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  • January 23, 2018 - USGS Water Data availability

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USGS 414827087544001 38N12E- 6.6b1

  Well Site

Latitude 41°48'27",   Longitude 87°54'40"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120004
Well depth: 1913 feet
Hole depth: 1913 feet
Land surface altitude: 642.00 feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Ironton-Galesville" (372IRGL) local aquifer
Data Type Begin Date End Date Count
 Field groundwater-level measurements 1966-08-24  2012-08-28  7 
 Field/Lab water-quality samples 1966-08-01  2017-08-07  20 
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