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PA- 2100126 and PA- 2200232 Project - 4 - 9 January 2023 <br /> San Joaquin County <br /> https : //www . waterboards . ca . gov/centralvalley/water issues /water quality certificatio <br /> n / <br /> Waste Discharge Requirements = Discharges to Waters of the State <br /> If USAGE determines that only non -jurisdictional waters of the State ( i . e . , " non - <br /> federal " waters of the State ) are present in the proposed project area , the proposed <br /> project may require a Waste Discharge Requirement (WDR ) permit to be issued by <br /> Central Valley Water Board . Under the California Porter- Cologne Water Quality <br /> Control Act , discharges to all waters of the State , including all wetlands and other <br /> waters of the State including , but not limited to , isolated wetlands , are subject to <br /> State regulation . For more information on the Waste Discharges to Surface Water <br /> NPDES Program and WDR processes , visit the Central Valley Water Board website <br /> at : https : //www , waterboards . ca . gov/centralvalley/water issues/waste to surface wat <br /> e r/ <br /> Projects involving excavation or fill activities impacting less than 0 . 2 acre or 400 <br /> linear feet of non -jurisdictional waters of the state and projects involving dredging <br /> activities impacting less than 50 cubic yards of non -jurisdictional waters of the state <br /> may be eligible for coverage under the State Water Resources Control Board Water <br /> Quality Order No . 2004 - 0004 - DWQ ( General Order 2004 - 0004 ) . For more <br /> information on the General Order 2004 - 0004 , visit the State Water Resources <br /> Control Board website at : <br /> https : //www . waterboards . ca . gov/ board decisions / adopted orders/water quality/200 <br /> 4/wg o /wq o2004 - 0004 . pdf <br /> Dewatering Permit <br /> If the proposed project includes construction or groundwater dewatering to be <br /> discharged to land , the proponent may apply for coverage under State Water Board <br /> General Water Quality Order ( Low Threat General Order) 2003 - 0003 or the Central <br /> Valley Water Board ' s Waiver of Report of Waste Discharge and Waste Discharge <br /> Requirements ( Low Threat Waiver) R5 - 2018 - 0085 . Small temporary construction <br /> dewatering projects are projects that discharge groundwater to land from excavation <br /> activities or dewatering of underground utility vaults . Dischargers seeking coverage <br /> under the General Order or Waiver must file a Notice of Intent with the Central <br /> Valley Water Board prior to beginning discharge . <br /> For more information regarding the Low Threat General Order and the application <br /> process , visit the Central Valley Water Board website at : <br /> http : //www , waterboards . ca . gov/ board decisions/ adopted orders /water quality/2003 / <br /> wq o /wg o2003 - 0003 . pdf <br /> For more information regarding the Low Threat Waiver and the application process , <br /> visit the Central Valley Water Board website at : <br /> https : //www . waterboards . ca . gov/ centralvalley/ board decisions/adopted orders/waiv <br /> e rs/ r5 - 2018 - 0085 . pdf <br /> Limited Threat General NPDES Permit <br /> If the proposed project includes construction dewatering and it is necessary to <br /> discharge the groundwater to waters of the United States , the proposed project will <br />