The navigation season for barge traffic runs until December in an average year. This year due to low runoff amounts the season will end November 15.
The U.S. Army Corps of Engineer's Management Division said Mountain snowpack peaked much earlier than normal this year and was completely melted by the end of June. June runoff was below-normal to well-below normal.
If is anticipated the winter release rates of water from the Gavins Point Dam at Yankton, South Dakota will be at the minimum rate of 12,000 cubic feet per second.
