Latitude 42°21'03", Longitude 87°53'10" NAD27
Lake County, Illinois , Hydrologic Unit 07120004
Well depth: 0000 feet Land surface altitude: 700
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer