Latitude 40°25'18", Longitude 89°46'45" NAD27
Mason County, Illinois , Hydrologic Unit 07130004
Well depth: 148 feet Hole depth: 148.5 feet
Land surface altitude: 492.5
feet above NGVD29.
Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer.
Well completed in "Quaternary System" (110QRNR) local aquifer