Latitude 41°39'09.57", Longitude 87°33'58.86" NAD27
Cook County, Illinois , Hydrologic Unit 07120003
Well depth: 29 feet Hole depth: 30 feet
Land surface altitude: 586.25
feet above NGVD29.
Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer.
Well completed in "Quaternary System" (110QRNR) local aquifer