Latitude 42°17'24", Longitude 87°57'11" NAD27
Lake County, Illinois , Hydrologic Unit 07120004
Well depth: 227 feet Hole depth: 227 feet
Land surface altitude: 685
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer