Latitude 41°39'22", Longitude 87°43'22" NAD27
Cook County, Illinois , Hydrologic Unit 07120003
Well depth: 30 feet Hole depth: 30 feet
Land surface altitude: 595.01
feet above NGVD29.
Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer.
Well completed in "Silt (Holocene and/or Pleistocene)" (110SILT) local aquifer