Latitude 42°15'45.5", Longitude 87°56'43.5" NAD83 Lake County, Illinois, Hydrologic Unit 07120004
Land surface altitude: 680 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