Latitude 41°42'33", Longitude 87°57'54" NAD27
Dupage County, Illinois , Hydrologic Unit 07120004
Well depth: 62 feet Land surface altitude: 648
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer