Latitude 42°00'31", Longitude 87°56'05" NAD27
Cook County, Illinois , Hydrologic Unit 07120004
Well depth: 960 feet Land surface altitude: 660
feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Ordovician System" (360ODVC) local aquifer