* The Intermountain plan includes these subbasins: Coeur d'Alene, Lake Rufus Woods, Pend Oreille, San Poil, Spokane, Upper Columbia Mainstem

** The Lower Columbia plan includes these subbasins: Columbia Estuary, Cowlitz, Elochoman, Grays, Kalama, Lewis, Little White Salmon, Lower Columbia Mainstem, Washougal, Wind, Lower Mid-Columbia Mainstem, Lower Snake Mainstem