Latitude 40°51'04", Longitude 90°51'54" NAD27
Henderson County, Illinois , Hydrologic Unit 07080104
Well depth: 891 feet Land surface altitude: 680
feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Ordovician System" (360ODVC) local aquifer