Drought Vulnerability of Illinois' Community Surface Water Systems, Illinois State Water Survey

Illinois Drought

Gateway Regional Water Supply

System Information

System Description

The Gateway Regional Water Supply expects to begin pumping water from Carlyle Lake to more than 15,000 people in Flora and eight other communities and rural water districts in early 2008. Patoka and Vernon will receive service later in 2008.

Satellite Communities and Water Districts

Flora, Alma, Clay Co. WC, FMC WC, Iuka, NE Marion Co. WC, Raccoon WC, and Xenia
Locator map for Gateway Regional Water Supply

Population Served:



4 Counties**


Water Source
Name Type Stream DA (sq mi) SA (ac) Capacity Year Est. Est. 2010 Cap. (ac-ft)
Carlyle Lake* IR Kaskaskia R 2712 26000 32692 1976

1989 Study:

Not in existence in 1989.

USGS Gages:

Kaskaskia River at Vandalia (05592500)

Developments since 1989:

A proposed ethanol plant in Salem has expressed interest in obtaining 2 mgd from Gateway.
Chart of Annual Raw Water Production (mgd)
Note: *The capacity of Carlyle Lake listed is the volume allocated only for water supply. **The system will serve communities in Clay, Fayette, Marion, and Wayne counties.

Notes and Terminology

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Illinois State Water Survey

2204 Griffith Dr., MC-674
Champaign, IL 61820-7463
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