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  • Join USACE water managers for public meetings on Missouri River system operations

    After a season of virtual-only updates, USACE Missouri River water managers look forward to meeting with members of the public in person this spring. The public is invited to join the U.S. Army Corps of Engineers and local weather experts for a series of briefings on the 2026 runoff season, reservoir status, and our planned operations for the year ahead.

  • Dry outlook persists for Missouri River despite early spring runoff; Navigation support to begin mid-March

    Warm February temperatures triggered early snowmelt and runoff in the Missouri River Basin above Sioux City, Iowa, but the overall 2026 runoff forecast remains well below average. February runoff was 1.3 million acre-feet, 113% of average. Despite this above average runoff in the Garrison, Oahe, and Gavins Point reaches, the full-year runoff forecast above Sioux City, Iowa is 20.6 MAF, 80% of average.

  • Updated changes to traffic patterns at Garrison Dam

    The U.S. Army Corps of Engineers, Omaha District announces updates to traffic patterns for Garrison Dam Crest Road and Spillway Bridge due to summer maintenance and construction. The Crest Road lighting replacement is underway with completion expected Sept. 12, 2025, and Spillway Bridge concrete repair is scheduled for July 14 to Oct. 31, 2025. During these times, contractors will have traffic controls in place resulting in reduced speeds and one-lane travel. USACE appreciates the public’s understanding and slow passage through these work areas to help keep workers safe.

  • USACE announces summer traffic pattern changes for Garrison Dam

    The U.S. Army Corps of Engineers, Omaha District, announces changes to traffic patterns for Garrison Dam Crest Goad and Spillway Bridge due to summer maintenance and construction. The Crest Road lighting replacement is scheduled for May 15 to Sept. 12, 2025, and Spillway Bridge concrete repair is scheduled for June 16 to Sept. 15, 2025. During these times, contractors will have traffic controls in place resulting in reduced speeds and one-lane travel for commuters during daylight hours. These controls will be removed at night. USACE appreciated the public’s understanding and slow passage through these work areas to help keep workers safe. If feasible, commuters are encouraged to consider alternate routes.

  • Government Bay Boat Ramp at Garrison Dam Closed starting March 27th

    The road leading to the Government Bay boat ramp at the junction with Missouri Drive in Riverdale, North Dakota will be temporarily closed beginning March 27 for boat ramp and bay maintenance scheduled by the U.S. Army Corps of Engineers, Omaha District.

  • Garrison Dam Draft Environmental Assessment study open for public comment

    The U.S. Army Corps of Engineers, Omaha District is releasing its Draft Environmental Assessment to evaluate measures to reduce unacceptable dam safety risks at Garrison Dam on the Missouri River in Mercer and McLean Counties, North Dakota. The public is encouraged to provide feedback and comments during this 30-day review and comment period.

  • USACE to host virtual, public meeting for Garrison Dam spillway evaluation

    OMAHA, Neb. – The U.S. Army Corps of Engineers, Omaha District welcomes the public to participate in a virtual, public scoping meeting on Thurs., June 2 to learn about the Garrison Dam Safety Modification Study. Garrison Dam is located near Riverdale, North Dakota.

  • USACE hosting virtual public meeting for study to evaluate Snake Creek Embankment

    The U.S. Army Corps of Engineers-Omaha District welcomes the public to participate in a virtual scoping meeting Thursday, March 24 to learn about the recently initiated Snake Creek Embankment Dam Safety Modification Study.

  • 2021 Online reservations now available for Lake Sakakawea, Lake Audubon campgrounds: Downstream, East Totten Trail, Wolf Creek

    The U.S. Army Corps of Engineers, Omaha District announces that the Downstream, East Totten Trail, and Wolf Creek campgrounds on Lake Sakakawea and Lake Audubon in North Dakota are scheduled to open May 14, and that online reservations are now being accepted.

  • USACE conducting dam safety modification study efforts at Garrison Dam in North Dakota

    OMAHA, Neb. -- The U.S. Army Corps of Engineers, Omaha District is conducting a dam safety modification study at Garrison Dam, near Riverdale, North Dakota. The study addresses risks associated with the design of the concrete spillway. These risks were identified during the 2011 Missouri River flood, when the Garrison Dam’s spillway was used for the first time in the dam’s nearly 70 year history to help control the flow of the Missouri River and lessen the impacts of severe flooding on downstream communities like Bismarck.