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Oil, Gas & Geothermal - Injec ' n Wells <br />Division. Before a permit is issued, the proposed injection project is <br />studied by Division engineers and reviewed by the appropriate <br />Regional Water Quality Control Board. Division engineers evaluate the <br />geologic and engineering information, solicit public comments, and <br />hold a public hearing, if necessary. Injection project permits include <br />many conditions, such as approved injection zones, allowable injection <br />pressures, and testing requirements. <br />Are Injection Wells Safe? <br />Yes. Class II injection wells provide a viable and safe method to <br />enhance oil and gas production and dispose of produced fluids and <br />other fluids associated with oil- and gas -production operations. In <br />California, Class 11 injection wells have an outstanding record for <br />environmental protection. A peer review conducted by a national <br />organization, the Ground Water Protection Council, found the Division <br />has an excellent program that effectively protects underground <br />sources of drinking water. <br />Related Links: <br />US Environmental Protection_ Agency <br />EPA - Protection of Environment and Water <br />Ground Water Protection_ Council <br />Conditions of Use I Privacy Policy <br />Copyright © 2007 State of California <br />Page 3 of 3 <br />A Typical Injection Wel <br />The average injection well <br />about 5,000 ft. deep (abou <br />mile). <br />About 25,000 injection wells <br />in California. <br />60% of the oil produced i <br />California is a result of inject <br />http://www.conservation.ca.gov/dog/general_information/Pages/class_injection_wells.aspx 6/29/2009 <br />