There were nearly 3,000 lockages at the U.S. Army Corps of Engineers, St. Paul District's Lock and Dam 5, near Minnesota City during the 2012 navigation season.
The total lockages, 2,977, included 1,208 from commercial navigation; 1,697 recreational boat lockages and 72 additional lockages from government watercraft or a similar group. There were 3,631 recreational vessels that were locked through. Typically, the lock operator will allow multiple recreation boats within the chamber during a lock.
The commercial navigation industry transported 7,851,166 tons of commodities through the lock during the season. That's about 300,000 more tons that during the 2011 navigation season.
The 2012 season ended when the Motor Vessel Show Me State was locked through Lock and Dam 2, near Hastings November 28th. The season opened March 17, 2012.