Latitude 40°19'30.76", Longitude 89°54'20.19" NAD83
Mason County, Illinois , Hydrologic Unit 07130003
Well depth: 18.8 feet Land surface altitude: 467.96
feet above NAVD88.
Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer.
Well completed in "Quaternary System" (110QRNR) local aquifer