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

Illinois Drought


System Information

System Description

Water from Lake Taylorville is pumped to the treatment plant from either the West pump (2100 gpm) or both the Central (700 gpm) and East (700 gpm) pumps. An additional 800 gpm comes from three rotating drift wells, while water from a fourth well with a high iron concentration is available during emergencies.

Satellite Communities and Water Districts

Bertinelli Addition, Hewittville, Kincaid, Langleyville RWD, Owaneco, and Taylorville Correctional Center
Locator map for Taylorville

Population Served:





Water Source
Name Type Stream DA (sq mi) SA (ac) Capacity Year Est. Est. 2010 Cap. (ac-ft)
Lake Taylorville IR S Fk Sangamon R 131 1148 7535 2000
Groundwater GW

1989 Study:

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

USGS Gages:

No data available

Developments since 1989:

The Taylorville Water Department hopes that the installation of two large and 13 small sedimentation basins reduces the reservoir sedimentation rates by 80%. The city plans to continue using the lake as a regular source in spite of increased groundwater withdrawals. Ample groundwater resources protect the community from drought.
Chart of Annual Raw Water Production (mgd)
Note: *Water production declined after the ADM plant moved in 1995. High water treatment costs and subsequent price increases have reduced surface water withdrawals in recent years.

Notes and Terminology

Vulnerability Report

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Illinois State Water Survey

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