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USGS 415551087554801 40N11E-25.5f1

  Well Site

Latitude 41°55'51",   Longitude 87°55'48"   NAD27
Dupage County, Illinois   , Hydrologic Unit 07120004
Well depth: 226 feet
Hole depth: 226 feet
Land surface altitude: 680 feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer
Data Type Begin Date End Date Count
 Field groundwater-level measurements 1956-07  1976-08  10 
 Field/Lab water-quality samples 1985-07-11  1985-07-11  1 
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