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Central Valley Regional Water Quality Control Board <br />21 November 2024 <br />Osvaldo Cordero Via e-mail <br />Environmental Manager <br />Forward Landfill <br />9999 South Austin Road <br />Manteca, CA 95336 <br />REVIEW OF WELL INSTALLATION AND INTERIM REMEDIAL ACTION REPORT, <br />FORWARD INC. AND REPUBLIC SERVICES, FORWARD LANDFILL, SAN <br />JOAQUIN COUNTY <br />Forward Inc., a subsidiary of Republic Services (Discharger) owns and operates the <br />Forward Landfill in San Joaquin County. Waste disposal operations, landfill closure, <br />implementation of corrective actions and groundwater remediation at the Forward <br />Landfill is regulated by Waste Discharge Requirements (WDRs) Order R5-2003-0080, <br />R5-2024-0002 and Cleanup and Abatement Order (CAO) R5-2017-0703 for remedial <br />actions associated with a release of contaminants from the unlined Austin Road Unit. <br />Central Valley Water Board staff have reviewed the Well Installation and Interim <br />Remedial Action Report submitted on 18 October 2024. The report summarizes <br />groundwater extraction and groundwater monitoring well installations activities that <br />occurred on the California Department of Corrections and Rehabilitations (CDCR) <br />property during May, July, and August 2024. The Discharger’s report summarizes well <br />development activities, hydraulic testing, provides a hydraulic interpretation summary <br />based on the testing results, and includes a groundwater capture assessment for <br />groundwater beneath the CDCR facility with concentrations of volatile organic <br />compounds above 25 parts per billion. <br />Additionally, the Discharger’s report contains a proposal for installing an additional <br />groundwater extraction well to a depth of approximately 130 feet below ground surface <br />on the CDCR property along with an ex-situ groundwater treatment system on the <br />CDCR property and conveyance line for treated groundwater to be discharged into the <br />recharge basin located on Forward Landfill’s property south of the CDCR facility. The <br />Discharger anticipates well installation, system construction, and startup/shakedown <br />activities to occur within six months of Central Valley Water Board’s Regional Board <br />approval. The Report requests Board staff’s approval for the additional groundwater <br />extraction well and the proposed design elements for the proposed design elements for <br />the interim remedial groundwater extraction treatment system (GWETS) on the CDCR <br />property.