-TO: LINDA REICH, CITY MANAGER
FROM: HYE JIN LEE, PE, DIRECTOR OF PUBLIC WORKS
SUBJECT
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Amendment No. 1 to Professional Services Agreement with Calgon Carbon Corporation for as-needed Granular Activated Carbon (GAC) removal and reactivation services.
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RECOMMENDATION
Approve Amendment No. 1 to the Professional Services Agreement for as-needed Granular Activated Carbon (GAC) removal and reactivation services for the City's Water Treatment Facilities with Calgon Carbon Corporation (Contract 2026-096) for $350,000, for a total annual contract amount not to exceed $500,000; and authorize the City Manager to execute all necessary documents on behalf of the City.
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FISCAL IMPACT
The cost of $350,000 for the additional anticipated services needed for the fiscal year is included in the FY 2025-26 Budget Water Fund (520).
CITY OF CHINO MISSION / VISION / VALUES / STRATEGIC ISSUES
The recommendation detailed above further the City's values and strategic issues that serve as key pillars on which identified priorities, goals, and action plans are built, by fostering:
* Financial Stability
* Responsible Long-Range Planning
Revenue: Click or tap here to enter text.
Expenditure: 5207300-43050
Transfer In: Click or tap here to enter text.
Transfer Out: Click or tap here to enter text.
BACKGROUND
??The City currently uses Calgon Carbon Corporation (Calgon Carbon) to provide Granular Activated Carbon (GAC) removal and reactivation services at the Eastside and Benson Water Treatment Facilities.
?GAC is a critical component of the City's water treatment process, used primarily to remove organic compounds, chlorine, chloramine, taste and odor compounds, and disinfection by-products (DBPs). The City specifically uses GAC to remove 1,2,3-trichloropropane (TCP) from groundwater to meet regulatory standards.
?The City operates 24 carbon filtration vessels, each containing 20,000 pounds of GAC. Over time, the carbon reaches its absorption capacity, referred ...
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