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WASTE DISCHARGE REQUIREWNTS ORDER NO. 4 ` <br /> EARNIE AND MARY SCHENONE <br /> SCHENONE SPECIALTY FOODS,INC. <br /> SAN JOAQUIN COUNTY <br /> 20. The Clements water supply well is located approximately 1,000 feet southwest of the CDD facility. <br /> Selected water quality parameters are presented in the table below: <br /> Constituent Units Concentration <br /> Calcium mg/L 13 <br /> Magnesium mg/L 8 <br /> Sodium mg/L 10 <br /> Potassium mg/L 5 <br /> Sulfate mg/L 4 <br /> Chloride mg/L 11 <br /> Nitrate mg/L 2.3 <br /> PH Std. Units 6.4 <br /> EC µmho/cm 198 <br /> TDS mg/L 140 <br /> EC denotes Electrical Conductivity. TDS denotes Total Dissolved Solids. <br /> 21. All portions of the CDD facility are outside the 100-year flood zone. <br /> 22. The facility lies within the Lower Mokelurnne Hydrologic Unit Area No. 531.20, as depicted on <br /> interagency hydrologic maps prepared by the Department of Water Resources in August 1986. <br /> Groundwater Degradation <br /> 23. State Water Resources Control Board (SWRCB) Resolution No. 68-16 (hereafter Resolution 68-16 <br /> or the "Antidegradation Policy") requires the Regional Board in regulating the discharge of waste to <br /> maintain high quality waters of the state (i.e., background water quality) until it is demonstrated that <br /> any change in quality will be consistent with maximum benefit to the people of the State, will not <br /> unreasonably affect beneficial uses, and will not result in water quality less than that described in <br /> the Regional Board's policies (e.g., quality that exceeds water quality objectives). <br /> 24. The Regional Board finds that the Discharger has not demonstrated that it is to the maximum <br /> benefit to the people of the State of California to degrade groundwater, and therefore groundwater <br /> depredation is not allowed under this Order. <br /> 25. This wastewater treatment facility provides treatment and control of the discharge that includes <br /> primary and biological treatment in a grease trap, septic tank, and secondary tank from which <br /> wastewater will be pressure dosed to a leachbed or gravity fed into a leachfield/seepage pit system <br /> where additional physical and biological treatment will occur. <br /> 26. A standard septic tank and leachf eld system provides minimal treatment of wastewater and is <br /> highly dependent upon proper management and waste constituent attenuation in the disposal field to <br /> prevent pollution of groundwater and to protect beneficial uses. While the Basin Plan conditionally <br /> allows septic tanks with leachfield systems for areas of rural development, it includes the <br /> expectation of optimal site selection and conservative design that meet the minimum guidelines, and <br /> attentive and judicious operation and maintenance. This Order allows discharge of industrial waste <br /> Vr%San Ioa4oin NailS\Sva06ricnT,Snn fWwuin1Chwoholia�WDR r2.dm <br />