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

Illinois Drought


System Information

System Description

Cedar Lake, the only regular source, supplies up to 17 mgd to the system. The Carbondale (City) Reservoir is available as an emergency source.

Satellite Communities and Water Districts

Buncombe, Crab Orchard, Giant City State Park, Lakeside RWD, South Highway WD, and Southern Illinois University
Locator map for Carbondale

Population Served:





Big Muddy
Water Source
Name Type Stream DA (sq mi) SA (ac) Capacity Year Est. Est. 2010 Cap. (ac-ft)
Cedar Lake IR Cedar Cr 30 2065 28365 1978 26577
Carbondale Res. IR Piles Fk Big Muddy 2.99 120 1193 1948 711.5

1989 Study:

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

USGS Gages:

No data available

Developments since 1989:

Limited access to Cedar Lake makes it less prone to sedimentation. The development of rural water districts in southern Illinois has reduced the system's water demand.
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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