Latitude 42°14'02.0", Longitude 88°17'35.4" NAD83 Mchenry County, Illinois, Hydrologic Unit 07120006
Land surface altitude: 920 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