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DESCRIPTION:

Latitude 41°24'52",   Longitude 88°12'52"   NAD83

Will County, Illinois, Hydrologic Unit 07120004

Drainage area: 1,711.00 square miles

Datum of gage: 505.49 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2012-09-11	2025-09-26
Daily Data
Temperature, water, degrees Celsius	1973-03-29	2025-09-25	18175
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2017-01-24	2025-09-25	9314
Daily Statistics
Temperature, water, degrees Celsius	1973-03-29	2025-07-02	5750
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2017-01-24	2025-07-02	3020
Monthly Statistics
Temperature, water, degrees Celsius	1973-03	2025-07
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2017-01	2025-07
Annual Statistics
Temperature, water, degrees Celsius	1973	2025
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2017	2025
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	2023-04-01	2023-07-14	2
Water-Year Summary	2012	2024	13
Revisions	Loading...

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