Latitude 42°25'06", Longitude 87°49'22" NAD27
Lake County, Illinois , Hydrologic Unit 04040002
Well depth: 970 feet Land surface altitude: 625
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer