Latitude 41°47'31", Longitude 87°58'13" NAD27
Dupage County, Illinois , Hydrologic Unit 07120004
Well depth: 319 feet Hole depth: 319 feet
Land surface altitude: 757
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer