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C PA-10300550(QX) -2 - 7 April 2004 activities. Section 401 of the federal Clean Water Act requires that;the project proponent for any project that impacts stuface watets of the United States (such asstreams and wetlands).must request a401 Wates Q4rahtyGertl i tt6 thp� o akjkard W7_1�afi a R POW p_ ity Certr6catrtih'apj�hcationTfie udflnes are as fo a 1 1, iptdauce (Is the project the least environmentally damagm practicable alternatne?) 2. mini%ation(Does the project minimize any adverse effects�to the impacted wetlands?) 3. Mitigation (Does project mitigate to assure a no net loss of functional values?) Dewatering Permit The proponent may required to file a Dewatering Permit covered under WDRs General Order for Dewatering.and Other Low Threat Discharges to Surface Waters Permit, Order No. 5-00-175 (NTPDES CAG995001). The following discharges may be covered by this permit providedtheydo not contain significartt quantities of pollutants and are either(1) four months or less in duration, or(2) the average dry weather discharge does not exceed 0.25 million gallons per.day(mgd): a_ Well development water b. Construction dewatering C. Pump/well testing d. Pipehne/tank pressure testing e. Pipeline/tank flushing or dewatering f. Condensate discharges g. . Water Supply system discharges h. Miscellaneous dewatering/low threat discharges Industrial Stormwater Permit Depending on the Standard Industrial Classification(SIC) code of the final project, compliance with the NPDES General Permit No. CAS000001 for Discharges of Storm Water Associated With Industrial Activities may be required. The SIC codes of activities requiring coverage are listed in the General Permit. In order to obtain coverage by the General-Permit, the proponent must submit a Notice of Intent to comply with the permit (NOI) to the State Water Resources Control Board and an SWPPP must be prepared. Section 404 Permit If the project will involve the discharge of dredged or fill material into navigable waters or wetlands, a permit pursuant to Section 404 of the Clean Water Act may be needed from the US Army Corps of Engineers. If a Section 404 permit is required by the Corps; the Board will review the permit application ►- to ensure that discharge will not violate water quality standards. If the project requires surface water drainage realignment, the applicant is advised to contact the Department of Fish and Game for information on Streambed Alteration Permit requirements. If a Section 404 permit is required, the " proponent must apply to the Regional Board for a Water Quality Certification under Section 401. w.�AartobnmllSan Iwpui.vA�s Gvrvwn�ap a Eoc