Colorado Events DU events are fun! More importantly, the revenue generated from these events is critical to our conservation mission and the future of waterfowl hunting. Douglas/Elbert County Colorado Banquet Friday, August 19, 2022 CO DU Volunteer Appreciation Day Sunday, August 28, 2022 Arkansas Valley DU Banquet Saturday, September 17, 2022 Weld County Colorado Fall Banquet Monday, October 3, 2022