News Releases

Results:
Category: Water Management - Missouri River
Clear
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.