Cook County, Illinois
Latitude 41°42'39", Longitude 87°54'38"
NAD27
Land-surface elevation 651.59 feet above NGVD29
The depth of the well is 225 feet below land surface.
This well is completed in the Silurian-Devonian aquifers (N400SLRDVN) national aquifer.
This well is completed in the Devonian-Silurian System (340DVSL) local aquifer.