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This page provides access to current water resources information. This data is updated
at one to four hour intervals.
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Monthly project statistics, frequently asked questions, outage schedule, project standing orders, discharge measurements, boat ramp elevations, etc.
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Post 2011 Flood Event Analysis of Mainstem Flood Control Storage.
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Annual Operating Plan Public Meetings - Presentation
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Story boards for Annual Operating Plan public meetings
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September runoff in the Missouri River Basin above Sioux City, Iowa, was 1.0 million acre feet, 91 percent of average, according to the U.S. Army Corps of Engineers. This marks the fourth consecutive month with below average runoff in the upper basin. The 2016 calendar year runoff forecast is 22.7 MAF, which is 90 percent of the historic average. The total volume of water stored in the Mainstem Reservoir System on October 1 was 57.4 MAF, occupying 1.3 MAF of the 16.3 MAF combined flood control storage zones. System storage declined 0.7 MAF during September. Water that was captured in the reservoirs during the spring and summer is being released during the drier months to serve navigation, irrigation and other authorized purposes.
[Read More]
Published: Oct-11-16
OMAHA, Neb. – August runoff in the Missouri River Basin above Sioux City, Iowa, was 1.0 million acre [Read More]
Published: Sep-08-16
July runoff in the Missouri River Basin above Sioux City, Iowa, was 2.3 million acre feet (MAF), 69 percent of average, according to the U.S. Army Corps of Engineers (Corps). This follows a June runoff that was 74 percent of average. The 2016 calendar year runoff forecast is 22.7 MAF, which is 89 percent of the historic average.
The total volume of water stored in the Mainstem Reservoir System is currently 59.4 MAF, occupying 3.3 MAF of the 16.3 MAF combined flood control storage zones. “System storage peaked on June 22 at 60.1 MAF and is gradually declining. The water currently stored in the annual flood control zone will be released during the remainder of the year to serve navigation, water supply and other downstream purposes and will be completely evacuated prior to the start of next year’s runoff season,” said Jody Farhat, chief of the Corps’ Missouri River Basin Water Management Division. [Read More]
Published: Aug-03-16
OMAHA, Neb. – June runoff in the Missouri River Basin above Sioux City, Iowa, was 4.1 million acre [Read More]
Published: Jul-07-16
OMAHA, Neb. – Runoff in the Missouri River Basin above Sioux City, Iowa, was 4.5 million acre feet [Read More]
Published: Jun-07-16
OMAHA, Neb. – Runoff in the Missouri River Basin above Sioux City, Iowa, was 1.8 million acre feet (MAF) during March, only 60 percent of average, according to the U.S. Army Corps of Engineers (Corps). [Read More]
Published: Apr-07-16
The U.S. Army Corps of Engineers is increasing releases from Gavins Point Dam and other mainstem Missouri River dams to continue preparing their reservoirs for the upcoming runoff season, which is expected to be near average. [Read More]
Published: Jan-07-16
Monthly Missouri River Basin Water Management Division report [Read More]
Published: Dec-07-15
Runoff in the Missouri River Basin above Sioux City, Iowa, for the month of October was 0.9 million acre feet, 78 percent of average. The 2015 runoff forecast is 25.0 MAF, 99 percent of average. Average annual runoff is 25.3 MAF. [Read More]
Published: Nov-10-15
Runoff in the Missouri River Basin above Sioux City, Iowa for the month of September was just under 1.0 million acre feet (MAF), 84 percent of average. The 2015 runoff forecast is 24.9 MAF, 98 percent of average. Average annual runoff is 25.3 MAF. The total volume of water stored in the Mainstem Reservoir System is currently 59.3 MAF, occupying 3.2 MAF of the 16.3 MAF combined flood control storage zones. The plan is to evacuate all water stored in the flood zones of the reservoirs prior to the start of next year’s runoff season, which typically begins around March 1. [Read More]
Published: Oct-06-15
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