Latitude 41°42'41", Longitude 87°57'57" NAD27
Dupage County, Illinois , Hydrologic Unit 07120004
Well depth: 70 feet Hole depth: 70 feet
Land surface altitude: 665.99
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Niagaran Series" (355NIGR) local aquifer