Latitude 41°49'39", Longitude 88°11'48" NAD27
Dupage County, Illinois , Hydrologic Unit 07120004
Well depth: 365 feet Land surface altitude: 710
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer