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  • Virtual Missouri River fall public meeting in-lieu of canceled meetings

    In-person public meetings on Missouri River Mainstem Reservoir system operations, which were scheduled for Monday, Oct. 27; Monday, Nov. 3; and Tuesday, Nov. 4 have been canceled. A virtual meeting on Missouri River Mainstem Reservoir system operations is scheduled for Thursday, Oct. 30 to present the draft 2025-2026 Annual Operating Plan.

  • September runoff above average; Fall public meetings set

    Although overall runoff for September 2025 in the upper Missouri River Basin was above average, runoff in the Fort Peck and Garrison reaches continues to be well-below average. “Beneficial rainfall occurred over central South Dakota and North Dakota in September resulting in well-above average runoff into Oahe, Big Bend, Fort Randall, and Gavins Point,” said John Remus, chief of the U.S. Army Corps of Engineers’ Missouri River Basin Water Management Division.

  • System storage declining, Gavins Point Dam's winter releases will be minimum rate

    August runoff was 1.5 million acre-feet, 109% of average above Sioux City with most of the runoff entering the System below Garrison Dam. September runoff in the upper Basin is forecast to be well below average, especially in the Fort Peck and Garrison reaches. The updated 2025 calendar year forecast for the upper Basin is 19.1 MAF, 74% of average. Average annual runoff for the upper Basin is 25.7 MAF.

  • Dworshak’s “Skeleton Bay” flooded in key step toward regional energy growth

    On the banks of the North Fork Clearwater River, a new chapter is being written for one of the Pacific Northwest’s most important hydropower resources. The U.S. Army Corps of Engineers (USACE) Walla Walla District, in partnership with the Bonneville Power Administration (BPA), has taken a key step toward expanding the Dworshak Dam powerhouse with a fourth generating unit.

  • Heat wave spikes temps and hydropower demand

    With regional temperatures spiking during this week’s heat wave, the demand for electricity follows. As people turn on fans, air conditioners and other cooling devices, power providers rely on hydropower because dams can bring turbines on quickly, to add immediate supply and provide grid stability.

  • Below normal runoff continues in the Upper Missouri Basin

    July runoff in the Missouri River Basin above Sioux City, Iowa was 2.0 million acre-feet (MAF), 62% of average. Runoff was below-average in the Fort Peck and Garrison reaches with average to above-average runoff in the lower four reaches. The annual runoff forecast above Sioux City, Iowa is 19.2 MAF, 75% of average.

  • The Family That Powers On: Generations and Decades of Hydropower Dedication

    For over six decades, two generations of Webb men have harnessed the power of water—first with calloused hands and steel resolve, then with hydropower and a quiet, unyielding desire to serve their fellow man.

  • Army Corps improves Libby Dam’s electrical reliability; strengthens capabilities to manage river temperatures downstream for critical aquatic ecosystem

    Army Corps improves Libby Dam’s electrical reliability with installation of Generator Unit No. 6. In addition to the unit installation, Corps officials are upgrading its selective withdrawal system, aiding continued and enhanced ability to provide river temperatures downstream of the dam, critical for resident trout species, threatened bull trout and endangered Kootenai River white sturgeon.

  • Why Table Rock Lake Empties First

    If you’ve ever spent time around Table Rock Lake when the lake level is high after repeated heavy rainfall events, you may have noticed something curious. The water levels here start dropping before you see any change at nearby Beaver Lake or even the massive Bull Shoals Lake downstream.

  • Army Corps upgrades Libby Dam’s aging equipment

    Army Corps enhances Libby Dam's hydropower generating efficiency, reliability and performance with its Generator Step-Up Transformer rehabilitation project, July 28, 2025, to continue providing electricity to 500,000 homes.