ARCHIVED REPORTS_RPT OF WASTE DISCHARGE FOR WASTEWATER DISPERSAL 2011

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REPORT OF WASTE DISCHARGE- APPENDIX D Diamond Pet Food Processors of Ripon,LLC June 30,2011 Report of Waste Discharge—Antidegradation Analysis Page 3 of 14 anticipated beneficial use of such water and will not result in water quality less than that prescribed in the policies. 2. Any activity which produces or may produce a waste or increased volume or concentration of waste and which discharges or proposes to discharge to existing high quality waters will be required to meet waste discharge requirements which will result in the best practicable treatment or control of the discharge necessary to assure that(a) a pollution or nuisance will not occur and(b)the highest water quality consistent with maximum benefit to the people of the State will be maintained. 1987 POLICY MEMORANDUM In 1987, the State Water Resources Control Board(SWRCB) issued a policy memorandum to the Regional Water Quality Control Boards (RWQCB) to provide guidance on the application of the federal antidegradation policy for SWRCB and RWQCB actions, including establishing water quality objectives, issuing National Pollution Discharge Elimination System(NPDES)permits, and adopting waivers and exceptions to water quality objectives or control measures. In conducting these actions, the RWQCBs must assure full protection of existing instream beneficial uses, that the lowering of water quality is necessary to accommodate important economic or social development, and that outstanding national resource waters be maintained and protected. ADMINISTRATIVE PROCEDURES UPDATE 90-004 In 1990, the SWRCB issued guidance to the RWQCBs for implementing Resolution No. 68-16 in NPDES permitting in Administrative Procedures Update (APU) 90-004. Because APU 90-004 applies specifically to NPDES permitting actions, its application is limited to surface water discharges. As such, it does not apply to this Project, because the wastewater will not be discharged to surface waters. WATER QUALITY STANDARDS GROUNDWATER BENEFICIAL USES AND OBJECTIVES In California, "basin plans"prepared by the RWQCB describe beneficial uses and their corresponding water quality objectives (defined per federal regulations as water quality standards). A significant difference between the state and federal programs is that California's basin plans establish standards for ground waters in addition to surface waters. 010070.00, Task I Lawrence&Associates w:I clients)diamond pet foods1010107.00-ripon rowdldiamondpet_rowdjune2011_draft.docx