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WASTE DISCHARGE REQUIREMENTS ORDER NO. -11- <br /> RODNEY AND GAYLA SCHATZ <br /> MOKELUMNE RIM VINEYARDS <br /> SAN JOAQUIN COUNTY <br /> 12. A 100-foot buffer zone shall be maintained between any domestic or irrigation well and the <br /> wetted area produced during process wastewater application. <br /> 13. Discharges to land application areas shall be managed to minimize both erosion and runoff <br /> from the irrigated area. <br /> 14. The resulting effect of the wastewater discharge on the soil pH shall not exceed the buffering <br /> capacity of the soil profile and shall not cause significant mobilization of soil constituents <br /> such as iron and manganese. <br /> 15. Application of wastewater to the land application areas via flood irrigation shall only occur <br /> on furrows graded so as to achieve uniform distribution, minimize ponding and provide for <br /> tailwater control. Furrow runs shall be no longer and slopes shall be no greater than what <br /> permits reasonably uniform infiltration and maximum practical irrigation efficiency. The <br /> minimum furrow slope shall not be less than 0.2 percent. <br /> 16. Wastewater application areas shall be allowed to dry for at least 72 hours from the end of <br /> wastewater application. <br /> 17. There shall be no standing water in the land application areas 24 hours after wastewater is <br /> applied, except during periods of heavy rains sustained over two or more consecutive days. <br /> E. Solids/Sludge Disposal Requirements: <br /> 1. Collected screenings, sludge, and other solids removed from winery wastewater shall be <br /> disposed of in a manner that is consistent with Title 27, Division 2, Subdivision 1 of the <br /> CCR and approved by the Executive Officer. <br /> 2. Winery sludge and other solids shall be removed from the process equipment, sumps, etc. as <br /> needed to ensure optimal operation and adequate hydraulic capacity. Winery solids drying <br /> operations, if any, shall be designed and operated to prevent leachate generation. <br /> 3. Storage and disposal of domestic wastewater sludge (septage) shall comply with existing <br /> Federal, State, and local laws and regulations, including permitting requirements and <br /> technical standards. <br /> 4. Sludge and other solids shall be removed from septic tanks as needed to ensure optimal <br /> operation and adequate hydraulic capacity. A duly authorized carrier shall haul sludge, <br /> septage, and domestic wastewater. <br /> 5. Any proposed change in solids use or disposal practice from a previously approved practice <br /> shall be reported to the Executive Officer at least 90 days in advance of the change. <br /> F. Groundwater Limitations: <br /> V:\San loaquin_Nonli\SWIMbriairSmI luaquin\Mo[clumnc Rim Vincyads\WDRr I.dx <br />