Latitude 41°05'30", Longitude 90°56'30" NAD27
Mercer County, Illinois , Hydrologic Unit 07080104
Well depth: 100 feet Land surface altitude: 535
feet above NGVD29.
Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer.
Well completed in "Quaternary System" (110QRNR) local aquifer