SITE INFORMATION AND CORRESPONDENCE CASE 2

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WASTE DISCHARGE REQUIREMENTS ORDER NO.R5-2003-0141 CALIFORNIA NATURAL PRODUCTS -8- WASTEWATER TREATMENT FACILITY SAN JOAQUIN COUNTY 48. The majority of industrial activities at the facility are not exposed to storm water, because they are housed indoors. CNP is coded under the Standard Industrial Classification system as 2099, Food Preparations,Not Elsewhere Classified. Therefore, for the purpose of coverage under the NPDES General Permit for Discharges of Storm Water Associated with Industrial Activity, CNP is considered to be a Conditional Industry. The Discharger has completed and filed a Notice of Non-Applicability that certifies that storm water associated with industrial activity does not discharge to waters of the United States. This stonnwater is treated and land applied with process wastewater. 49. Surface water drainage is to the San Joaquin River. BASIN PLAN, BENEFICIAL USES, AND REGULATORY CONSIDERATIONS 50. The Water Quality Control Plan for the Sacramento River and San Joaquin River Basins, Fourth Edition (hereafter Basin Plan) designates beneficial uses, establishes water quality objectives, contains implementation plans and policies for protecting waters of the basin, and incorporates by reference plans and policies adopted by the State Water Resources Control Board. Pursuant to Section 13263(a) of the California Water Code, waste discharge requirements must implement the Basin Plan. 51. The beneficial uses of the San Joaquin River(within the Sacramento San Joaquin Delta Hydrologic Area) are municipal and domestic supply, agricultural irrigation and stock watering, industrial process and service supply, contact recreation, other noncontact recreation, warm fresh water habitat, cold fresh water habitat, warm water migration, cold water migration,warm water spawning, wildlife habitat, and navigation. 52. The beneficial uses of underlying groundwater are municipal and domestic supply, agricultural supply, industrial service supply, and,industrial process supply. 53. State Water Resources Control Board (State Board)Resolution No. 68-16 requires that the Regional Board, in regulating the discharge of waste, must maintain high quality waters of the state until it is demonstrated that any change in quality will be consistent with maximum benefit to the people of the State, will not unreasonably affect beneficial uses, and will not result in water quality less than that described in the State Board's policies (e.g., quality that exceeds water quality objectives). Resolution 68-16 also requires that the discharge be required to meet waste discharge requirements which will result in the best practicable treatment or control (BPTC) of the discharge to assure that pollution or nuisance will not occur and the highest water quality consistent with the maximum benefit to the people of the State be maintained. 54. The Regional Board has considered antidegradation pursuant to State Board Resolution No. 68-16 and finds that not enough data exists to determine whether this discharge is consistent with those provisions. Background groundwater conditions are not yet defined at the 17.6 acre land application area. Therefore, this Order provides a schedule for data collection to determine whether the discharge will cause an increase in groundwater constituents above that of background levels. Because the Discharger has only reestablished cropping at the 17.6 acre land application area in 2001, a decrease in the groundwater concentration over time is anticipated. If the discharge