Latitude 41°46'03", Longitude 87°56'47" NAD27
Dupage County, Illinois , Hydrologic Unit 07120004
Well depth: 320 feet Hole depth: 320 feet
Land surface altitude: 735
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian Dolomite" (350SIDO) local aquifer