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Cowlitz River. The Cowlitz River is a river in the state of Washington in the United States, a tributary of the Columbia River. Its tributaries drain a large region including the slopes of Mount Rainier, Mount Adams, and Mount St. Helens. The Cowlitz has a 2,586-square-mile (6,698 km 2) drainage basin, [5][6] located between the Cascade Range ...
Network. Tacoma Power is a public utility providing electrical power to Tacoma, Washington and the surrounding areas. Tacoma Power serves the cities of Tacoma, University Place, Fircrest, and Fife, and also provides service to parts of Steilacoom, Lakewood, and unincorporated Pierce County. It is a division of the Tacoma Public Utilities and ...
A resistive counter is associated with an in-river structure, an example constituting a Crump weir. [1] The resistivity of a fish is lower than that of water. So, as fish cross this barrier, they pass embedded electrodes, and the difference in resistivity disturbs the field established in the vicinity of the electrodes, altering inter-electrode resistance.
During the initial period of European settlement in the 1800s, small private dams were built to supply water to farms and mining operations and to generate hydroelectricity (an early hydro project was the Tacoma power station, built on the Animas River in 1905.) [91] In 1901, the Turley survey concluded that the San Juan River contained enough ...
The Klamath River dams removal project was a significant win for tribal nations on the Oregon-California border who for decades have fought to restore the river back to its natural state.
After a two-year environmental study by Tacoma, Jefferson PUD and the state departments of Ecology, Fisheries and Wildlife, and the federal Fish and Wildlife Service, the dam was proposed to maintain minimum in-stream flows of 65 to 155 cubic feet (1.8 to 4.4 m 3) per second, depending on the month.
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The largest dam in Washington, in terms of structural volume, reservoir capacity and electricity production, is the Grand Coulee Dam on the Columbia River. The tallest dam is Mossyrock Dam on the Cowlitz River, at 606 feet (185 m). The longest dam is O'Sullivan Dam on Crab Creek, at 19,000 feet (5,800 m).