Latitude 41°47'56", Longitude 88°09'27" NAD27
Dupage County, Illinois , Hydrologic Unit 07120004
Well depth: 1490 feet Land surface altitude: 730
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian Dolomite" (350SIDO) local aquifer