Facilites and Transportation Committee
WATER POLLUTION
CONTROL DIVISION CIP
UPDATE
Facilities & Transportation Committee, April 09 2026 1
Facility
Overview
1 AGENDA
CIP Plan
Overview
2 Nutrient
Reduction Plan
3 Sanitary Sewer
System
4 Implementation
Next Steps
5 Facilities & Transportation Committee, April 09 2026 2 S
ERVINGTHE
COMMUNITY
Wehavebeenproudlyservingthe
communityforover85years. TheCity’s
wastewatertreatmentplanthasbeen in
operationsince1939,andthemost
recentupgradewascompleted in2017. ~5 Million Gallons per Day (MGD) Facilities&TransportationCommittee,April 0920263
CITY SEWER
SERVICE AREA
Oro Loma Sanitary District
Sanitary District
125 miles of sewer pipeline
12 Lift Stations
One Treatment Plant
Facilities & Transportation Committee, April 09 2026 4
WASTEWATER TREATMENT
Water Pollution Control Division has a mission of protecting public health and the environment through the collection, treatment, and disposal of treated wastewater and processed solids.
COLLECT
TREAT DISPOSE
Facilities & Transportation Committee, April 09 2026 5
TREATMENT PROCESS
Mechanical Biological Chemical
Facilities & Transportation Committee, April 09 2026 6
1.Respond to changing regulations
2.Maintain a high-functioning, reliable system
3.Set a basis for ongoing cash flow management
10 Year Plan
Approved in 2024
Nutrient Reduction Sanitary Sewer Repair &
Replacement
CIP PLAN OVERVIEW
$97,000,000
Facilities & Transportation Committee, April 09 2026 7
NUTRIENT
REDUCTION
Facilities & Transportation Committee, April 09 2026 8
SECTION TITLE
PAGE STYLE 1
Facilities & Transportation Committee, April 09 2026 9
PRIORITY PROJECTS
Treatment Wetland Aeration Basin
Reconfiguration
Sidestream
Facilities & Transportation Committee, April 09 2026 10 Facilities & Transportation Committee, April 09 2026 11
PILOT IN PROGRESS
Project uses advanced technology to prepare the water
Provides energy efficiency in a smaller footprint and lower installation costs
Unit is currently being tested at the WPCP
Facilities & Transportation Committee, April 09 2026 Pg_ ________ Meeting Date ___1_2_
NEXT STEPS
1.Phase 2 Design
2.Bid
3.Contracting
4.Phase 2 Construction
Facilities & Transportation Committee, April 09 2026 13 A
ERATION
BASIN
Utilizestandbyaerationbasin
Createtwo-stepprocessfor
removingnitrogen
Estimatedprojectcost, including other needed improvements in the ar ea:
$12,000,000
Facilities&TransportationCommittee,April 09202614
SID
ESTREAM
Waterremovedfromsolids
processing isnutrientrich
Treatingby itself ismoreefficient
Newtechnologiesavailablemay
capturenutrient inuseful form
Needmoreresearch- identify
technologiestopilot
Only installed ifnecessary
Costsdependentontechnology
Facilities&TransportationCommittee,April 09202615
SANITARY
SEWER SYSTEM
Facilities & Transportation Committee, April 09 2026 16 125 miles of pipeline
Material is mostly clay
Aging infrastructure
$2,000,000 Budgeted per year
SEWER SYSTEM
Facilities & Transportation Committee, April 09 2026 17
SEWER PIPELINE REPAIR
1 2
3 Project starting soon will fix 72 problems, replace
7 pipes and upgrade 30 manholes.
Research sources of inflow & infiltration
Updating software to improve how issues are
identified and tracked for fix/replacement
Facilities & Transportation Committee, April 09 2026 18 Requires additional support for program management,
design, and construction management
Completed an RFQ to identify qualified firms to assist
with capital projects
Establishing contracts with firms streamline design and construction phases
CIP IMPLEMENTATION
Facilities & Transportation Committee, April 09 2026 19 On Call Agreements
3 Firms-Design: $3M each
3 Firms-Construction Management: $1.5M each
1 Firm-Project Management: $800K
CIP IMPLEMENTATION
COST
Facilities & Transportation Committee, April 09 2026 20 QUESTIONS?
Facilities & Transportation Committee, April 09 2026 21