Table 15 to Part 226 - Hydrologic Units and Counties Containing Critical Habitat for Oregon Coast Coho Salmon, and Dams/Reservoirs Representing the Upstream Extent of Critical Habitat

Hydrologic Unit nameHydrologic Unit numberCounties1 within Hydrologic Unit and within the range of ESUXDams/ReservoirsNecanicum17100201Clatsop (OR), Tillamook (OR)Nehalem17100202Clatsop (OR), Columbia (OR), Tillamook (OR), Washington (OR)Wilson-Trask-Nestucca17100203Lincoln (OR), Polk (OR), Tillamook (OR), Washington (OR), Yamhill (OR)McGuire DamSiletz-Yaquina17100204Benton (OR), Lincoln (OR), Polk (OR), Tillamook (OR)Alsea17100205Benton (OR), Lane (OR), Lincoln (OR)Siuslaw17100206Benton (OR), Douglas (OR), Lane (OR)Siltcoos17100207Douglas (OR), Lane (OR)North Umpqua17100301Douglas (OR), Lane (OR)Cooper Creek Dam, Soda Springs DamSouth Umpqua17100302Coos (OR), Douglas (OR), Josephine (OR)Ben Irving Dam, Galesville Dam, Win Walker ReservoirUmpqua17100303Coos (OR), Douglas (OR), Lane (OR)Coos17100304Coos (OR), Douglas (OR)Lower Pony Creek DamCoquille17100305Coos (OR), Curry (OR), Douglas (OR)Sixes17100306Coos (OR), Curry (OR)1 Some counties have very limited overlap with estuarine, riverine, or riparian habitats identified as critical habitat for this ESU. Consult USGS hydrologic unit maps (available from USGS) to determine specific county and basin boundaries.