Army Corps of Engineers
Collects and publishes statistical data on waterborne commerce and vessel operations in waterways, ports, and harbors of the United States, Puerto Rico, and the U.S. Virgin Islands. The Waterborne Commerce Statistics Center maintains a database to respond to special requests for data and to produce monthly, quarterly, and annual products including the annual five-volume Waterborne Commerce of the U.S. that summarizes trips and tonnage by ports and waterways.
(CORPS) Dept of Defense