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J� INFO -)NLY COMM. #16 2/12/85 <br /> LZ C-01 <br /> ,STATE OF CALIFORNIA <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD— <br /> CENTRAL VALLEY REGION ,,, o <br /> 3201 S STREET <br /> SACRAMENTO,CALIFORNIA 95816-7090 <br /> PHONE: (916)445-0270 a= - n1 <br /> 4 February 1985 �c <br /> z -c <br /> Are, G, <br /> Fre � <br /> Mr. George C. Barber, Chairman S '70 <br /> San Joaquin County Board of Supervisors QN ? :- <br /> 222 East Weber Ave. , Room 701 'OVA�01() <br /> Stockon, CA 95202 <br /> WASTEWATER INJECTION WELLS IN SAN JOAQUIN COUNTY <br /> Board Chairman Hugh Johns has asked me to answer your questions <br /> concerning wastewater injection wells in San Joaquin County. <br /> SMS Vegetable Briners has prepared a tentative proposal to <br /> install an injection well for disposing of brine wastes . They <br /> have not applied for waste discharge requirements , but have <br /> applied for an Underground Injection Control permit from the <br /> Environmental Protection Agency ( EPA) . The EPA is currently <br /> processing this request. <br /> One set of Waste Discharge Requirements (Order No. 83-039 ) has <br /> been issued to Occidental Chemical Company for three injection <br /> wells adjacent to its former Lathrop facility, which is now owned <br /> by J.R. Simplot Company. Those wells re-inject ground water that <br /> has been extracted and treated to remove pesticide contamination. <br /> There are no other waste discharge requirements regulating <br /> wastewater injection wells in San Joaquin County. <br /> Federal legislation created the Underground Injection Control <br /> ( UIC ) program. The UIC regulations define specific classes of <br /> wastewater injection wells and specify regulatory and permitting <br /> requirements for each class. The EPA will be administering the <br /> UIC program for all classes of injection wells except those <br /> associated with re-injecting brines produced from the drilling of <br /> oil and gas production wells. These wells (designated Class II ) <br /> will be regulated by the California Department of Conservation, <br /> Division of Oil and Gas ( DOG) . <br /> Since EPA will be regulating and permitting all new existing <br /> injection wells , in most cases , the Regional Board will not be <br /> issuing waste discharge requirements for these wells . The <br /> Regional Board will be reviewing and commenting on the UIC <br /> permits prepared by EPA . In cases where the Regional Board <br /> concerns cannot be addressed within the UIC permit, the Board <br /> will then issue waste discharge requirements. <br /> ,I` <br />