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

Illinois Drought

Alto Pass Water District

System Information

System Description

Two pumps convey water from Little Cedar Lake to the treatment plant at 125 gpm each via a small holding pond. Alto Pass Reservoir (Old City Lake) is available as an emergency source.

Satellite Communities and Water Districts

Cobden, Pomona, and Union-Jackson Farm Workers
Locator map for Alto Pass Water District

Population Served:





Big Muddy
Water Source
Name Type Stream DA (sq mi) SA (ac) Capacity Year Est. Est. 2010 Cap. (ac-ft)
Little Cedar Lake IR Cedar Cr 7.15 61 655.8 1976 248.8
Alto Pass Reservoir IR Cedar Cr Trib 0.62 8.1 108 1976 43

1989 Study:

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

USGS Gages:

No data available

Developments since 1989:

The community is making plans to switch to the Cobden WD within the next few years since their aging treatment plant is in poor condition.
Chart of Annual Raw Water Production (mgd)
Note: *Residents of the Union-Jackson Farm Workers camp raise summer water demand.

Notes and Terminology

Vulnerability Report

Choose another Community

Illinois State Water Survey

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