Large-Scale Conjunctive Use of the San Gabriel Basin: An Environmentally Beneficial Water Supply Project

by Jonathan Harris, Groundwater Resources Dep Manager, Santa Ana, United States,
Timotheus Hampton, Groundwater Resources Dep Manager, Santa Ana, United States,

Document Type: Proceeding Paper

Part of: Water Management in the '90s: A Time for Innovation


The 170-square-mile San Gabriel Basin in Los Angeles County, California, has commanded the attention of both water supply and environmental agencies because: (1) it is an idyllic natural water storage facility with almost 10 million acre-feet of storage that is currently used to meet the needs of about one million residents, and (2) it contains one of the largest areas of groundwater contaminated with volatile organic compounds (VOCs) in the world. The Metropolitan Water District of Southern California (Metropolitan) is evaluating a project designed to more effectively use this resource in the management of Southern California's water supply, in a manner consistent with the U.S. Environmental Protection Agency's (EPA's) remedial objectives in the basin.

Subject Headings: Water pollution | Water supply | Groundwater pollution | Water storage | Water supply systems | Water resources | Basins | California | United States | Los Angeles

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