colorado
Colorado has 17 waters in the registry, 6 of national prominence.
Waters, best known first: South Platte River, Fryingpan River, Arkansas River, Colorado River, Gunnison River, Roaring Fork River, Taylor River, Blue River, Rio Grande, Animas River, Yampa River, Eagle River, Cache la Poudre River, North Platte River, Dolores River, Williams Fork River and Conejos River.