Latitude 41°37'15", Longitude 88°38'58" NAD27
Lasalle County, Illinois , Hydrologic Unit 07120007
Well depth: 265 feet Land surface altitude: 660
feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Canadian Series" (368CNDN) local aquifer