Latitude 41°17'24", Longitude 88°15'36" NAD27
Grundy County, Illinois , Hydrologic Unit 07120004
Well depth: 723 feet Land surface altitude: 562
feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Ancell Group" (365ANCL) local aquifer