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Archive: June, 2016
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  • 16-037 Dworshak discharge flows to fluctuate June 7

    AHSAHKA, Idaho – Water discharges from Dworshak Dam near Orofino, Idaho, will temporarily fluctuate tomorrow, June 7, from 7 a.m. to 5 p.m.. to allow testing on hydroelectric generator unit number 3, U.S. Army Corps of Engineers officials at the dam announced today.
  • 16-036 Corps of Engineers determines 259 miles of Salmon River navigable

    Idaho – Following extensive U.S. Army Corps of Engineers review, the Northwestern Division Commander, Brigadier General Scott A. Spellmon, signed a Finding of Navigability Determination for the Salmon River, from River Mile (RM) 0 to RM 259.
  • 16-035 Corps partners to repaint Lucky Peak Dam; Volunteers still needed

    BOISE, Idaho – Would you like to be a part of history? If you answered yes then sign up to volunteer with paint crews refreshing the iconic ‘KEEP YOUR FORESTS GREEN,’ at Lucky Peak Dam, on June 11, 2016.
  • 16-034 Corps improving fish passage at Lower Granite Dam Two new construction projects expected to increase fish survival as they pass the dam

    POMEROY, Wash. – The Walla Walla District of the U.S. Army Corps of Engineers is improving both adult and juvenile fish passage at Lower Granite Lock and Dam to help endangered salmon and steelhead migrate in the lower Snake River. Two significant new fish passage improvements are in progress: First, to prepare for potential high water temperatures this summer and help upstream-migrating adult salmon and steelhead pass Lower Granite Dam, the Corps completed installing a permanent adult fish ladder water cooling system in February. This new Adult Fish Ladder Temperature Improvement System was built in response to unusually hot weather the past several years throughout the Columbia-Snake river basin. Hot weather raised temperatures in the “tailwater” just below Lower Granite Dam in summer to more 68 degrees Fahrenheit, which is above acceptable limits. Hotter water promoted development of a “thermal barrier” in the adult fish ladder, hindering upstream migration of adult salmon and steelhead to their spawning grounds. Sockeye salmon were most affected in summer 2015, though the Corps used temporary pumps to cool the fish ladder in 2014 and 2015. This permanent system will cool fish ladder water starting this summer.
  • 16-033 Corps of Engineers updates shippers on extended 2016-2017 navigation lock system closure

    BOARDMAN, Ore. – A 14-week-long navigation lock outage scheduled for Dec. 12, 2016, through March 20, 2017, is on track, U.S. Army Corps of Engineers officials from Walla Walla and Portland districts said today.
  • Army Corps of Engineers seeks public comments on on proposal to renew and revise nationwide permits

    The U.S. Army Corps of Engineers (USACE) announced today it is seeking comments on its proposal to renew and revise 50 nationwide permits for work in wetlands and other waters that are regulated by Section 404 of the Clean Water Act and/or Section 10 of the Rivers and Harbors Act of 1899. In addition, USACE is proposing to issue two new nationwide permits that pertain to authorizing the removal of low-head dams and the construction and maintenance of living shorelines.