Latitude 41°15'36", Longitude 90°36'30" NAD27
Mercer County, Illinois , Hydrologic Unit 07080104
Well depth: 613 feet Land surface altitude: 750
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Hunton Megagroup" (344HNTN) local aquifer