Latitude 41°09'32", Longitude 88°38'47" NAD27
Lasalle County, Illinois , Hydrologic Unit 07120005
Well depth: 812 feet Land surface altitude: 699
feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Ancell Group" (365ANCL) local aquifer