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Ms. Mo Hatef -3 - 1 November 2012 <br /> San Joaquin County <br /> 1. Avoidance (Is the project the least environmentally damaging practicable alternative?) <br /> 2. Minimization (Does the project minimize any adverse effects to the impacted wetlands?) <br /> 3. Mitigation (Does the project mitigate to assure a no net loss of functional values?) <br /> Section 404 Permit <br /> If the project will involve the discharge of dredged or fill material into navigable waters or <br /> wetlands, a permit pursuant to Section 404 of the Clean Water Act may be needed from the <br /> US Army Corps of Engineers. If a Section 404 permit is required by the Corps, the Board will <br /> review the permit application to ensure that discharge will not violate water quality standards. If <br /> the project requires surface water drainage realignment, the applicant is advised to contact the <br /> Department of Fish and Game for information on Streambed Alteration Permit requirements. If <br /> a Section 404 permit is required, the proponent must apply to the Regional Board for a Water <br /> Quality Certification under Section 401. <br /> Dewatering Permit <br /> If discharging groundwater to land, the proponent may apply for coverage under Statewide <br /> General Waste Discharge Requirements for Discharges to Land with a Low Threat to Water <br /> Quality, Water Quality Order (WOO) 2003-0003-DWQ. Small temporary dewatering projects <br /> are projects that discharge groundwater to land from small construction projects, excavation <br /> projects, or dewatering of underground utility vaults. Dischargers seeking coverage under the <br /> general order must file with the Regional Water Board as described in the WQO. <br /> If discharging groundwater to surface water or storm drains, the proponent may be required to <br /> file a Dewatering Permit covered under WDRs General Order for Dewatering and Other Low <br /> Threat Discharges to Surface Waters, Order No. R5-2008-0081 (NPDES CAG995001). The <br /> following discharges may be covered by this permit provided they do not contain significant <br /> quantities of pollutants and are either (1) four months or less in duration, or (2) the average dry <br /> weather discharge does not exceed 0.25 million gallons per day (mgd): <br /> 1. Well development water <br /> 2. Construction dewatering <br /> 3. Pump/well testing <br /> 4. Pipeline/tank pressure testing <br /> 5. Pipeline/tank flushing or dewatering <br /> 6. Condensate discharges <br /> 7. Water Supply system discharges <br /> 8. Miscellaneous dewatering/low threat discharges <br /> If you have any questions about the storm water program, please call Steve Rosenbaum at <br /> (916) 464-4631. Additional information is available via the Internet at the Central Valley Water <br /> Board's Storm Water website: <br /> http://www.waterboards.ca.gov/centralvalley/water issues/storm water/ <br />