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DESCRIPTION:

Latitude 42°23'07.7",   Longitude 88°19'56.1"   NAD83
Mchenry County, Illinois   , Hydrologic Unit 071200060905

Well depth: 25.9 feet
Hole depth: 210.0 feet
Land surface altitude: 863.52 feet above NAVD88.
Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer.
Well completed in "Quaternary System" (110QRNR) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2010-10-01	2025-08-28
Daily Data
Temperature, water, degrees Celsius	2011-04-27	2025-08-27	8325
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2011-04-27	2016-04-12	5349
Depth to water level, feet below land surface	2009-02-25	2025-08-27	5489
Daily Statistics
Temperature, water, degrees Celsius	2011-04-27	2016-04-12	1812
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2011-04-27	2016-04-12	1783
Monthly Statistics
Temperature, water, degrees Celsius	2011-04	2016-04
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2011-04	2016-04
Annual Statistics
Temperature, water, degrees Celsius	2011	2016
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2011	2016
Field groundwater-level measurements	2009-02-24	2024-06-18	67
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	2010-09-22	2021-05-27	13
Water-Year Summary	2011	2024	13
Revisions	Loading...
Additional Data Sources	Begin Date	End Date	Count

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