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Fact Sheet 2012–3064

Prepared in cooperation with the Louisiana Department of Transportation and Development

Water Resources of Allen Parish

By Lawrence B. Prakken , Jason M. Griffith, and Robert B. Fendick, Jr.

Thumbnail of and link to report PDF (1.15 MB)Abstract

In 2005, approximately 29.2 million gallons per day (Mgal/d) of water were withdrawn in Allen Parish, Louisiana, including about 26.8 Mgal/d from groundwater sources and 2.45 Mgal/d from surface-water sources. Rice irrigation accounted for 74 percent (21.7 Mgal/d) of the total water withdrawn. Other categories of use included public supply, industrial, rural domestic, livestock, general irrigation, and aquaculture. Water-use data collected at 5-year intervals from 1960 to 2005 indicate water withdrawals in the parish were greatest in 1960 (119 Mgal/d) and 1980 (98.7 Mgal/d). The substantial decrease in surface-water use between 1960 and 1965 is primarily attributable to rice-irrigation withdrawals declining from 61.2 to 6.74 Mgal/d.

This fact sheet summarizes information on the water resources of Allen Parish, La. Information on groundwater and surface-water availability, quality, development, use, and trends is based on previously published reports listed in the Selected References section.

First posted June 18, 2012

For additional information contact:
Director, USGS Louisiana Water Science Center
3535 S. Sherwood Forest Blvd., Suite 120
Baton Rouge, LA 70816

http://la.water.usgs.gov/

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Suggested citation:

Prakken, L.B., Griffith, J.M., and Fendick, R.B., Jr., 2012, Water resources of Allen Parish: U.S. Geological Survey Fact Sheet 2012–3064, 6 p.


Contents

Introduction

Groundwater Resources

Chicot Aquifer System

Evangeline Aquifer

Jasper Aquifer System

Surface-Water Resources

Selected References


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