To: Board of Supervisors
From: Warren Lai, Public Works Director/Chief Engineer
Report Title: APPROVE a Contract Amendment with Larry Walker Associates, Inc., for Stormwater Quality Services.
?Recommendation of the County Administrator ? Recommendation of Board Committee
RECOMMENDATIONS:
APPROVE and AUTHORIZE the Chief Engineer, Contra Costa County Flood Control and Water Conservation District, or designee, to execute, on behalf of the Contra Costa Clean Water Program, a contract amendment with Larry Walker Associates, Inc., effective June 4, 2024 to increase the payment limit by $850,000, to a new payment limit of $2,265,000 and to extend the contract termination date from June 30, 2025 to December 31, 2025 for Countywide stormwater quality services necessary to comply with federal and state stormwater permit requirements issued under the National Pollutant Discharge Elimination System Permit, Countywide. (100% Stormwater Utility Assessment Funds)
FISCAL IMPACT:
All costs associated with this contract will not exceed $2,265,000 and will be funded by stormwater utility fee assessments collected by the Cities/Towns and County, proportional to their respective populations.
BACKGROUND:
The Contra Costa Clean Water Program (the "CCCWP") consists of Contra Costa County, its 19 incorporated cities/towns and the Contra Costa County Flood Control and Water Conservation District (hereinafter referred to collectively as "Permittees"). The CCCWP was established in 1991 through a Program Agreement in response to the 1987 amendments to the federal Clean Water Act (the "CWA"), which established a framework for regulating municipal stormwater discharges under the National Pollutant Discharge Elimination System ("NPDES") Permit Program. The United States Environmental Protection Agency (the "USEPA") published final rules implementing the 1987 CWA amendments in November 1990. The rules mandate that Permittees obtain and implement stormwater permits designed to reduce and eli...
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