To: Board of Supervisors
From: Warren Lai, Public Works Director/Chief Engineer
Report Title: ADOPT Resolution approving participation in the Contra Costa County Regional Alternative Compliance Joint Powers Authority and the Joint Powers Agreement.
?Recommendation of the County Administrator ? Recommendation of Board Committee
RECOMMENDATIONS:
ADOPT Resolution approving a joint exercise of powers agreement, effective July 1, 2026, establishing the Regional Alternative Compliance (RAC) Joint Powers Authority (JPA) separate from its member agencies, the County, and participating cities within the County, and taking related actions, to develop and operate stormwater treatment projects voluntarily funded by private developers to comply with the Municipal Regional Stormwater National Pollutant Discharge Elimination System permit issued by the San Francisco Bay Regional Water Quality Control Board, Permit No. CAS612008.
FISCAL IMPACT:
There is minimal immediate fiscal impact for the initial RAC System. Future costs will be incorporated into relevant project costs. Associated costs funded 100% by Stormwater Utility Area 17 Funds. Project No. 7517-6W7095.
BACKGROUND:
The Contra Costa Clean Water Program (CCCWP) was established in 1991 by Contra Costa municipalities in anticipation of municipal stormwater permitting requirements under the federal Clean Water Act and California water quality laws, with encouragement from regional water regulators. CCCWP is a collaborative program composed of 19 Contra Costa cities and towns, the unincorporated County, and the County Flood Control and Water Conservation District (Flood Control District), whose main objective is to jointly implement National Pollutant Discharge Elimination System (NPDES) stormwater permit requirements. Some permit provisions are most cost-effective to implement on a regional basis, such as water quality monitoring, public education, and special studies.
The County RAC System is an innovative, regionall...
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