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  • January 23, 2018 - USGS Water Data availability

    Updates to data are temporarily on hold while emergency database maintenance is being performed. The maintenance is not expected to exceed 4 hours. We apologize for the disruption of service.

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USGS 415422088014401 40N11E-31.7a1

  Well Site

Latitude 41°54'22",   Longitude 88°01'44"   NAD27
Dupage County, Illinois   , Hydrologic Unit 07120004
Well depth: 1723 feet
Hole depth: 1793 feet
Land surface altitude: 724.00 feet above NGVD29.
Data Type Begin Date End Date Count
 Field groundwater-level measurements 1956-04-21  1956-04-21  1 
 Field/Lab water-quality samples 1956-04-01  1987-12-07  2 
Record for this site is maintained by the USGS Illinois Water Science Center
Email questions about this site to Illinois Water Science Center Water-Data Inquiries