Latitude 42°23'22", Longitude 88°14'09" NAD27
Mchenry County, Illinois , Hydrologic Unit 07120006
Well depth: 294 feet Land surface altitude: 850
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer