Latitude 41°11'47", Longitude 90°52'41" NAD27
Mercer County, Illinois , Hydrologic Unit 07080104
Well depth: 420 feet Land surface altitude: 688
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Hunton Megagroup" (344HNTN) local aquifer