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CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD CENTRAL VALLEY REGION ORDER NO. 5-00-021 WASTE DISCHARGE REQUIREMENTS FOR RJM ENTERPRISES, dba BROWNS LAKE RANCH AND RIVERCREST VINEYARDS, INC. SAN JOAQUIN COUNTY The California Regional Water Quality Control Board, Central Valley Region, (hereafter Board) finds that: 1. RJM Enterprises dba Rivercrest Vineyards, Inc. and Browns Lake Ranch(hereafter Discharger) submitted a Report of Waste Discharge (RWD) dated 29 July 1998 for installation of a new winery and wastewater disposal system. Supplemental information was submitted through 20 August 1998. 2. RJM Enterprises owns Rivercrest Vineyard Inc. Browns Lake Ranch, a partnership between Paul McManis and Bill Reeves, is the property owner. Rivercrest Vineyard is leasing the property for the winery facility from Browns Lake Ranch. 3. The winery is on 16.3 acres of a 301 acre parcel (Assessor's Parcel No. 245-220-13) in Section 15, T2S, R8E,MDB&M, at 18700 East River Road, approximately 0.75 miles north and 1.75 miles east of the City of Ripon in San Joaquin County. Approximately 47 acres of the 301 acres were subdivided and dedicated to the winery, as recorded on 7 October 1999. Approximately 177 acres are presently utilized for vineyards,the remainder of the land is almond orchards. The almond orchards may be converted to vineyards with the winery expansion. The location of the winery is shown on Attachment A, which is attached hereto and is made part of this Order by reference. 4. Activities at the winery include receiving, crushing and pressing of grapes, fermentation, processing into finished wines,bottling, and distribution. Wastewater is discharged from these activities to a process sump which pumps the wastewater to an unlined pond. Stormwater also drains to the process sump where it is pumped to the unlined pond. In addition to the process wastewater and stormwater, the unlined pond also receives irrigation water from approximately 15 acres of land served by tile drains. The unlined pond location is presented on Attachment B, which is attached hereto and made part of this Order by reference. 5. Pomace and other grape wastes (skins, seeds,pulp, and stems) from the primary fermentation process in the winery are sold commercially or are sent to adjacent vineyards (owned by Browns Lake Ranch and/or RJM Enterprises) where they are composted and tilled into the soil. The secondary fermentation process produces lees consisting of yeasts and solids coagulated with bentonite and settled. After filtration,these wastes are hauled off-site as a solid waste. The filtrate is returned to the body of the blend.