ST. PAUL, Minn. – Exactly 4,810 vessels and 13,158,081 tons of cargo passed through Lock and Dam 10, located near Guttenberg, Iowa, during the 2011 navigation season from March 16-Dec. 2.
The MV Tigre was the last tow to pass through Dec. 3.
Of these vessels, 1,105 were commercial, 3,611 were recreational and 94 were of the other category, such as government watercraft.
During the 2010 navigation season, 5,470 craft passed through Lock and Dam 10 – 1,238 of them commercial, 4,140 of them recreational and 92 other. In 2010, the amount of commodities transported through this lock was 13,914,432 tons.
Navigation statistics fluctuate from year to year, depending on the weather, the flows and the length of the navigation season.
The U.S. Army Corps of Engineers, St. Paul District, constructed Lock and Dam 10 in 1937 and maintains it to this day. A major rehabilitation of this lock and dam started in 1989 and was completed in 2009.
The U.S. Army Corps of Engineers, St. Paul District, serves the American public in the areas of environmental enhancement, navigation, flood damage reduction, water and wetlands regulation, recreation sites and disaster response. It contributes around $175 million to the five-state district economy. The 700 employees work at more than 40 sites in five upper-Midwest states. For more information, see www.mvp.usace.army.mil.
Release no. 12-019