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<br />. rrtro"g 3fg- <br /> <br />Contractors. During the 1990s, DWR estimates.that the <br /> <br />I <br />( <br />I <br /> <br />amount of entitlement held by the 30 State Water <br /> <br />SWP will be unable to supply fully the requests of the <br /> <br />contractors about 60 percent of the time. <br /> <br />d. SWP supplies could be further reduced <br /> <br />by regulatory proceedings, including the Bay-Delta <br />hearings being conducted by the California State Water <br /> <br />Resources Control Board (SWRCB) and various inquiries by <br /> <br />the United States Environmental Protection Agency (EPA). <br /> <br />3. Los Angeles Aaueduct svstem. Barring an <br /> <br />unforeseen reversal of trends in the courts, Los Angeles <br /> <br />is expected to incur a permanent annual loss of about <br /> <br />80,000 AF on average to protect the environment of Mono <br /> <br />Lake. <br /> <br />4. Local groundwater supplies. <br /> <br />a. Local water sources, primarily <br /> <br />groundwater, currently provide about one-third of the <br /> <br />region's water needs, about 1.3 MAF annually including <br /> <br />235,000 AF of reclaimed water. <br /> <br />b. A recently completed report <br /> <br />(Metropolitan Water District Report ,969, 1987) indicates <br /> <br />that virtually every groundwater basin in the region <br /> <br />contains contaminants to some degree~ Two of the area's <br /> <br />groundwater basins, the San Gabr~e+_Basin and San <br /> <br />Fernando Basin, have been declared Super Fund sites by <br /> <br />the EPA. <br /> <br />c.Contaminationdue to nitrates and <br /> <br />other minerals has reduced groundwater production in <br /> <br />( <br />'-' <br /> <br />-8- <br />