Latitude 41°06'05", Longitude 90°55'51" NAD27
Mercer County, Illinois , Hydrologic Unit 07080104
Well depth: 81 feet Land surface altitude: 540
feet above NGVD29.
Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer.
Well completed in "Quaternary System" (110QRNR) local aquifer