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DESCRIPTION:

Latitude 41°40'36.76",   Longitude 88°00'32.01"   NAD83
Cook County, Illinois   , Hydrologic Unit 07120004

Well depth: 61.7 feet
Hole depth: 61.7 feet
Land surface altitude: 588.13 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)	2011-03-31	2011-11-13
Daily Data
Temperature, water, degrees Celsius	2011-03-30	2011-11-14	619
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2011-03-31	2011-08-30	390
Dissolved oxygen, water, unfiltered, milligrams per liter	2011-03-31	2011-07-21	339
Groundwater level above NAVD 1988, feet	2011-03-31	2011-11-13	204
Depth to water level, feet below land surface	2011-03-31	2011-11-13	206
Daily Statistics
Temperature, water, degrees Celsius	2011-03-31	2011-11-13	205
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2011-03-31	2011-08-30	130
Dissolved oxygen, water, unfiltered, milligrams per liter	2011-03-31	2011-07-21	113
Monthly Statistics
Temperature, water, degrees Celsius	2011-03	2011-11
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2011-03	2011-08
Dissolved oxygen, water, unfiltered, milligrams per liter	2011-03	2011-07
Annual Statistics
Temperature, water, degrees Celsius	2011	2012
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2011	2011
Dissolved oxygen, water, unfiltered, milligrams per liter	2011	2011
Field groundwater-level measurements	2011-02-11	2012-02-15	19
Field/Lab water-quality samples	2012-02-02	2012-02-02	1
Water-Year Summary	2012	2012	1
Revisions	Loading...

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