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WASTE DISCHARGE REQUIRL�NTS ORDER NO. R5-2004-0079 4 <br /> SPENKER RANCH,INC. <br /> JESSIE'S GROVE WINERY <br /> SAN JOAQUIN COUNTY <br /> so the proposed loading rate, assuming that wastewater is evenly applied over the entire area, <br /> should be protective of groundwater. However, the Discharger is required to install and sample <br /> groundwater monitoring wells to show that the system is operating as designed and that <br /> groundwater is protected. <br /> 19. Although the Discharger only proposed to apply treated process wastewater to 70 acres of land, this <br /> Order allows the Discharger to apply the treated wastewater to any cropped land within its 320 acre <br /> parcel, as long as it first submits an Operation and Management Plan for the additional cropped <br /> land. <br /> SOLID WASTE <br /> 20. Solid/semi-solid wastes such as pomace (skins, seeds, pulp, stems, etc. resulting from the grape <br /> crush), and wine settlement and filter cake media(bentonite and diatomaceous earth) are generated <br /> by the processing operations. Such solid/semi-solid wastes are segregated from the process <br /> wastewater stream for separate handling and disposal. The pomace is spread in the vineyards as <br /> compost and/or tilled into the vineyards as a soil amendment. The amount of diatomaceous earth <br /> generated is small and can be applied to the vineyards or land application area. <br /> 21. Screened solids will be used as animal feed or composted and reapplied to vineyards or other land <br /> application area. Sludge and scum removed from the industrial wastewater system septic tank will <br /> be discharged to a municipal wastewater treatment system or land applied. <br /> GROUNDWATER CONDITIONS <br /> 22. A soil boring was drilled on 7 November 2002. The boring was hand augured to a depth of 22 feet <br /> and a groundwater sample was collected. The analytical results are presented below: <br /> Constituent Units Concentration <br /> Sodium mg/L 19 <br /> Chloride mg/L 6.0 <br /> Electrical Conductivity µmhos/cm 191 <br /> Nitrate as N mg/L 1.09 <br /> Total Dissolved Solids mg/L 160 <br /> 23. An on-site domestic well supplies domestic and process water for the facility. The RWD does not <br /> describe the depth of the well or its screened interval. The well was sampled on 17 April 2002; the <br /> analytical results are presented below: <br /> Analyte Units Concentration <br /> Sodium mg/L 8.0 <br /> Chloride mg/L 9.0 <br /> Electrical Conductivity µmhos/cm 230 <br /> Nitrate as N mg/L 0.7 <br /> Total Dissolved Solids mg/L 147 <br />