Port Facts
(US measure)

  • LOCATION
    • Western tip of Lake Superior's 31,700 square miles of earth's freshest water
    • 2,342 miles or less than a week's sailing time from the Atlantic Ocean
    • 602 feet above sea level
  • WATERFRONT
    • 49 miles long, with 17 miles of dredged channels
    • 19 square miles of land and water in a naturally protected harbor
  • TONNAGE
    • 45 million net tons annually
  • VESSEL CALLS
    • 1,100 vessels annually
    • Maximum size permitted through
      • Seaway locks:
        • Length: 730 feet
        • Beam: 78 feet
        • Draft: 26 feet, 3 inches
      • Soo locks:
        • Length: 1,100 feet
        • Beam: 105 feet
        • Draft: 32 feet 
  • CARGO TERMINALS
    • 15 major facilities including:
      • 6 multi-purpose bulk terminals
      • 1 general cargo distribution center
      • 2 ore docks
      • 1 coal dock
      • 6 grain elevators with 55 million bushels of licensed wheat silo capacity
  • PRINCIPAL CARGOES
    • Ore (40%), Coal (40%), Grain (10%)
  • RANKING BY PRINCIPAL CARGO LOADINGS
    • Ore - No. 1 nationally
    • Coal - No. 5 nationally
    • Grain - No. 1 U.S. Great Lakes
  • PORT RANKING
    No. 1 Great Lakes port in total cargo volume
    No. 16 nationally in total cargo volume (2005)
  • ECONOMIC IMPACT & JOBS
    $200 million economic impact, with 2,000 jobs dependent upon the port
    $2.0 billion worth of cargo transshipped via Duluth-Superior docks.


Duluth Seaway Port Authority
1200 Port Terminal Drive
Duluth, MN 55802
Tel: (218) 727-8525
     Tel: (800) 232-0703     Fax: (218) 727-6888
©2008 Duluth Seaway Port Authority