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

Illinois Drought


System Information

System Description

Water from the Kaskaskia River (1700 gpm) and the Washington County Conservation Area (CCA) Lake (500 gpm) is piped to the Nashville Reservoir, located in the Big Muddy watershed, before it is routed to the 2.0 mgd treatment plant at 1400 gpm. No information on Nashville's allocation of water from Washington CCA Lake could be obtained.

Satellite Communities and Water Districts

Hoyleton and New Minden
Locator map for Nashville

Population Served:





Big Muddy, Kaskaskia
Water Source
Name Type Stream DA (sq mi) SA (ac) Capacity Year Est. Est. 2010 Cap. (ac-ft)
Nashville Res. IR Nashville Cr Trib 1 52 400 1979 351.3
Kaskaskia River RW Kaskaskia R
Washington CCA Lk* IR Locust Creek Trib 248 3203.9 2004

1989 Study:

50-year drought yield sufficient at present level of water use.

USGS Gages:

Kaskaskia River near Venedy Station (05594100)

Developments since 1989:

A new 2.0 mgd treatment plant came online in 1996.
Chart of Annual Raw Water Production (mgd)

Notes and Terminology

Vulnerability Report

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Illinois State Water Survey

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