As the home of the headwaters of the Colorado River and to Colorado's largest natural lake, no other place can offer more splash-worthy adventures than Grand County, Colorado. Swimming, boating, fishing—the list of ways to enjoy our waterways is endless. For more information on the abundance of water recreation check out the Grand County Tourism Board.
Aquatic Nuisance Species (ANS)
Aquatic Nuisance Species (ANS) Information regarding boat/watercraft inspection and decontamination stations in Grand County Colorado for:
Motorboats and sailboats must have an ANS Stamp prior to launching in Colorado.
Colorado residents can purchase an ANS stamp while registering the motorized (gas or electric) watercraft. For already registered motorboats and sailboats, ANS Stamps can be purchased online at www.cpwshop.com or at any CPW office or sales location.
Exempt watercraft are not required to purchase an ANS Stamp.