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Lower Mississippi-Gulf Water Science Center -- Louisiana

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Rapides Parish

Abstract

Rapides Parish, located in central Louisiana, contains fresh groundwater and surface-water resources. In 2005, about 443 million gallons per day (Mgal/d) were withdrawn from water sources in Rapides Parish. About 92 percent (409 Mgal/d) was withdrawn from surface water, and 8 percent (34 Mgal/d) was withdrawn from groundwater. Withdrawals for power generation accounted for 91 percent (403 Mgal/d) of the total water withdrawn. Withdrawals for other uses included public supply (27 Mgal/d), irrigation (9 Mgal/d), and aquaculture (3 Mgal/d). Water withdrawals in the parish generally increased from 1960 to 1995 and decreased from 1995 to 2005. This fact sheet summarizes basic information on the water resources of Rapides Parish, La. Information on groundwater and surface-water availability, quality, development, use, and trends is based on previously published reports listed in the references section.

Fact Sheet

Water Resources of Rapides Parish, Louisiana

References

Newcome, Roy, Jr., and Sloss, Raymond, 1966, Water resources of Rapides Parish, Louisiana: Department of Conservation, Louisiana Geological Survey, and Louisiana Department of Public Works Water Resources Bulletin no. 8, 104 p.

Sargent, B.P., 2007, Water use in Louisiana, 2005: Louisiana Department of Transportation and Development Water Resources Special Report no. 16, 133 p.

Smoot, C.W., and Fendick, R.B., Jr., 1998, Hydrogeology and water resources of the Alexandria area, Rapides Parish, Louisiana: Louisiana Department of Transportation and Development Water Resources Technical Report no. 63, 36 p., 1 pl.

Tomaszewski, D.J., 2007, Ground-water resources in Rapides Parish, Louisiana, 2005: Louisiana Department of Transportation and Development Water Resources Technical Report no. 75.

U.S. Environmental Protection Agency, 1992, Secondary drinking water regulations—guidance for nuisance chemicals: U.S. Environmental Protection Agency publication EPA 810/K- 92-001, 4 p.

U.S. Environmental Protection Agency, 2006, 2006 Edition of the drinking water standards and health advisories: Washington D.C., U.S. Environmental Protection Agency, Office of Water, 12 p.

U.S. Geological Survey, 2008a, Ground-water levels for Louisiana: U.S. Geological Survey digital dataset

U.S. Geological Survey, 2008b, Water-quality samples for Louisiana: U.S. Geological Survey digital dataset

U.S. Geological Survey, 2008c, StreamStats: U.S. Geological Survey digital dataset

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