Latitude 42°07'53", Longitude 87°48'11" NAD27
Cook County, Illinois , Hydrologic Unit 07120004
Well depth: 1370 feet Land surface altitude: 645
feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Ordovician System" (360ODVC) local aquifer