Latitude 42°10'52.0", Longitude 88°18'41.3" NAD83 Mchenry County, Illinois, Hydrologic Unit 07120006
Land surface altitude: 800 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