Cook County, Illinois
Latitude 41°28'53", Longitude 87°37'34"
NAD27
Land-surface elevation 690 feet above NGVD29
The depth of the well is 493 feet below land surface.
This well is completed in the Silurian-Devonian aquifers (N400SLRDVN) national aquifer.
This well is completed in the Silurian System (350SLRN) local aquifer.