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

Illinois Drought

Olney

System Information

System Description

East Fork Lake is the only active source, and its water is piped directly to the treatment plant. Clarifiers limit plant capacity to 2.23 mgd. All other sources are unused and would need repairs before reactivation.

Satellite Communities and Water Districts

Kincade Acres Mobile Home Park, Noble, Parkersburg, Watergate Subdivision, and West Liberty-Dundas WD
Locator map for Olney

Population Served:

12000

County:

Richland

Watersheds:

Little Wabash
Water Source
Name Type Stream DA (sq mi) SA (ac) Capacity Year Est. Est. 2010 Cap. (ac-ft)
East Fork Lake IR E Fk Fox R 10.4 930 12460 1978 12205

1989 Study:

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

USGS Gages:

No data available

Developments since 1989:

Volunteer measurements of lake depth have shown that reservoir sedimentation has been minimal since the 1980s due to construction of grass waterways and buffer strips upstream. There are plans to double the capacity of the 2.23 mgd treatment plant in the next few years.
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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