Health Effects of Groundwater with Recycled Water in Los Angeles, County California
Abstract:The Water Replenishment District of Southern California (WRD) manages the Central and West Coast Groundwater Basins in southern Los Angeles County. The mix of replenishment water that recharges the basins consists of a blend of three sources: local storm water runoff, imported untreated potable water from Northern California and the Colorado River, and recycled water produced from tertiary water reclamation plants. WRD commissioned two consecutive epidemiologic studies to investigate the rate of health outcomes in the area receiving some recycled water with control areas with similar demographic characteristics that receive no recycled water. Using a cohort study design, the first study examined the incidence of mortality, cancer and infectious diseases. The follow-up study evaluated the incidence of selected birth outcomes. The results do not generally support the hypothesis of an association between residence in an area receiving recycled water and higher rates of adverse health outcomes.
Document Type: Research Article
Publication date: 2000-01-01
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