Latitude 42°28'00", Longitude 87°49'26" NAD27
Lake County, Illinois , Hydrologic Unit 04040002
Well depth: 126 feet Land surface altitude: 630
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer