Latitude 40°12'46.6", Longitude 88°58'52.3" NAD83 De Witt County, Illinois, Hydrologic Unit 07130009
Land surface altitude: 739 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