Latitude 41°50'15", Longitude 88°07'21" NAD27
Dupage County, Illinois , Hydrologic Unit 07120004
Well depth: 405 feet Hole depth: 405 feet
Land surface altitude: 565
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer