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

Illinois Drought

Mattoon

System Information

System Description

Water can be pumped to the 7 mgd treatment plant from a 4 mgd intake on Lake Paradise. Lake Mattoon is used to fill Lake Paradise as needed. Lake Mattoon water also is leased to Neoga and the Reliant Energy peaker plant.

Satellite Communities and Water Districts

Humboldt
Locator map for Mattoon

Population Served:

19500

County:

Coles

Watersheds:

Little Wabash
Water Source
Name Type Stream DA (sq mi) SA (ac) Capacity Year Est. Est. 2010 Cap. (ac-ft)
Lake Mattoon IR Little Wabash R 56 1027 11812 2001 11503.7
Lake Paradise IR Little Wabash R 18 166 1252 2001 1195.7

1989 Study:

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

USGS Gages:

No data available

Developments since 1989:

Reliant Energy peaker power plant has withdrawn water from Lake Mattoon since 2001. A sedimentation basin was constructed upstream of Lake Paradise in 2006. There are plans for an emergency connection with Charleston.
Chart of Annual Raw Water Production (mgd)
Note: *Withdrawals from Lake Paradise may include water originally pumped from Lake Mattoon, especially before 1989.

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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