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Lower Mississippi-Gulf Water Science Center -- Louisiana

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Caddo Parish


In 2005, about 72.9 million gallons per day (Mgal/d) of water were withdrawn in Caddo Parish, Louisiana, including about 7.70 Mgal/d from groundwater sources and 65.2 Mgal/d from surface-water sources. Public-supply use accounted for about 71 percent, and power generation accounted for about 19 percent of the total water withdrawn. Other categories of use included general irrigation, rural domestic, aquaculture, livestock, and industrial. Water-use data collected at 5-year intervals from 1960 to 2005 indicate water withdrawals in the parish peaked in 1965 and generally decreased afterwards, primarily because of reduced surface-water withdrawals for power generation. From 1965 to 2005, surface-water withdrawals for power generation declined from 419 to 14.2 Mgal/d. This fact sheet summarizes basic information on the water resources of Caddo 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 Caddo Parish, Louisiana


McGee, B.D., 2004, Water-quality and bottom-material characteristics of Cross Lake, Caddo Parish, Louisiana, 1997-99: U.S. Geological Survey Water-Resources Investigations Report 03-4135, 101 p.

Page, L.V., and May, H.G., 1964, Water Resources of Bossier and Caddo Parishes, Louisiana: Department of Conservation, Louisiana Geological Survey, and Louisiana Department of Public Works Water Resources Bulletin no. 5, 105 p.

Rapp, T.R., 1996, Ground-water resources of Caddo Parish, Louisiana, 1992: Louisiana Department of Transportation and Development Water Resources Technical Report no. 58, 89 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., 1988, Louisiana hydrologic atlas map no. 3: Altitude of the base of freshwater in Louisiana: U.S. Geological Survey Water- Resources Investigations Report 86-4314, 1 sheet.

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, 2010a, Water Quality Samples for Louisiana [data for USGS 07350500 Red R @ Coushatta, La.]: National Water Quality Information System Web Interface

U.S. Geological Survey, 2010b, Annual water-data report 2008 [for gage 07344370 Red River at Spring Bank, AR]: USGS Water Resources of the United States, Publications—Annual Water Data Reports

U.S. Geological Survey, 2011, Ground-water levels for Louisiana [data for USGS 324207093484801 Cd- 336]: National Water Quality Information System Web Interface

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