Latitude 40°08'15.6", Longitude 88°59'26.8" NAD83 De Witt County, Illinois, Hydrologic Unit 07130009
Land surface altitude: 730 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