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WASTE DISCHARGE REQUIREMEiN IS ORDER NO. 2 <br /> SPENKER RANCH, INC. <br /> JESSIE'S GROVE WINERY <br /> SAN JOAQUIN COUNTY <br /> Compound Units Concentration Rangy <br /> Biochemical Oxygen Demand (BOD5)2 mg/L 3,000—7,000 <br /> Suspended Solids mg/L 200- 800 <br /> Settleable Solids mg/L 5 -20 <br /> PH Std. Units 3 - 5 <br /> Dissolved Oxygen mg/L 0- 9 <br /> Total Nitrogen mg/L 5 - 50 <br /> Total Phosphorus mg/L 2 - 8 <br /> Grease mg/L 5 - 40 <br /> Sulfate mg/L 20- 75 <br /> Total Dissolved Solids mg/L 500- 1,000 <br /> Inorganic Dissolved Solids mg/L 300- 700 <br /> Volatile Dissolved Solids mg/L 200- 700 <br /> ' Typical chemical analyses of winery wastewater from Fall Creek Engineering, Report of Waste <br /> Discharge,February 2004. <br /> Z Five-day,20°Celsius Biochemical Oxygen Demand <br /> WASTEWATER SYSTEM <br /> 7. Wastewater from winery processes such as tank cleaning, grape crushing, barrel washing, and <br /> equipment/floor cleaning is screened to separate wastewater solids, settled, biologically treated in a <br /> 5,000 gallon septic tank, and then discharged to a 0.22-acre subsurface flow wetland. Wastewater <br /> discharged from the wetland can be land applied to a 0.6-acre land application area. The <br /> wastewater treatment equipment, and land application area is presented on Attachment B,which is <br /> attached hereto and made part of this Order by reference. <br /> 8. Stormwater that falls on paved areas and roofs within the winery facility will be collected and <br /> discharged into the wastewater system. The wastewater/stormwater mixture (hereafter known as <br /> "wastewater")will normally be applied to the land application area but if conditions prevent <br /> application in compliance with this Order, then wastewater will flow by gravity into an existing <br /> stormwater pond next to the wetland area. <br /> 9. The wetlands will be constructed as a vegetated submerged bed with a lined bottom to prevent <br /> infiltration. The wetland will be four feet deep. The lower two feet will contain a soil backfill and <br /> wetland gravel substrate, while the upper two feet will provide freeboard in the basin. <br /> 10. Constructed wetlands utilize natural processes involving wetland vegetation, soils, and their <br /> associated microbial assemblages to assist, at least partially, in treating wastewater. The wetland is <br /> anticipated to provide biological treatment of soluble organic matter, removal of BOD constituents <br /> and suspended solids, and reduction of some inorganic dissolved solids. <br /> 11. The wetland has been sized to reduce wastewater nutrients and organic matter by 98-percent. <br /> WAS1alR0b6wT%Swi Joaquin\Jmies Grovc\JwicGrove_WDRdoc <br />