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• i <br /> INFORMATION SHEET <br /> ORDER NO. 5-00-021 <br /> RJM ENTERPRISES, dba BROWNS LAKE RANCH AND RIVERCREST VINEYARDS, INC. <br /> SAN JOAQUIN COUNTY <br /> Rivercrest Vineyards, Inc. (Rivercrest) operates a winery at 18700 East River Road,northeast of Ripon <br /> in San Joaquin County. The winery is on a 301 acre parcel owned by Browns Lake Ranch, which <br /> consists primarily of vineyards. In July 1998,Rivercrest submitted a Report of Waste Discharge and <br /> the appropriate filing fee for installation of a new winery. Operations at this winery are proposed to <br /> expand in five phases over the next eight years. Maximum discharges from the winery will be <br /> approximately 150,000 gallon per day and will occur during the crush season, generally between <br /> August and October. <br /> Grape wastes from the primary fermentation process in the winery are sent to the vineyard where they <br /> are tilled into the soil, or are hauled off-site to a compost facility. Wastes from the secondary <br /> fermentation process are filtered and then hauled off-site as a solid waste. <br /> Wastewaters from the winery are screened and are discharged to a holding pond, which covers <br /> approximately 2 acres. The holding pond is also used to collect stormwater runoff and irrigation <br /> collected from the tile drains in the adjacent almond orchards. The Discharger will cease pumping tile <br /> drain water to the pond by 1 March 2000. Excess wastewater may be reclaimed for irrigating the <br /> adjacent vineyards and almond orchards. <br /> Depth to shallow groundwater is approximately 20 to 25 feet. The shallow soils are sandy,'silts to <br /> silty/sands with relatively high permeability rates. Process water is obtained from an on-site supply <br /> we4. There are no groundwater monitoring wells at the facility. Preliminary groundwater quality data <br /> indicate elevated levels of nitrates and total dissolved solids. <br /> Under these waste discharge requirements, effluent,pond, and groundwater monitoring will be <br /> required. Groundwater monitoring wells will be installed to monitor shallow groundwater. A <br /> determination of whether groundwater has been impacted by pond discharges shall be made. <br /> Monitoring data will be used to determine whether wastewater treatment and/or pond mitigation efforts <br /> are necessary. <br /> Tro <br /> 1/28/00 <br /> CAMy Da mu\MSD0C\WSW\TR04vcinf0.dm <br />