Latitude 41°57'12", Longitude 88°02'00" NAD27
Dupage County, Illinois , Hydrologic Unit 07120004
Well depth: 340 feet Hole depth: 340 feet
Land surface altitude: 730
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer