Latitude 41°47'01", Longitude 87°57'01" NAD27
Dupage County, Illinois , Hydrologic Unit 07120004
Well depth: 400 feet Hole depth: 400 feet
Land surface altitude: 727
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer