Ground Water: An Overview
CED-77-69
Published: Jun 21, 1977. Publicly Released: Jun 21, 1977.
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Highlights
Ground water presently supplies about 20 percent of fresh water used in the United States, and although it is plentiful, little more than one quarter of it is available for use with present extraction techniques. Dependence on ground water varies according to locality, with 2 percent of Montana's water and 62 percent of Arizona's coming from ground water.
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AquifersConservationNatural resourceslocal relationsWater resources conservationWater rightsWater supply managementGroundwaterWater managementWater supply