Latitude 42°22'52.5", Longitude 87°55'30.3" NAD83 Lake County, Illinois, Hydrologic Unit 07120006
Land surface altitude: 700 feet above sea level NGVD29. Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer. Well completed in "QUATERNARY SYSTEM" (110QRNR) local aquifer