Latitude 41°52'22", Longitude 88°08'13" NAD27
Dupage County, Illinois , Hydrologic Unit 07120004
Well depth: 261 feet Hole depth: 261 feet
Land surface altitude: 770
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer