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

Illinois Drought

Vandalia

System Information

System Description

Water from Vandalia Lake and the Kaskaskia River is pumped to the treatment plant. Lake and river intakes have pumping capacities of 4.0 and 1.5 mgd, respectively. However, the treatment plant currently can treat just 1.5 mgd.

Satellite Communities and Water Districts

None
Locator map for Vandalia

Population Served:

7010

County:

Fayette

Watersheds:

Kaskaskia
Water Source
Name Type Stream DA (sq mi) SA (ac) Capacity Year Est. Est. 2010 Cap. (ac-ft)
Vandalia Lake IR Bear Cr 26 660 6750.5 1965 6021.3
Kaskaskia River RW Kaskaskia R 1919

1989 Study:

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

USGS Gages:

Kaskaskia River at Vandalia (05592500)

Developments since 1989:

In January 2007, the system reported plans to build a new intake on Vandalia Lake later in the year due to sedimentation problems with the current one. The Vandalia Correctional Center is now part of the water system.
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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