To: Board of Supervisors
From: Warren Lai, Public Works Director/Chief Engineer
Report Title: On-Call Amendment with Geosyntec Consultants, Inc., Countywide. Project No. 7517-6W7263
☒Recommendation of the County Administrator ☐ Recommendation of Board Committee

RECOMMENDATIONS:
APPROVE and AUTHORIZE the Public Works Director, or designee, to execute a contract amendment with Geosyntec Consultants, Inc., effective March 15, 2024, to increase the payment limit by $100,000 to a new payment limit of $330,000 and extend the term through March 31, 2025, for on-call stormwater consulting services.
FISCAL IMPACT:
This project is funded by 100% Stormwater Utility Area Assessment Funds.
BACKGROUND:
The County Watershed Program (CWP) is responsible for implementing measures to reduce trash/litter and other pollutants of concern found in local waterways in unincorporated Contra Costa County. As such, CWP requires routine and on-call assistance with coordination and support for implementing the Contra Costa County Green Infrastructure Plan and for control measures and activities related to provisions C.11, Mercury Controls, C.12, Polychlorinated Biphenyls Controls, in order to comply with the Municipal Regional Stormwater NPDES (National Pollutant Discharge Elimination System) Permit (MRP) from the California Regional Water Quality Control Board, San Francisco Bay Region (Water Board).
CONSEQUENCE OF NEGATIVE ACTION:
Without the approval of this contract by the Board of Supervisors, Contra Costa County will be out of compliance with the MRP from the Water Board.
cc: Allison Knapp, Deputy Public Works Director, allison.knapp@pw.cccounty.us
Tim Jensen, Flood Control, tim.jensen@pw.cccounty.us
Michele Mancuso, Flood Control, County Watershed Program, Michele.Mancuso@pw.cccounty.us
Jennifer Joel, Flood Control, County Watershed Program, Jennifer.Joel@pw.cccounty.us
Rachelle Untal, Flood Control, Rachelle.Untal@pw.cccounty.us
Catherine Windham, Flood Control, catherine.windham@pw.cccounty.us