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Water Quality Samples for the Nation

! Discrete water samples data are undergoing modernization with this page no longer being updated with the latest data starting March 11, 2024
with a full decommission expected 6 months later. Learn more about the upcoming change and where to find the new samples data in our blog.

USGS 414826087514201 38N12E- 4.1b1

Cook County, Illinois
Latitude  41°48'26", Longitude  87°51'42" NAD27
Land-surface elevation 631 feet above NGVD29
Site Type: Well
The depth of the well is 2,014 feet below land surface.

Period of record
Begin Date End Date Samples
1914-01-01 1914-01-01 1

 
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Samples and parameters to include:
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