Latitude 41°39'50", Longitude 87°34'30" NAD27
Cook County, Illinois , Hydrologic Unit 04040001
Well depth: 15 feet Hole depth: 18 feet
Land surface altitude: 589.14
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