Latitude 41°17'52", Longitude 90°34'32" NAD27
Mercer County, Illinois , Hydrologic Unit 07080104
Well depth: 474 feet Land surface altitude: 780
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Hunton Megagroup" (344HNTN) local aquifer