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Lower Mississippi-Gulf Water Science Center -- Louisiana

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Assumption Parish

Abstract

Information concerning the availability, use, and quality of water in Assumption Parish, Louisiana, is critical for proper water-supply management. The purpose of this fact sheet is to present information that can be used by water managers, parish residents, and others for management of this vital resource. Information on the availability, past and current use, use trends, and water quality from groundwater and surface-water sources in the parish is presented. Previously published reports and data stored in the U.S. Geological Survey’s National Water Information System (http://waterdata.usgs.gov/nwis) are the primary sources of the information presented here. In 2010, about 21.4 million gallons per day (Mgal/d) of water were withdrawn in Assumption Parish, including about 12.4 Mgal/d from surface-water sources and 9.03 Mgal/d from groundwater sources. Withdrawals for industrial use accounted for about 16.4 Mgal/d or 76 percent of the total water withdrawn. Other categories of use included public supply, rural domestic, livestock, general irrigation, and aquaculture.Water-use data collected at 5-year intervals from 1960 to 2010 indicated that water withdrawals peaked in 2000 at about 29.7 Mgal/d.

Fact Sheet

Water Resources of Assumption Parish, Louisiana

References

Cardwell, G.T., Sloss, Raymond, and Duncan, A.C., 1965, Water, in Assumption Parish resources and facilities: Louisiana Department of Public Works and Assumption Parish Development Board, p. 25–38.

Hem, J.D., 1985, Study and interpretation of the chemical characteristics of natural water (3d ed.): U.S. Geological Survey Water-Supply Paper 2254, 264 p.

http://water.epa.gov/drink/ contaminants/secondarystandards.cfm

Louisiana Department of Environmental Quality, 2008, Environmental Regulatory Code, Title 33, Part IX, Subpart 1

Sargent, B.P., 2011, Water use in Louisiana, 2010: Louisiana Department of Transportation and Development Water Resources Special Report no. 17, 133 p.

Shampine, W.J., 1970, Gazetteer of Louisiana lakes and reservoirs: Louisiana Department of Public Works Basic Records Report no. 4, 31 p.

Tomaszewski, D.J., 1992, Louisiana hydrologic atlas map no. 5: Quality of freshwater in aquifers of Louisiana, 1988: U.S. Geological Survey Water-Resources Investigations Report 90–4119, 7 sheets

Tomaszewski, D.J., 2003, Ground-water resources along the lower Mississippi River, southeastern Louisiana: Louisiana Department of Transportation and Development Water Resources Technical Report no. 69, 23 p.

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. Geological Survey, 2012a, Water quality samples for Louisiana: National Water Information System Web Interface

U.S. Geological Survey, 2012b, Water Quality Samples for Louisiana [data for USGS 07381002 Bayou Lafourche below weir at Thibodaux, LA]: Nation Water Information System Web Interface

U.S. Geological Survey, 2012c, Water Quality Samples for Louisiana [data for USGS 295500091100000 Lk Verret nr Pierre Part, LA]: Nation Water Information System Web Interface

U.S. Geological Survey, 2013, StreamStats data-collection station report [data for site 07380401 Bayou Lafourche SW of Donaldsonville, LA]

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