Latitude 41°46'18", Longitude 87°56'36" NAD27
Dupage County, Illinois , Hydrologic Unit 07120004
Well depth: 315 feet Land surface altitude: 735
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian Dolomite" (350SIDO) local aquifer