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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 ...
In 1932, one of the thirteen reports was released on the Columbia River, titled The Columbia River and Minor Tributaries. The report was backed by many engineers and state politicians who believed that the creation of Dams along the Columbia River would be a strong candidate for generation of hydroelectric power.
Left tributary Right tributary Length (km) Basin size (km 2) . Average discharge (m 3 /s) . Lower Columbia. Mouth to Bonneville Dam. Youngs: 43 257.6 14.7 Grays: 48 320 15.9 Elochoman
Articles pertaining to dams in operation, under construction or planning on the Columbia River in Canada and the United States. Pages in category "Dams on the Columbia River" The following 15 pages are in this category, out of 15 total.
Bonneville Lock and Dam / ˈ b ɒ n ə v ɪ l / consists of several run-of-the-river dam structures that together complete a span of the Columbia River between the U.S. states of Oregon and Washington at River Mile 146.1. [6] The dam is located 40 miles (64 km) east of Portland, Oregon, in the Columbia River Gorge. The primary functions of ...
Rocky Reach Dam is a run-of-the-river hydroelectric dam in the U.S. state of Washington owned and operated by Chelan County Public Utility District. It has 11 generators rated in total 1300 MW. The project is on the Columbia River in north central Washington state about seven miles (11 km) upstream from the city of Wenatchee. The dam is 473 ...
Pacific Northwest River System. Wanapum Dam is a run-of-the-river hydroelectric project located on the Columbia River downstream (south) from Vantage, Washington where Interstate 90 crosses the Columbia from Grant County into Kittitas County. It is owned by the Grant County Public Utility District. Its reservoir is named Lake Wanapum.
The Chief Joseph Dam is a concrete gravity dam on the Columbia River, 2.4 km (1.5 mi) upriver from Bridgeport, Washington. The dam is 877 km (545 mi) upriver from the mouth of the Columbia at Astoria, Oregon. It is operated by the USACE Chief Joseph Dam Project Office and the electricity is marketed by the Bonneville Power Administration.