Latitude 42°09'32", Longitude 87°55'15" NAD27
Lake County, Illinois , Hydrologic Unit 07120004
Well depth: 280 feet Hole depth: 280 feet
Land surface altitude: 648
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer