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

Illinois Drought

Lake Shannon, Inc.

System Information

System Description

The IEPA considers Lake Shannon to be a groundwater under the direct influence of surface water (GWUDI) community water system. Water is withdrawn from a manhole located approximately 10 feet from this lake, which lies in a former mining pit (average depth of 45 feet). Only 90 of the community's 196 homes are occupied year-round.

Satellite Communities and Water Districts

None
Locator map for Lake Shannon, Inc.

Population Served:

521

County:

Kankakee

Watersheds:

Illinois
Water Source
Name Type Stream DA (sq mi) SA (ac) Capacity Year Est. Est. 2010 Cap. (ac-ft)
Lake Shannon QBP Lake Shannon 80 3600

1989 Study:

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

USGS Gages:

No data available

Developments since 1989:

Lake Shannon's level does not fluctuate very much during droughts. The lake only dropped one foot during the 1988-1989 drought.
Chart of Annual Raw Water Production (mgd)
Note: *Lake Shannon, Inc. began reporting its surface water use to the Illinois Water Inventory Program in 1989, but the system already was using the source prior to that date.

Notes and Terminology

Vulnerability Report

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Illinois State Water Survey

2204 Griffith Dr., MC-674
Champaign, IL 61820-7463
217-333-2210
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