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Higher Columbia River water levels possible this fall

River levels between John Day and McNary dams could be higher during the next three months, the U.S. Army Corps of Engineers announced today. From October through December, Lake Umatilla, the section of the Columbia River above John Day Dam, will be operated in a broader and higher range. That means river users could see river levels 2.5 feet higher than in the spring and summer. [Read More]
Published: Sep-28-18

June Runoff Below Average in Missouri River Basin

OMAHA, Neb. – June runoff in the Missouri River Basin above Sioux City, Iowa, was 4.1 million acre [Read More]
Published: Jul-07-16

Gavins Point Releases Reduced to Lessen Downstream Flooding

OMAHA, Neb. – Runoff in the Missouri River Basin aboveSioux City, Iowa, was 2.6 million acre feet [Read More]
Published: May-05-16

Corps reports above normal May runoff in the Missouri River Basin; drought conditions improve in upper basin

The U.S. Army Corps of Engineers Missouri River Basin Water Management Division reports May runoff in the Missouri River Basin above Sioux City, Iowa, was 3.7 million acre feet (MAF), 110 percent of normal. The 2015 runoff forecast has increased to 22.5 MAF, 89 percent of normal. Average annual runoff is 25.2 MAF. [Read More]
Published: Jun-05-15

Corps decreases runoff forecast due to lower than normal mountain snowpack

The U.S. Army Corps of Engineers Missouri River Basin Water Management Division is decreasing the annual runoff forecast for the Missouri River Basin above Sioux City, Iowa, to 20.3 million acre feet (MAF), which is 80 percent of normal and 4.9 MAF less than average. The decreased forecast is due to below normal mountain snowpack and the lack of plains snow in the basin. [Read More]
Published: Apr-06-15

Corps invites public to Missouri River operations meetings

The U.S. Army Corps of Engineers Missouri River Basin Water Management Division will hold five public meetings in early April to update stakeholders on current hydrologic conditions and the planned operation of the Mainstem Reservoir System. [Read More]
Published: Mar-06-15

February runoff higher, but 2015 Missouri River forecast still slightly below normal

The U.S. Army Corps of Engineers Missouri River Basin Water Management Division reports runoff in the Missouri River Basin above Sioux City, Iowa was 2 million acre feet (MAF) during February, 186 percent of normal. The increased runoff was caused by above normal temperatures in the upper Missouri Basin that limited river ice build-up, and melted both plains and low elevation mountain snows. However, the 2015 runoff forecast in the same reach is 24.6 MAF, 97 percent of normal, and the March runoff forecast is about 1 MAF less than in February. [Read More]
Published: Mar-06-15

Reservoir system prepared for 2015 runoff season; previously stored flood waters evacuated

Monthly Missouri River Water Management Report for February 2015. Updates on weather conditions, snow pack, reservoir levels and release forecast. [Read More]
Published: Feb-06-15

Corps increases releases due to cold temperatures; normal runoff forecast for 2015

The U.S Army Corps of Engineers Missouri River Water Management Office increased releases from Gavins Point Dam from 17,000 to 20,000 cubic feet per second in late December and early January to offset water lost to ice formation in response to forecasts of cold temperatures. [Read More]
Published: Jan-12-15

Corps reduces Missouri River dam releases to winter levels

As part of the normal operation of the Mainstem Reservoir System, the U.S. Army Corps of Engineers Missouri River Basin Water Management Division has reduced releases from several Missouri River dams to winter levels. [Read More]
Published: Dec-09-14
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