The Corps is releasing twice as much water as usual.
One of the most popular lakes in South Dakota is now known to be infested with this invasive species.
That makes a total of almost 21 tons over the history of the event.
Over 1,500 boaters and anglers from 11 states heard the key message: clean, drain, and dry your boat every time you come off the water.
League members voiced their concerns about a proposed wetland mitigation bank site.
© 2015 Izaak Walton League of America