Latitude 41°39'42", Longitude 87°32'56" NAD27
Cook County, Illinois , Hydrologic Unit 04040001
Well depth: 20 feet Hole depth: 20 feet
Land surface altitude: 584
feet above NGVD29.
Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer.
Well completed in "Equality Formation-Dolton Member" (112EQLD) local aquifer