About The Illinois State Water Survey

Groundwater Science

McLean and Tazewell Counties

The Illinois State Water Survey, under contract to the the twin municipalities of Bloomington and Normal, has established a groundwater monitoring well network. The ISWS has monitored and maintained the observation well network  shown in the map to the right since 1993. The network provides data which can be used to document changes in groundwater levels over time and was installed as part of a large aquifer assessment and modeling project that is described in Cooperative Groundwater Report 19.

 

 

 

Map of monitoring wells (click image to enlarge)

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Illinois State Water Survey

2204 Griffith Dr., MC-674
Champaign, IL 61820-7463
217-244-5459
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