Latitude 41°49'21", Longitude 87°55'09" NAD27
Dupage County, Illinois , Hydrologic Unit 07120004
Well depth: 347 feet Hole depth: 347 feet
Land surface altitude: 642
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer