Latitude 40°04'26.6", Longitude 88°57'53.6" NAD83 De Witt County, Illinois, Hydrologic Unit 07130009
Land surface altitude: 729 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