Latitude 41°41'19", Longitude 87°36'31" NAD27
Cook County, Illinois , Hydrologic Unit 04040001
Well depth: 21 feet Hole depth: 21 feet
Land surface altitude: 590
feet above NGVD29.
Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer.
Well completed in "Sand Clay (Holocene and/or Pleistocene)" (110SDCL) local aquifer