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|Data Type||Begin Date||End Date||Count|
|Current / Historical Observations (availability statement)||2011-07-19||2019-09-23|
|Depth to water level, feet below land surface||2011-07-18||2019-09-22||2941|
|Field groundwater-level measurements||2008-08||2019-08-02||49|
|This site is operated in cooperation with the|
Illinois State Water Survey of the Prairie
Research Institute, University of Illinois.
Since well installation in 1992, water
levels have been measured routinely by the
ISWS. Water levels also have been measured by
the USGS since 2010. Requests for the
water-level data collected by the ISWS should
be made through the ISWS, Center for Groundwater