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DESCRIPTION:

Latitude 41°40'40.0",   Longitude 88°00'42.0"   NAD83
Cook County, Illinois   , Hydrologic Unit 07120004

Well depth: 65.4 feet
Hole depth: 65.4 feet
Land surface altitude: 585.68 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)	2011-04-08	2011-11-13
Daily Data
Temperature, water, degrees Celsius	2011-04-08	2011-11-13	588
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2011-05-11	2011-11-13	477
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2011-04-07	2011-07-21	304
Depth to water level, feet below land surface	2011-04-08	2011-11-13	197
Daily Statistics
Temperature, water, degrees Celsius	2011-04-08	2011-11-13	196
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2011-05-11	2011-11-13	159
Monthly Statistics
Temperature, water, degrees Celsius	2011-04	2011-11
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2011-05	2011-11
Annual Statistics
Temperature, water, degrees Celsius	2011	2012
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2011	2012
Field groundwater-level measurements	2011-02-11	2011-11-14	14
Water-Year Summary	2012	2012	1
Revisions	Loading...

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