Latitude 42°15'33", Longitude 88°19'32" NAD27
Mchenry County, Illinois , Hydrologic Unit 07120006
Well depth: 272 feet Land surface altitude: 930
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer