Latitude 41°56'42", Longitude 88°01'30" NAD27
Dupage County, Illinois , Hydrologic Unit 07120004
Well depth: 220 feet Land surface altitude: 729
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian Dolomite" (350SIDO) local aquifer