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CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION <br /> ORDER NO. 95-258 <br /> NPDES NO. CA0081931 <br /> WASTE DISCHARGE REQUIREMENTS <br /> FOR <br /> THE DEPARTMENT OF DEFENSE, DEFENSE LOGISTICS AGENCY <br /> DEFENSE DISTRIBUTION REGION WEST <br /> SHARPE LOCATION <br /> INTERIM GROUND WATER CLEANUP SYSTEM <br /> SAN JOAQUIN COUNTY <br /> The California Regional Water Quality Control Board, Central Valley Region, (hereafter Board) finds <br /> that: <br /> 1. The United States Department of Defense, Defense Logistics Agency,Defense Distribution Region <br /> West, Sharpe Location (hereafter Discharger) submitted a Report of Waste Discharge, dated <br /> 26 December 1991, and applied for renewal of a permit to discharge waste under the National <br /> Pollutant Discharge Elimination System (NPDES) from the Interim Ground Water Treatment <br /> System at the Sharpe Defense Distribution Region West (DDRW). Supplemental information to <br /> complete filing of the application was requested on 8 June 1994. A portion of the requested <br /> information was submitted on 10 August 1994, other portions regarding receiving water data are <br /> included in a time schedule in this permit. <br /> 2. The DDRW facility contains areas of contaminated ground water caused by past practices at the <br /> Sharpe location. There are three main areas of contamination; the north balloon, south balloon, <br /> and central area. Cleanup of the ground water is being conducted under the Comprehensive <br /> Environmental Response Compensation and Liability Act (CERCLA). Ground water cleanup for <br /> the south balloon facility began in 1987. Cleanup of the north balloon facility began in 1990. <br /> Central area cleanup began 30 May 1995. Some disposal of treated ground water is on-site under <br /> CERCLA authority. <br /> 3. The discharge is presently governed by Waste Discharge Requirements Order No. 87-026, adopted <br /> by the Board on 23 January 1987. <br /> 4. The Discharger owns and operates a ground water extraction, treatment, and disposal system. The <br /> treatment system is in Section 24, TIS, R6E, MDB&M, as shown on Attachment A, a part of this <br /> Order. Treated ground water is discharged to the South San Joaquin Irrigation District Canal <br /> which flows into French Camp Slough, a water of the United States. A neighboring co-generation <br /> plant reuses up to 500 gpm of Sharpe effluent. Treated wastewater from the central area may, at <br /> the discretion of the.Discharger, be disposed on-site, via shallow injection wells and percolation <br /> ponds, as specified in Substantive Requirements, which are a part of the Record of Decision under <br /> CERCLA. <br />