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DESCRIPTION:

Latitude 42°04'56.8",   Longitude 88°10'58.0"   NAD83
Cook County, Illinois   , Hydrologic Unit 07120006

Well depth: 260 feet
Hole depth: 260 feet
Land surface altitude: 843.58 feet above NAVD88.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2016-12-22	2024-12-27
Daily Data
Depth to water level, feet below land surface	2016-12-23	2024-12-26	2926
Field groundwater-level measurements	2016-05-20	2024-12-05	36
Water-Year Summary	2017	2023	7
Revisions	Loading...
Additional Data Sources	Begin Date	End Date	Count

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