AGENDA TITLE:
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Adopt a Resolution Authorizing City Manager to Execute a Three-Year Professional Services Agreement with West Yost & Associates, Inc., of Davis, for Monitoring Well Network Modification Support at White Slough Water Pollution Control Facility ($94,700) (PW)
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MEETING DATE:
September 3, 2025
PREPARED BY:
Public Works Director
recommendation
RECOMMENDED ACTION:
Adopt a Resolution authorizing the City Manager to execute a Three-Year Professional Services Agreement with West Yost & Associates, Inc., of Davis, for Monitoring Well Network Modification Support at White Slough Water Pollution Control Facility in the amount of $94,700.
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BACKGROUND INFORMATION:
The City's 2024 Report of Waste Discharge (ROWD) requested permission from the Regional Board to modify the White Slough Water Pollution Control Facility monitoring well network. The City's monitoring well network consists of eleven compliance wells and three background wells. This network of monitoring wells is relatively extensive compared to other similar agencies conducting land application of recycled water and biosolids. Routine groundwater elevation and water quality data has been collected from all of these wells since 2008, and some even as far back as 1998 - over 25 years.
The City has received approval from the State Regional Water Quality Control Board (RWQCB) to remove the following wells from the monitoring well network: WSM-2, WSM-10, WSM-11, WSM-13, WSM-19, RMW-2 and RMW-3 (Exhibit A). In addition, the City has received RWQCB approval to replace WSM-17R which was damaged in June 2023 during farming operations. The scope of services for this agreement includes well destruction activities for the seven monitoring wells noted above and the construction of a new replacement.
Staff recommends authorizing the City Manager to Execute a Three-Year Professional Services Agreement with West Yost & Associates, Inc., of Davis, for Monitoring Well Network Modifica...
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