Latitude 41°55'51", Longitude 87°55'48" NAD27
Dupage County, Illinois , Hydrologic Unit 07120004
Well depth: 226 feet Hole depth: 226 feet
Land surface altitude: 680
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer