Latitude 42°13'18", Longitude 88°03'04" NAD27
Lake County, Illinois , Hydrologic Unit 07120004
Well depth: 227 feet Land surface altitude: 810
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer