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Data Type | Begin Date | End Date | Count |
---|---|---|---|
Current / Historical Observations (availability statement) | 2010-10-01 | 2024-10-31 | |
Daily Data | |||
Depth to water level, feet below land surface | 2009-09-12 | 2024-10-30 | 5511 |
Field groundwater-level measurements | 2009-09-11 | 2024-08-23 | 51 |
Field/Lab water-quality samples | 2010-11-17 | 2020-07-09 | 2 |
Water-Year Summary | 2011 | 2023 | 12 |
Revisions | Loading... | ||
Additional Data Sources | Begin Date | End Date | Count |
This site is operated in cooperation with the Illinois </ b> State Geological Survey of the Prairie Research </ b> Institute, University of Illinois, and McHenry </ b> County, Illinois. </ b> |