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  • Columbia River environmental review begins, agencies seek input

    Two federal agencies are seeking public input on changed circumstances and new information regarding Columbia River System operations to inform preparation of a Supplemental Environmental Impact Statement (SEIS). The U.S. Army Corps of Engineers (USACE) and the Bureau of Reclamation (Reclamation), who are the co-lead agencies for the SEIS, issued a notice of intent in the Federal Register, today, which announced the effort and the need for public input over the next 90 days.

  • Gavins Point Dam releases reduced to winter release rate

    The U.S. Army Corps of Engineers began reducing the Gavins Point releases to the winter release rate on Nov. 23 with the navigation flow support season ending on Dec. 1 at St. Louis. “Releases from Gavins Point Dam are being reduced to the 12,000 cubic feet per second winter release rate by mid-December,” said John Remus, Chief of the Missouri River Water Management Division. “We will closely monitor river conditions, and releases will be adjusted to the extent practical to lessen the impacts of river ice formation on stages in the lower river.” Releases were at 32,000 cfs prior to the reductions.

  • Gavins Point Dam releases to be reduced to winter release rate

    Gavins Point Dam releases will be reduced in late November as flow support to navigation ends. Releases are currently 32,000 cubic feet per second.

  • Army planners, Washington State agree to study potential future recreation and transportation services

    Officials from the U.S. Army Corps of Engineers (USACE) and Washington State have entered into agreements to study recreation- and transportation-related services that could be needed if, in the future, Congress were to authorize the breach of the four lower Snake River dams.

  • September runoff below average; October public meetings

    September runoff in the upper Missouri River Basin was well-below average, continuing the trend of below-average runoff in 2024. “Although Montana precipitation was wetter-than-normal in September, much of the basin was very dry and warm, causing the September runoff in all reaches above Gavins Point to be well-below average,” said John Remus, chief of the U.S. Army Corps of Engineers’ Missouri River Basin Water Management Division.

  • Gavins Point winter releases will be minimum rate

    Abnormally dry or drought conditions are currently present across 73% of the Basin, with drought conditions likely to persist or worsen through November. August runoff was 1.2 million acre-feet (MAF), 86% of average above Sioux City. The updated 2024 calendar year forecast for the upper Basin is 23.8 (MAF), 92% of average. Average annual runoff for the upper Basin is 25.7 MAF.

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