Cook County, Illinois
Hydrologic Unit Code 07120003
Latitude 41°30'31", Longitude 87°34'59"
NAD27
Land-surface elevation 637 feet above NGVD29
The depth of the well is 460 feet below land surface.
The depth of the hole is 460 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.