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

Illinois Drought


System Information

System Description

Water is withdrawn from Lake Coulterville and pumped directly to the treatment plant at up to 400 gpm. Lake Coulterville also supplies the Black Beauty Coal Company's Gateway mine with potable water.

Satellite Communities and Water Districts

Locator map for Coulterville

Population Served:





Water Source
Name Type Stream DA (sq mi) SA (ac) Capacity Year Est. Est. 2010 Cap. (ac-ft)
Lake Coulterville IR S Fk Mud Cr Trib 1.22 30.5 188 1954 150.2

1989 Study:

20-year drought yield insufficient at 1990 level of water use.

USGS Gages:

No data available

Developments since 1989:

Water supply implications for a possible expansion of the coal mine are unknown. In 1990, the community replaced the distribution system after only 40% of all raw water withdrawals were billed in 1988 and 1989.
Chart of Annual Raw Water Production (mgd)
Note: *Water withdrawals declined in the 1990s since the distribution system had much lower loss rates after its renovation in 1990.

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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