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 4 of 14 The applicable basin plan for the Project site is The Water Quality Control Plan (Basin Plan)for the California Regional Water Quality Control Board Central Valley Region, Fourth Edition, Revised September 2009 (with approved amendments): The Sacramento River Basin and the San Joaquin River Basin. The Basin Plan gives this description of the beneficial uses of groundwater: "Unless otherwise designated by the Regional Water Board, all ground waters in the Region are considered as suitable or potentially suitable, at a minimum,for municipal and domestic water supply (MUN), agricultural supply (AGR), industrial service supply (IND), and industrial process supply (PRO). " The Basin Plan contains the following objectives for all groundwater of the Sacramento and San Joaquin River Basins. The objectives do not require improvement over naturally occurring background concentrations. The groundwater objectives in the Basin Plan are not required by the federal Clean Water Act. • Bacteria: In groundwater used for domestic or municipal supply (MUN) the most probable number of coliform organisms over any seven-day period shall be less than 2.2/100 ml. • Chemical Constituents: At a minimum, groundwater designated for use as domestic or municipal supply(MUN) shall not contain concentrations of chemical constituents in excess of the maximum contaminant levels (MCLS) specified in the following provisions of Title 22 of the California Code of Regulations, which are incorporated by reference into this plan: Tables 64431-A (Inorganic Chemicals) and 64431-B (Fluoride) of Section 64431, Table 64444-A (Organic Chemicals) of Section 64444, and Tables 64449-A(Secondary Maximum Contaminant Levels-Consumer Acceptance Limits) and 64449-B (Secondary Maximum Contaminant Levels-Ranges) of Section 64449. Groundwater used for municipal or domestic supply shall not contain lead in excess of 0.015 mg/L. • Radioactivity: At a minimum, groundwater designated for use as domestic or municipal supply(MUN) shall not contain concentrations of radionuclides in excess of the maximum contaminant levels (MCLs) specified in Table 4 (MCL Radioactivity) of Section 64443 of Title 22 of the California Code of Regulations. • Taste and Odor: Ground waters shall not contain taste- or odor producing substances in concentrations that cause nuisance or adversely affect beneficial uses. • Toxicity: Ground waters shall be maintained free of toxic substances in concentrations that produce detrimental physiological responses in human,plant, animal, or aquatic life 010070.00, Task I Lawrence&Associates w:I clients)diamond pet foods1010107.00-ripon rowdldiamondpet_rowdjune2011_draft.docx