SITE INFORMATION AND CORRESPONDENCE

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CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD CENTRAL VALLEY REGION ORDER NO. 98-136 WASTE DISCHARGE REQUIREMENTS FOR CALIFORNIA CONCENTRATE COMPANY = WASTEWATER TREATMENT AND DISPOSAL FACILITY SAN JOAQUIN COUNTY The California Regional Water Quality.Control Board, Central Valley Region, (hereafter Board) finds that: 1. California Concentrate Company (hereafter Discharger) submitted a Report of Waste Discharge, dated 12 August 1997, site evaluation reports dated 29 November 1996 and 20 December 1996, and additional information in a technical report dated 28 October 1997 and a letter dated 20 March 1998 for their wastewater treatment and disposal facility. California Concentrate Company is operated by Dennis and Andy Alexander. The property (Assessor's Parcel Nos. 017-090-31, 017-090116 and 013-070-19)is owned by Dennis and Roberta Alexander. 2. The facility is in Section 31,T4N,R7E,MDB&M, with surface water drainage to the Mokelumne River,as shown in Attachment A,which is attached hereto and part of the Order by reference. 3. Waste Discharge Requirements Order No. 76-242, adopted by the Board on 17 December 1976,prescribes requirements for a discharge from a food products processing facility to four evaporation and percolation ponds. 4. Order No. 76-242 is neither adequate nor consistent with current plans and policies of the Board. 5. California Concentrate Company processes grapes and barley. Water is supplied by an on-site well. Grapes are processed into grape juice or grape juice concentrate at intervals throughout the year,however the heaviest production occurs from late July to early November. Grapes are crushed and the juice is sold or concentrated for wine malting by others. Processing consists of washing, crushing and pressing, centrifugal filtration,and if concentrates are produced, evaporation. The most significant wastewater flows during the grape season are wash down water and condensate water from the evaporator. Throughout the year,barley is processed for malt extract for use in beer making by others. The heaviest production times are from early November through late July. Barley processing is done in batches and consists of preparing a mash by soaking the grain in very hot water, draining out the malt liquid,then concentrating it in the evaporator. The most significant wastewater flows from producing malt extract are condensate water and process cleanup water.