UPDATE 9:33 PM: In response to icing conditions in Bismarck, the Army Corps of Engineers is reducing flows to 23,000 CFS this evening and is limiting power peaking because dropping the releases further has the potential to actually exacerbate the situation.
Mandan, N.D. – An ice jam is threatening property along the Missouri River shoreline just north of the Grant Marsh Bridge near Mandan.
Residents along the river should move any items sitting in low-lying areas to higher ground. Water in the area of Square Butte Creek along Willow Road and Rosy Lane has risen approximately 18 inches since yesterday after a resident reported water rising a foot on his property.
“Some places in the lower drainages, water is starting to come up,” said Morton County Commission Chairman Bruce Strinden who drove the area this afternoon. “We want to alert the residents that we could have some fluctuating water levels and they may want to consider moving items in low areas.”
Morton County Emergency Management is working with the US Army Corps of Engineers to hold back on increased releases at Garrison Dam until the ice jam issue has been resolved. The Corps had increased discharges from 23,000-CFS to 24,000-CFS earlier this week and planned to increase to 24,500-CFS tomorrow, Jan. 2.
The Morton County Sheriff’s patrol units are monitoring the area for additional concerns. If anyone notices rapidly rising water, please call (701) 667-3307 or submit the information on our website here.
Bismarck, N.D. – The same ice jam is also causing minor flooding from Misty Waters up through Hoge Island on the Bismarck side of the Missouri River, as well as the Square Butte Creek areas.
An ice jam caused by recent cold weather is affecting water levels in rural developments along the Missouri River up north of the Bismarck and Mandan area.
Without warning, rapid rises in water levels due to shifting and accumulating ice are expected over the next 24 hours.
According to the Burleigh County Emergency Management Team–Burleigh County has established two, self-fill sandbag sites:
▪️Lariat Lp, (Ponderosa Riverside Subdivision)
▪️South of Burnt Creek Island Rd (Hogue Island Subdivision)
You must bring your own shovel and gloves.