Latitude 41°48'43", Longitude 87°58'51" NAD27
Dupage County, Illinois , Hydrologic Unit 07120004
Well depth: 278 feet Hole depth: 278 feet
Land surface altitude: 740
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer