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CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION <br /> ORDER NO. 92-150 <br /> NPDES NO. CA0082929 FEB 2 2 1393 <br /> ENVIRONMENTAL HFALTH <br /> WASTE DISCHARGE REQUIREMENTS PERMIT/SERVICES <br /> GENERAL ORDER FOR DISCHARGE <br /> OF GROUND WATER FROM CLEANUP OF <br /> PETROLEUM FUEL POLLUTION <br /> TO SURFACE WATERS <br /> The California Regional Water Quality Control Board, Central Valley Region, <br /> (hereafter Board) finds that: <br /> 1 . The presence of fuel constituents in the ground water at various sites <br /> throughout the region poses a threat to existing and potential beneficial <br /> uses of the ground water. As responsible parties investigate and <br /> remediate these sites, the number of ground water cleanups of fuel <br /> constituents is increasing. Remediation at many of these site includes <br /> ground water treatment, with discharge of the treated ground water. This <br /> permit covers the discharge of treated ground water, from cleanups of fuel <br /> constituents, to waters of the United States. <br /> 2. The discharge of wastewater from a ground water treatment system to <br /> navigable water, other than through a community wastewater collection and <br /> treatment system, is a discharge of waste that could affect the quality of <br /> the waters of the United States. <br /> 3. Wastewater from a ground water cleanup can include the following: <br /> a. Treated ground water which had been polluted with fuel constituents, <br /> b. Unpolluted ground water pumped from beneath a layer of free product <br /> in order to establish a cone of depression to aid in the containment <br /> and extraction of the free product, <br /> C. Potentially polluted ground water extracted during short- and long- <br /> term pump tests, <br /> d. Potentially polluted well development water, <br /> e. Potentially polluted purge water prior to well sampling. <br /> These wastewaters may be produced and treated on a continuous or batch <br /> basis. <br /> 4. The Board may prescribe requirements for any discharge, in accordance with <br /> Section 13263 of the California Water Code. <br /> 5. A Notice of Intent must be filed for each discharge in order to be <br /> eligible for coverage under this Order. The Notice of Intent shall <br />