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  • Blue Marsh Lake HARMFUL ALGAL BLOOM ADVISORY Update

    The U.S. Army Corps of Engineers’ (USACE) Philadelphia District is updating the harmful algal bloom status at Blue Marsh Lake from a Watch Status up to a Harmful Algal Bloom Advisory Status. 

  • Rapid mountain snowmelt; above-average May runoff

    Warm temperatures in the mountainous region of the upper Missouri River Basin has led to a quick melt of the mountain snowpack. The rapid melting combined with precipitation in the western half of the Basin resulted in above-average inflow into the reservoir system. May runoff for the Basin above Sioux City, IA was 4.9 million acre-feet, 144% of average.

  • ORBIT stakeholders navigate Kentucky Lock Addition Project

    GRAND RIVERS, Ky. (May 19, 2023) – The Ohio River Basin Inspection Tour visited western Kentucky this week where stakeholders of the basin highlighted healthy and productive ecosystems, reliable flood risk management, and resilience of the Ohio River waterway system for inland navigation. They also navigated to the Kentucky Lock Addition Project for a construction update and better understanding of how the larger lock will help unlock congested commercial barge traffic.

  • Fort Peck releases to decline during maintenance

    Releases from Fort Peck Dam will be reduced from 9,000 cubic feet per second to 6,000 cfs on May 22. Releases will be increased back to 9,000 cfs on June 2. If the maintenance work is completed early, releases will return to 9,000 cfs as soon as possible.

  • USACE announces public comment on proposed alum treatment system for C-43 West Basin Storage Reservoir pursuant to Section 408

    The U.S. Army Corps of Engineers (USACE) Jacksonville District announces a 30-day public comment period for the Draft Environmental Assessment (EA) and Proposed Finding of No Significant Impact (FONSI) for the approval of construction of an aluminum sulfate (alum) treatment system during the construction of the authorized C-43 West Basin Storage Reservoir (WBSR) in Hendry County, Florida. The Corps is evaluating the request from the South Florida Water Management District (SFWMD) to modify the C-43 WBSR Federal Civil Works project pursuant to 33 U.S.C. 408. Comments are due June 5, 2023.

  • Spring precipitation improves Missouri River Basin runoff forecast

    Late season plains snowpack accumulation and subsequent melting led to increased runoff throughout the upper Missouri River Basin during April. For the month, runoff was 4.7 million acre-feet, 159% of average, for the basin above Sioux City, IA. The annual runoff forecast for the upper Missouri River Basin above Sioux City, IA is 26.9 MAF, 105% of average, and 0.5 MAF higher than last month’s forecast. However, soil moisture remains slightly below normal in eastern Montana and the western Dakotas, and well below normal in Nebraska. Even with the plains snowmelt, soils dried out in late April over a large portion of the upper basin.

  • Missouri River Spring Virtual Public Meeting - Make Up - April 20

    A virtual make up meeting has been scheduled for April 20 at 1 p.m. after two in-person meetings were canceled due to weather on April 4. The virtual meeting can be accessed at the QR code and the url in the graphic.

  • First Bipartisan Infrastructure Law project is a story of success for the Walla Walla District

    The Walla Walla District recently completed dredging work at the confluence of the Snake and Clearwater rivers near Lewiston, Idaho and downstream of Ice Harbor Dam. This is the first project the district has completed using Bipartisan Infrastructure Law funds.

  • Upper basin runoff forecast improves with spring precipitation

    The latest 2023 calendar year runoff forecast for the Missouri River Basin above Sioux City, Iowa is showing improvement. The 2023 calendar year runoff forecast above Sioux City is 26.4 million acre-feet (MAF), 103% of average. The runoff forecast is based on current soil moisture conditions, plains snowpack, mountain snowpack, and long-term precipitation and temperature outlooks. March runoff in the Missouri River Basin above Sioux City was 1.7 MAF, 57% of average.    

  • Upper basin runoff forecast below average; Gavins Point releases to increase for navigation flow support; April public meetings

    The updated 2023 calendar year runoff forecast for the Missouri River Basin above Sioux City, Iowa, continues to be below average. The 2023 calendar year runoff forecast above Sioux City is 21.5 million acre feet, 84% of average. The runoff forecast is based on current soil moisture conditions, plains snowpack, mountain snowpack, and long-term precipitation and temperature outlooks. February runoff in the Missouri River Basin above Sioux City was 1.0 MAF, 86% of average.