Latitude 41°47'56", Longitude 88°09'28" NAD27
Dupage County, Illinois , Hydrologic Unit 07120004
Well depth: 220 feet Hole depth: 223 feet
Land surface altitude: 726
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer