SITE INFORMATION AND CORRESPONDENCE CASE 2

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WASTE DISCHARGE REQUIREATS ORDER NO. • -6- PAT MITCHELL AND CALIFORNIA NATURAL PRODUCTS WASTEWATER TREATMENT AND DISPOSAL FACILITY SAN JOAQUIN COUNTY Land Application Area Facility Area Analytes Units MWl MW2 MW3 AverageA-C BOD mg/l 136:2 4.3 4.4 6.3 TDS mg/l 1,25543 1,46763 1,3553 1,6333 Fixed IDS mg/l 1,204-.-0 964M 1,0403" 1,31763 NO3asNitrate mg/1 1543:8 168:8 1351 2033 Chloride mg/l 924-:6 1520 252" 116:0 Potassium mg/1 3.4 3.4 4.8 7.3 Sodium mg/l 2483 2213 1943.6 26764 Elea Cond. µmhos/cm 2,249 2,392 2,304 2,46763 32.31. These WDRs further require evaluation of shallow groundwater conditions, including background water quality and direction of groundwater movement throughout the year. 33:32. Employee showers and newer restrooms are piped to the domestic wastewater lift station where it is pumped to the City of Lathrop's collection? anteea's tr-eat...e... system. Domestic wastewater is not co-mingled with the process water that is land applied. Some of the older restrooms are connected to septic tanks. 34:33. Stormwater collected at paved areas and loading docks is piped to the wastewater treatment system. Stormwater which falls on buildings is discharged to stormwater retention basins. 3334. 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 stormwater is treated and disposed of with process wastewater. 36:35. Surrounding land uses are primarily industrial, agricultural, and residential. 3-7�36. The Board adopted a Water Quality Control Plan, Fourth Edition, for the Sacramento River and San Joaquin River Basins (hereafter Basin Plan), which contains water quality objectives for all waters of the Basin. These requirements implement the Basin Plan. ' &37. Surface water drainage is to the San Joaquin River. 39.38. The beneficial uses of the San Joaquin River are municipal and agricultural supply, industrial process and service supply, contact and other noncontact recreation,warm and coldwater freshwater habitat, warm and cold migration habitat, warm water spawning, wildlife habitat, and navigation.