Archive for Flood Updates

Missouri River Situation Update for Mercer County, ND on June 3, 2011

FYI… as of noon on Friday, June 03, 2011:

After meeting with the Corp’s Engineer Dan Pridal, the City of Stanton has decided to place a clay and rock plug in at the northeast side of the City Park and to build a 4 foot clay/rock dike 1/4 mile long along the southeast side of Stanton, which will protect all infrastructure that could be threatened by the Missouri River if the Clay plug at the park would not hold. So along with the plug in the park they will also have the dike, which should help the Stanton residents feel a little better. Of course the situation will continue to be monitored, no one really knows what the Missouri River will do at 150,000 cfs for an extended period of time or how much damage the river’s current is capable of.
Pick City’s rural water line was cut this morning at 9:00 AM. A schedule is being coordinated for getting a portable water truck to start hauling water for the city by tomorrow. Work is being done to install an overland water pipe that would replace the broken rural water line, they expect this job to take at least one week. All Pick City residents are asked to conserve water as much as possible until the overland water pipe project is completed.

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Missouri River Situation Update for Mercer County on June 2, 2011!

Due to the strong currents off the Missouri River, there is concern regarding large erosion of the River’s banks. The City of Stanton has requested, as of 11:00 am June 2, 2011, technical assistance from the Corps regarding protection of their critical infrastructure which would be the southeast lift station and lagoon areas. The City of Pick City has concerns regarding their rural water line that runs across the spillway gate area. They are working on obtaining a portable water truck incase this line should be cut off. Please note that if the line was cut today, Pick City has 6 days of stored water for the city. Below are the Garrison release schedule as of 9:30 AM Wednesday:
Planned releases are subject to change based on changing reservoir and river conditions:
Wednesday 8PM – 100,000 cfs
Note: Controlled spillway releases started, but now closed.
Thursday 8AM – 105,000 cfs
Thursday 8PM – 110,000 cfs
Friday – 115,000 CFS
Sunday 120,000 CFS
Monday Hold at 120,000 CFS
Mid June, going to 150,000 cfs
At 150,000 cfs the river stage at Bismarck is forecast to be at 20.6 feet. Plan for a 1 foot buffer on all dikes according to officials.
They say they will have to use the spillway gates to release all this water, but it WILL be controlled. The spillway has never been used since the dam opened back in the 1950s to release flood water. Note: The spillway gates were closed yesterday due to some concrete wear that they are looking at today.

The Corps states that they have no concerns regarding the Knife River Backing up off the Missouri River and causing flooding anywhere in Mercer County. But local residents that live on the east side of the county and are close to the Missouri River are urged to watch the Knife River, and contact the EM if they see the river flow stop.

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Missouri River Inundation Maps From Garrison Dam to Bismarck/Mandan, ND Area

The following link has all the inundation maps for all Counties from the Garrison Dam and going South.
http://www.nwo.usace.army.mil/html/op-e/maps.html

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Mercer and Oliver Residents living along Missouri River by June 2nd the River will be up 5 feet from where it is today!

To all Mercer And Oliver County Residents living along the Missouri River, you need to add 5 feet to where the Missouri River level is today, May 28, 2011, and then decide if this is going to affect your location and prepare accordingly. If you need sandbags please call Mercer County Shop at 873-5586 during working hours (8:00am-4:00pm).

Please keep up to date with flow changes at the “Missouri River Flood Information” link in the “Weather” Box.

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As of 5:50 PM on Saturday, May 28, 2011 Here is the Garrison Release Schedule.

As of 5:50 PM Saturday, here is the Garrison release schedule.

Planned releases, subject to change based on changing reservoir and river conditions:

Current release is 80,000 cfs
Monday May 30th 85,000 cfs
Wednesday June 1st 105,000 cfs
Thursday June 2nd 120,000 cfs and hold at this rate for about a week.

150,000 cfs is expected to happen at an un-announced date.

At 150,000 cfs the river stage at Bismarck is forecast to be at 20.6 feet, or 4.76` higher than it is right now. Plan for a 1 foot buffer on all dikes.

They say they will have to use the spill way gates to release all this water, but it WILL be controlled. The spill way has never been used since the dam opened back in the 1950s.

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