Latitude 42°21'11", Longitude 88°05'29" NAD27
Lake County, Illinois , Hydrologic Unit 07120006
Well depth: 350 feet Land surface altitude: 795
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer