Tag Archives: Dams

State agrees to fund removal of Scotts Mills Dam, but decision lies in county’s hands

The dam, which dates back to the 1850s, has been crumbling and has long been eyed for removal by the state. Source: State agrees to fund removal of Scotts Mills Dam, but decision lies in county’s hands

Thermal hopscotch: How Columbia River salmon are adapting to climate change

Water in the Columbia River Basin isn’t just getting warmer. In places, it’s getting downright hot. At the confluence of the Columbia and Yakima rivers in Southeastern Washington, for instance, summer water temperatures have been recorded as high as 90 degrees. Blame dams, levees and other concrete additions to the river. And, of course, climate […]
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Hope still alive for Wallowa Dam funding

Stakeholders in the rehabilitation of the Wallowa Lake Dam are disappointed but not giving up hope since $273 million in state bonds were killed as a result of the COVID-19 crisis. The steep drop in lottery funds was announced July 7 by state officials, according to a report by the Oregon Capital Bureau. It means […]
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Federal Agency Throws Curveball At Klamath Dams Demolition Plan 

A deal years in the making would require PacifiCorp to transfer its hydroelectric license to a non-profit commission that has been established to oversee the removal of the dams on the Klamath River. But the Federal Energy Regulatory Commission on Thursday approved only a partial transfer of the license. Source: Federal Agency Throws Curveball At […]
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Work starting on Hells Canyon Dam power-plant upgrades

Projects planned in next decade-plus aim to produce generation, other benefits. Idaho Power Co. will replace one of the three generators at its Hells Canyon Dam on the Snake River, about one-third of the 53-year-old dam’s 391,500-kilowatt generating capacity. “The work beginning this week is part of Idaho Power’s long-term maintenance plan for the Hells […]
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For This Tribe, Saving a River Means Saving the Sturgeon

State Library Ed. Note: If you cannot access this story directly from the source, state employees can access this New York Times story HERE via the State Library’s subscription to the US Newstream database. Alternatively, state employees can contact us for access: library.help@state.or.us or 503-378-8800.

EPA issues report analyzing heat pollution in Columbia, Snake rivers

Oregon and Washington regulators are taking steps to address high water temperatures in the Columbia and Snake rivers that impact migrating salmon and steelhead. The U.S. Environmental Protection Agency issued a report May 18 that details when and where the two rivers become too warm for fish to survive — especially at each of 14 […]
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‘Expect More’: Climate Change Raises Risk of Dam Failures

State Library Ed. Note: If you cannot access this story directly from the source, state employees can access this New York Times story HERE via the State Library’s subscription to the US Newstream database. Alternatively, state employees can contact us for access: library.help@state.or.us or 503-378-8800. See also: The problem America has neglected for too long: deteriorating dams (National Geographic)

Not So Fast! Oregon DEQ Objects to EPA’s Draft NPDES Permits for Lower Columbia River Dams

On May 15, 2020, the Oregon Department of Environmental Quality (DEQ) submitted a letter to the Environmental Protection Agency (EPA) in which it objected to EPA’s draft water quality discharge permits (NPDES permits) relating to four federal dams on the Lower Columbia River. The dams in question are Bonneville, The Dalles, John Day, and McNary. […]
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Dam operators must now make water temp control plan

The Washington state Department of Ecology in an historic move has required federal operators of eight dams on in the Columbia-Snake rivers to create a plan to keep the waters cold enough for adult salmon survival. Conservation groups said the “game-changing decision” is needed to protect endangered salmon species, which struggle when river temperatures exceed […]
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