consent Item 4h
Figure 2. May wastewater plant effluent flows for the past five years in Million Gallons (MG) and Million Gallons per Day (MGD).
Wastewater Events & Maintenance Tasks Completed:
• Contractors completed annual rehabilitation work on the percolation ponds. Staff switched effluent discharge from Strongs Creek to the ponds well before the May 15 deadline, as regulated by the State Water Resources Control Board.
• Staff installed a new grit pump #2. Staff cleaned and repainted the pump and motor base and rebuilt the drive motor.
• Staff spent considerable time on facilities maintenance at all city stations. • Staff replaced belts, aligned pulleys and welded cracked motor frames on the headworks bio-filter blowers.
• Staff replaced motor bearings, impeller, wear plate and drive belts on RAS pump #3. • Staff replaced the drive bearing on Clarifier #5.
Water Treatment
Table 3. May potable water production for the past five years in Million Gallons (MG).
Figure 3. May potable water production for the past five years in Million Gallons (MG). 0 5
10 15
20 25
30 35
40 0
0.5 1
1.5 2
2.5 3
3.5 2021 2022 2023 2024 2025
Total Flow, MG
Flow, MGD
Total Monthly Flow, MG MAX Daily Flow, MGD AVG Daily Flow, MGD 0 0.5
1 1.5
2 0
10 20
30 40
50 2021 2022 2023 2024 2025
Flow, MGD
Production, MG
Production Max Daily Avg Daily
Year 2021 2022 2023 2024 2025
Total Production, MG 39.004 30.259 29.234 31.864 33.187 Maximum Daily, MG 1.652 1.767 1.465 1.669 1.514
Average Daily, MG 1.258 0.976 0.943 1.027 1.070
Consent Item 4h
Table 4. Average May depth-to-groundwater static levels in the City’s active wells for the past five years in feet.
Figure 4. Average May depth-to-groundwater static levels in the City’s active wells for the past five years in feet.
Water Events & Maintenance Tasks Completed:
• Staff replaced bearings in Home Ave booster pump #1.
General Services and Streets - General Services Superintendent The following is a list of scheduled assignments completed by the General Services staff in May:
• Staff rodded culverts and mucked drainage ditches on
Newburg Road.
• Staff removed excess furniture from the onboarding
office at City Hall. Staff placed new traction tape on
the back steps of City Hall.
• Staff continued to repair and replaced boards on the
grandstands. Staff installed new isolation valves in the arena. Staff pressure washed and started to recoat with paint. Staff worked up the arena for the horse
community to ride (see photo inset right).
• Staff repaired the failed light switches at the
Corporation Yard.
• Staff cut and chipped low hanging brush on Carson
Woods Road.
• Staff placed No Parking cones for the first two
Farmers Markets on 10th Street.
• Staff were called out after hours to realign the traffic signal on Main and 12th Street. • Staff mowed the tall vegetation in the overflow swale on Rohner Creek to reduce chances of fire hazard for the Fourth of July. Staff mowed the large field on River Walk Drive across from Comfort Inn. Staff removed the tall vegetation on the western bank of Fortuna Boulevard.
• Staff were called to clean the drainage inlet and street on 14th Street. 0 20
40 2021 2022 2023 2024 2025
Static Level, ft
Well #1 Well #2 Well #4 Well #5
Year 2021 2022 2023 2024 2025
Well #1 28.3 27.3 25.2 26.6 27.1
Well #2 26.4 22.9 22.3 23.5 24.1
Well #4 31.2 29.2 27.8 29.1 29.8
Well #5 33.4 31.5 29.2 30.8 31.6
Consent Item 4h
• In addition to the special tasks noted above, staff also engaged in the following regular routine maintenance activities including USA’s, street sweeping, recycling and trash management, collect batteries at City Hall, road maintenance, Dog Park maintenance, vegetation management including sniping of curbs, and safety training and inspections.
Staff is available for questions, requests, and emergency responses to the community.
RECOMMENDED COUNCIL ACTION:
Receive Public Works Department Monthly Report. Consent Agenda vote.