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

Illinois Drought

Kaskaskia Water District

System Information

System Description

Up to 2.23 mgd is pumped from an intake in the Kaskaskia River directly to the treatment plant. A second intake in a junction box can be activated during floods. The treatment plant could process 3.3 mgd if they upgraded their river pumps. The Washington County WC, the system's largest customer, also receives half of its water from Rend Lake.

Satellite Communities and Water Districts

Lenzburg, Marissa, New Athens, Peabody Coal Co., Tilden, and Washington County WC
Locator map for Kaskaskia Water District

Population Served:

25528

County:

St. Clair

Watersheds:

Kaskaskia
Water Source
Name Type Stream DA (sq mi) SA (ac) Capacity Year Est. Est. 2010 Cap. (ac-ft)
Kaskaskia River RW Kaskaskia R 5181

1989 Study:

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

USGS Gages:

Kaskaskia River near Venedy Station (05594100)

Developments since 1989:

The system has begun cleaning an area around its intake with a track hoe semi-annually to prevent sedimentation problems. A new coal power plant (Peabody Energy Campus) is expected to join the system upon completion (~5 years). The district also has attempted to use an old strip mine as an off-channel reservoir or settling basin.
Chart of Annual Raw Water Production (mgd)

Notes and Terminology

Vulnerability Report

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Illinois State Water Survey

2204 Griffith Dr
Champaign, IL 61820-7463
217-244-5459
info@isws.illinois.edu

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