Latitude 42°15'37", Longitude 88°17'42" NAD27
Mchenry County, Illinois , Hydrologic Unit 07120006
Well depth: 280 feet Land surface altitude: 920
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer