Latitude 41°52'41", Longitude 88°04'02" NAD27
Dupage County, Illinois , Hydrologic Unit 07120004
Well depth: 413 feet Hole depth: 422 feet
Land surface altitude: 550
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer