Latitude 41°35'10", Longitude 87°33'09" NAD27
Cook County, Illinois , Hydrologic Unit 07120003
Well depth: 23 feet Hole depth: 23 feet
Land surface altitude: 603.98
feet above NGVD29.
Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer.
Well completed in "Sand (Holocene and/or Pleistocene)" (110SANDP) local aquifer