Regional Wastewater Control Facility Modifications Project
The Regional Wastewater Control Facility (RWCF) was constructed over 60 years ago, with some processes reconstructed within the last 20 years.
- Equipment and infrastructure have outlived their useful life.
- Modifications to the RWCF are required to meet new State discharge requirements, extend the useful life of existing facilities, improve working conditions for facility staff, and implement components of the City’s Capital Improvement and Energy Management Plan (CIEMP).
The proposed RWCF modifications include:
- demolition of certain treatment process components and buildings,
- rehabilitation and repurposing of some existing components and buildings, and
- construction of new treatment process components and buildings.
Existing RWCF facilities would remain in operation during construction of new and rehabilitated facilities to ensure continual wastewater treatment services. The improvements would not provide additional wastewater treatment capacity beyond the existing permitted discharge capacity – 55 million gallons per day, average dry weather flow.
RWCF Project Phases
This project is being delivered under a progressive design-build contract which consists of two phases.
- Phase 1 for the design through 65% complete drawings
- Phase 2 for final design and construction.
- Estimated project cost is $190 million.
- Funding for the CIEMP was included in the 2010 Wastewater Rate Study and the approved phased rate increases.
- Funding for the current RWCF Modifications Project is included in the proposed 2019 Wastewater Rate Study.
- A draft environmental impact report (Draft EIR) was prepared for the RWCF Modifications Project to satisfy California Environmental Quality Act (CEQA) requirements. The Draft EIR was circulated for a 45-day public review and comment period beginning November 2, 2018.
- Phase 2A contract amendment (final design only) and the Final EIR, which includes the Mitigation Monitoring & Reporting Program (MMRP) and Findings is scheduled for certification and approval by the City Council on March 26, 2019.
Previous project documents
2017 Sanitary Sewer Maintenance Hole Rehabilitation
Rehabilitation of 29 sanitary sewer maintenance holes throughout the City from corrosion and structural deficiencies.
2016 Sanitary Sewer Rehabilitation Project
Rehabilitation of existing sewer lines deteriorating or inadequately sized. Construction includes the replacement of approximately 1,787 linear feet of 6-inch sewer pipe throughout the City.
For questions on any MUD projects, please Contact Us.
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This City of Stockton web page last reviewed on --- 3/5/2019