Latitude 41°51'50", Longitude 88°06'18" NAD27
Dupage County, Illinois , Hydrologic Unit 07120004
Well depth: 350 feet Hole depth: 350 feet
Land surface altitude: 745
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer