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Groundwater recharge with recycled wastewater is viewed as a necessity inwater-short areas. In California, the coastal overdraft situation is alreadyalarming and threatens to become worse. The purpose of groundwater recharge withrecycled wastewater is to stop declining levels of groundwater, protect thecoastal aquifers against saline intrusions, provide inexpensive storage andtransmission of the recharged water, ameliorate problems of land subsidence, andprovide additional treatment of the recycled water. This paper presents the casestudy of West Coast Basin, which provides about 20% of the potable water supplyin the West Basin Municipal Water District (WBMWD) service area. In order to haltfurther seawater intrusion, the West Coast Basin Barrier Project (WCBBP) wasinitiated by the Los Angeles County Department of Public Works (LADPW) andinvolves the injection of potable water in order to maintain groundwater levelshigh enough to prevent further seawater intrusion. In mid- 1995, WBMWD beganproducing recycled wastewater, which is currently blended with potable waterprior to injection. The main goal of a new R

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Edition: Vol. - No. Published: 01/01/2000 Number of Pages: 15File Size: 1 file , 1.7 MB