[1] Central and South America also have port agencies such as autoridad and consorcio (authority and consortium).
Port authorities are usually governed by boards or commissions, which are commonly appointed by governmental chief executives, often from different jurisdictions.
In addition to owning land, setting fees, and sometimes levying taxes, port districts can also operate shipping terminals, airports, railroads, and irrigation facilities.
Atlantic Great Lakes Pacific St. Lawrence Seaway Charter date in parentheses.
Atlantic Gulf of Mexico Great Lakes / St. Lawrence Seaway Pacific Inland Rivers Listed from northwest to southeast.