Пло́тины речно́го бассе́йна Колу́мбия

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There are more than 60 dams in the Columbia River watershed in the United States and Canada. Tributaries of the Columbia River and their dammed tributaries, as well as the main stem itself, each have their own list below. The dams are listed in the order as they are found from source to terminus. Many of the dams in the Columbia River watershed were not created for the specific purposes of water storage or flood protection. Instead, the primary purpose of many of these dams is to produce hydroelectricity. As can be seen in the lists, these dams provide many tens of gigawatts of power. Major dam construction began in the early 20th century and picked up the pace after the Columbia River Treaty in the 1960s, by the mid 1980s all the big dams were finished. Including just the dams listed below, there are 60 dams in the watershed, with 14 on the Columbia, 20 on the Snake, seven on the Kootenay, seven on the Pend Oreille / Clark, two on the Flathead, eight on the Yakima, and two on the Owyhee. Averaging a major dam every 72 mile (116 km), the rivers in the Columbia watershed combine to generate over 36,000 megawatts of power, with the majority coming on the main stem. Grand Coulee Dam is the largest producer of hydroelectric power in the United States, generating 6,809 megawatts, over one sixth of all power in the basin. In addition to providing ample power for the people of the Pacific Northwest, the reservoirs created by the dams have created numerous recreational opportunities, including fishing, boating, and windsurfing. Furthermore, by creating a constant flow and consistent depth along the river channel, the series of locks and dams have allowed for Lewiston, Idaho, to become the furthest inland seaport on the west coast of the United States. Despite the numerous benefits to humans that the dams have provided, a number of environmental consequences have manifested as a result of the dams, including a negative impact on salmonid populations of the basin. The organization of the following lists begins with the Columbia River dams and is followed by dams on its tributaries (in order of length) and their respective watersheds. Additionally, the table of contents below is indented to indicate tributary status of each river.

Dams are listed in order from headwater (Columbia Lake, BC) to mouth (Pacific Ocean, OR/WA). NameHeightCapacity (MW)Province/State(s)CoordinatesYear of completionOwnerReservoir formedImageMica Dam2,8051973BC HydroKinbasket LakeRevelstoke Dam2,4801851968BC HydroRaised Arrow LakesGrand Coulee Dam550 feet (168 m)6,8092,6201955USACERufus Woods LakeWells Dam160 feet (49 m)8401967Douglas PUDLake PaterosRocky Reach Dam130 feet (40 m)1,2871961Chelan PUDLake EntiatRock Island Dam135 feet (41 m)6601933Chelan PUDRock Island PoolWanapum Dam185 feet (56 m)1,092955.61961Grant PUDPriest Rapids LakeMcNary Dam183 feet (56 m)1,133 / border1954USACELake WallulaJohn Day Dam184 feet (56 m)2,485 / border1971USACELake UmatillaThe Dalles Dam260 feet (79 m)2,038 / border1957USACELake CeliloBonneville Dam197 feet (60 m)1,190 / border1937 / 1981 USACELake Bonneville

Dams are listed in order from headwater (Two Oceans Plateau, WY) to mouth Columbia River, WA. NameHeightCapacity (MW)Province/State(s)CoordinatesYear of completionOwnerReservoir formedImageJackson Lake Dam65.5 feet (20 m)01911 / 1916 / 1989 1901Idaho Power CompanySwan Falls ReservoirBrownlee Dam420 feet (128 m)585 / borderDam and units one to four completed in 1959, unit five completed in 1980.220 / border1961Idaho Power CompanyOxbow ReservoirHells Canyon Dam330 feet (101 m)450 / border1967Idaho Power CompanyHells Canyon ReservoirLower Granite Dam181 feet (55 m)9321975 / 1987 USACELower Granite LakeLittle Goose Dam253 feet (77 m)9321970USACELake BryanLower Monumental Dam152 feet (46 m)9301969USACELake Herbert G. WestIce Harbor Dam213 feet (65 m)693Dam was initially completed in 1961 with three generators online. Powerhouse units four through six were later added and online in 1976.26 feet (8 m)01924Ca Campbell CompanyGoose LakeBrundage Dam (Brundage Creek(Goose Creek))64 feet (20 m)01989Brundage Reservoir CompanyBrundage Reservoir

NameHeightCapacity (MW)Province/State(s)CoordinatesYear of completionOwnerReservoir formedImageUpper Malad River Dam124.1 feet (38 m)8.271948901908Twin Lakes Reservoir and Irrigation CompanyMormon Reservoir

Dams are listed in order from headwater of Clark Fork River (Silver Bow Creek, MT) to mouth of Pend Oreille River (Columbia River, BC). NameHeightCapacity (MW)Province/State(s)CoordinatesYear of completionOwnerReservoir formedImageClark ForkThompson Falls Dam110 feet (34 m)9419155271959Avista Corp. Noxon ReservoirCabinet Gorge Dam208 feet (63 m)255Avista Corp. Cabinet Gorge ReservoirPend OreilleAlbeni Falls Dam90 feet (27 m)Box Canyon Dam62 feet (19 m)1956Pend Oreille PUDBox Canyon ReservoirBoundary Dam340 feet (104 m)8481979BC HydroWaneta Dam1954FortisBC

Dams are listed in order from headwater (Confluence of North Fork and Middle Fork Flathead River) to mouth (Clark Fork River). NameHeightCapacity (MW)Province/State(s)CoordinatesYear of completionOwnerReservoir formedImageHungry Horse Dam564 feet (172 m)4281953USBRHungry Horse ReservoirSeli’š Ksanka Qlispe’ Dam (Kerr Dam)205 feet (62 m)1881938Raised Flathead Lake 10 feet (3 m)01940440 feet (134 m)247.121964Portland General Electric Company, Confederated Tribes of the Warm Springs Reservation of OregonLake Billy ChinookPelton Dam1957Portland General Electric Company, Confederated Tribes of the Warm Springs Reservation of OregonLake SimtustusPelton Reregulating Dam1958Portland General Electric Company, Confederated Tribes of the Warm Springs Reservation of Oregon

Dams are listed in order from headwater (Keechelus Lake, WA) to mouth (Columbia River, WA). NameHeightCapacity (MW)Province/State(s)CoordinatesYear of completionOwnerReservoir formedImageKeechelus Dam128 feet (39 m)0USBRLake EastonUnnamed Diversion Dam0USBRRoza Diversion Dam67 feet (20 m)121939USBRWapato Dam19 feet (6 m)0Wapato ReservoirSunnyside Dam8 feet (2 m)01907Sunnyside Valley Irrigation DistrictProsser Dam9 feet (3 m)019040189215.181888191 feet (58 m)181953Army Corps of EngineersBig Cliff Reservoir (reregulation for Detroit Reservoir)South SantiamGreen Peter Dam126 feet (38 m)201968Army Corps of EngineersFoster Reservoir (reregulation for Green Peter Reservoir)

Dams are listed in order from headwater (Timpanogas Lake, OR) to mouth (Willamette River, OR). NameHeightCapacity (MW)Province/State(s)CoordinatesYear of completionOwnerReservoir formedImageHills Creek Dam304 feet (93 m)30150180 feet (55 m)01966USACEFall Creek ReservoirDexter Dam93 feet (28 m)0196310Eugene Water & Electric BoardTrail Bridge ReservoirSmith Dam (Smith River)250 feet (76 m)104.5425 feet (130 m)251963Army Corps of EngineersCougar ReservoirBlue River Dam (Blue River)15.9901942194915Originally constructed in 1894, upgraded to concrete structure in 1933, with significant upgrades in the 1980s.10152671361911AvistaLittle Falls Pool