US Army Corps of Engineers
Northwestern Division Website

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  • April

    Comment period to close soon on CRSO draft environmental impact statement

    The U.S. Army Corps of Engineers, Bureau of Reclamation and Bonneville Power Administration continue to welcome comments on the draft Columbia River System Operations Environmental Impact Statement through April 13, 2020.
  • March

    All CRSO EIS meetings switched to virtual

    Evolving health and safety policies from our regional partners designed to hinder the spread of COVID-19 in Washington and Oregon have prompted federal officials to replace all scheduled in-person public comment meetings with phone-in meetings for the recently released Columbia River System Operation draft Environmental Impact Statement.
  • Feds shift Seattle, Portland CRSO EIS meetings to 'phone only'

    Officials from the U.S. Army Corps of Engineers, Bureau of Reclamation and the Bonneville Power Administration decided that the in-person public comment meetings planned for Seattle and Portland will not be held due to the high number of COVID-19 cases reported to the Centers for Disease Control and Prevention in those geographical areas and calls from local officials to limit public exposure. Phone-in options have been added to the formal comment choices for those avoiding crowded venues.
  • February

    Federal agencies release Columbia River System Operations draft environmental impact statement and preferred alternative

    The U.S. Army Corps of Engineers, Bureau of Reclamation and Bonneville Power Administration today released the Columbia River System Operations draft environmental impact statement for a 45-day public review and comment period from February 28 - April 13, 2020. The draft includes the Preferred Alternative for the operations, maintenance and configuration of the 14 federal dam and reservoir projects that comprise the Columbia River System.
  • November

    CRSO: Introducing the affected environment

    Essential to the National Environmental Policy Act process and the comparison of the alternatives under consideration is the development of the Affected Environment and Environmental Consequences sections of the environmental impact statement.
  • CRSO: Operating dams to support fish passage

    The Corps and Reclamation operate Hungry Horse, Libby, Albeni Falls, Grand Coulee and Dworshak dams to store water to reduce flood damages downstream and deliver water for irrigation, among other purposes. However, storing water can interrupt the seasonal river flow patterns.
  • Defining the Environment under NEPA

    The National Environmental Policy Act requires federal agencies to evaluate each of the alternatives thoroughly to support comparisons about their implementation and their impacts on resources in natural and physical environments.
  • CRSO EIS Featured Project - Hungry Horse Dam

    The Columbia River System is large and complex. This educational feature introduces you to individual projects that play a role in supporting the region’s tribes, communities, industries and fish and wildlife species.
  • CRSO EIS Featured Project - Dworshak Dam

    The Columbia River System is large and complex. This educational feature introduces you to individual projects that play a role in supporting the region’s tribes, communities, industries and fish and wildlife species.
  • Citizen’s Guide to ESA Accomplishments

    For highlights of eight years of accomplishments to protect and conserve ESA-listed salmon and steelhead in the Columbia River Basin, read the 2016 Citizen’s Guide.