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  • Reminder for Missouri River Basin fall public meetings

    This is a reminder that the U.S. Army Corps of Engineers will host its fall public meeting series for the Missouri River Basin November 7-9, 2023. These public meetings are held each spring and fall across the Missouri River Basin and provide an update on current year's runoff and reservoir operations, as well as planned operations for the next year's runoff season.

  • September runoff near average; Drought conditions continue in Missouri River Basin

    The month of September brought mixed results for precipitation across the Missouri River Basin. Portions of Montana, North and South Dakota, and Nebraska received above average rainfall, while the remainder of the upper basin and lower basin were below average. Overall, September runoff in the Missouri River Basin above Sioux City, Iowa was 1.3 million acre-feet, 109% of the long-term average. The annual runoff forecast for the upper Missouri River Basin above Sioux City, IA is 29.1 MAF, 113% of average and the same as last month’s forecast.

  • Paddling the distance

    Each year, hundreds of adventurous paddlers brave 340 miles of the Lower Missouri River within a matter of 3 1/2 days as part of the annual Missouri American Water MR340 race hosted by Missouri River Relief. As the world’s longest non-stop river race, MR340 is a test of endurance. It is also an opportunity for people around the nation and world to learn more about the Missouri River and how the Kansas City District, U.S. Army Corps of Engineers manages the lower Missouri River Basin. Within the training all paddlers must do before the race, a warning is given to keep an eye out for the structures along the Missouri River including dikes, chutes and revetments. These structures are placed and maintained by the Kansas City District, so the Missouri River is able to self-maintain a navigation channel.

  • Now Available: Draft Missouri River Operating Plan; Possible Fort Peck test flow; Fall public meeting schedule

    Ahead of fall public meetings, the Draft Missouri River Mainstem Reservoir System Annual Operating Plan for the 2023-2024 runoff season is now available for public comment. The public comment period on the draft plan will close Nov. 30. 

  • Gavins Point winter release slightly above minimum rate

    Rainfall in the Missouri River Basin above Sioux City, Iowa, was above normal for the month of August, resulting in above average runoff. However, due to drier-than-normal conditions in previous years, the total storage in the Missouri River mainstem reservoir system remains lower than normal. Based on the Sept. 1 system storage, winter releases from Gavins Point Dam will be 13,000 cubic feet per second, per the criteria in the Master Manual. This release rate is slightly above the minimum rate of 12,000 cfs.

  • Vegetation control to begin on Missouri River sandbars between Garrison Dam and Huff, N.D.

    The U.S. Army Corps of Engineers will conduct vegetation management activities during August and September on sandbars in the Missouri River between Garrison Dam and Huff, N.D. to keep the sandbars free of vegetation and usable by the threatened Piping Plover for nesting.

  • Missouri River Basin drought conditions persist

    July runoff in the Missouri River basin above Sioux City, Iowa was 3.3 million acre-feet (MAF), 99% of average. Runoff was near or above average in all reaches except the Fort Peck reach, which was 68% of average. The annual runoff forecast above Sioux City, IA is 28.5 MAF, 111% of average.

  • Gavins Point releases increased after System storage check

    Above average rainfall and fast-melting snow led to above average runoff in the upper Missouri River Basin in June. Runoff above Sioux City, Iowa was 6.7 million acre-feet, which is 122% of average. The annual runoff forecast above Sioux City, Iowa is 29.2 MAF, 114% of average, and about 2.4 MAF higher than last month’s forecast.

  • Results posted: USACE to hold webinar for Missouri River flow frequency analysis

    The public is invited to attend a webinar July 19, 2023, from noon – 1:00 p.m. CST by the U.S. Army Corps of Engineers. The Kansas City and Omaha districts have completed the updates to the flow frequency data on the Lower Missouri River. The focus of the review is for partners in flood preparedness and response to learn more about the updates and how to use the new data.

  • River training structure repairs progressing on Missouri River: Bipartisan Infrastructure Law pivotal

    The flood of 2019 made apparent the need for extensive repairs on the Missouri River training devices – dikes and revetments – that direct the downstream flow into the navigation channel to keep it deep enough for boat traffic and generally clear of debris. The Bipartisan Infrastructure Law allocated $248 million to repair those devices that are on the lower stretch of the Missouri River.