Latitude 41°17'37", Longitude 88°15'00" NAD27
Grundy County, Illinois , Hydrologic Unit 07120005
Well depth: 850 feet Land surface altitude: 562
feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Ordovician System" (360ODVC) local aquifer