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

Illinois Drought

Olney

Drought Vulnerability Classification

Adequate System – There is greater than a 90% probability that the community will not experience any water shortages or threat thereof during a severe drought similar to the drought of record.

Drought Adequacy Description

If a drought similar to the 1962-1966 drought of record were to recur today, it is estimated with 50% confidence that the current system would be able to support a demand of 2.90 mgd (the mid- or best yield estimate). It is estimated with 90% confidence that the current system would be able to support a demand of 2.07 mgd. Because the system would be able to fulfill the community’s current demand of 1.37 mgd with 90% confidence, the drought vulnerability of the system is classified as ADEQUATE.

Additional Notes


Population Served:

12000

County:

Richland

Watersheds:

Little Wabash

System Information


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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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