COMPLIANCE INFO_2023 CVRWQCB WASTER DISCHARGE REQUIREMENTS

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DRAFT [TENTATIVE] WASTE DISCHARGE REQUIREMENTS ORDER R5-2023-00XX 17 FORWARD, INC. FORWARD LANDFILL SAN JOAQUIN COUNTY Well Program Water- Bearing Zone Status Residential Domestic Wells (See Attachment H) DW-9690, 7898-A, 8106-A Corrective Action Intermediate Operational See Glossary for definitions of terms and abbreviations in table. Notes: 1.Piezometers sampled only if the associated “A” well is dry. 2.Shallow wells are screened at elevations greater than -50 feet relative to MSL. 3.Intermediate wells are screened at elevations of -50 to -125 feet relative to MSL. 4.Deep wells are screened at elevations less than -125 feet relative to MSL. 5.Point of Compliance wells are MW-1A, MW-13A, MW-14A, MW-15, MW-21, MW-25, MW-26 and AMW-5R. 6.The Residential Domestic Wells are listed here in corrective action as part of Cleanup and Abatement Order (CAO) R5-2017-0703. All sampling and reporting of the Domestic Well Sampling Program must follow the guidelines as set forth from CAO. The requirement to sample these wells can only be changed with rescission of the CAO. 49.As of the date of this Order, the Facility’s unsaturated zone monitoring network consists of the existing and proposed monitoring points listed in Table 4. See Monitoring Network Map in Attachment D. 50.Landfill units built after 2001 are constructed with pan lysimeters below the landfill sump as a final check of the integrity of the base liner. Suction lysimeters were used under pan lysimeters in WMU D-01, WMU D-02, WMU FU-03, WMU FU-04S, WMU FU-05S, and WMU FU-06S. The use of suction cup lysimeters has been discontinued starting with WMU FU-19 and they will not be installed on any future WMUs. Table 4—Unsaturated Zone Monitoring Network Monitoring Point Device Type Program Monitored Unit Status E-1, E-2, W-1, W-2 Suction Lysimeter Detection F North Operational