Latitude 42°13'04", Longitude 87°55'00" NAD27
Lake County, Illinois , Hydrologic Unit 07120004
Well depth: not determined. Hole depth: 940 feet
Land surface altitude: 685
feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Ordovician System" (360ODVC) local aquifer