Latitude 42°19'39", Longitude 88°17'46" NAD27
Mchenry County, Illinois , Hydrologic Unit 07120006
Well depth: 240 feet Land surface altitude: 820
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer