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While flood events along the Red and
At the present time, however, no major problems are expected for the immediate area.
According to Dave Bolin, refuge manager at the Des Lacs NWR, the past two years of drought conditions have left the Des Lacs lakes with plenty of water storage capacity. “The refuge lakes went into the fall very low, which is a good scenario for the amount of snow we’ve gotten and the amount of runoff we could get this spring,” he said. “We’re in a position where we can store a lot of water, much more than we could normally store, which should reduce flooding downstream.”
Because of the arrangement of water control units and high points on the Des Lacs lakes, refuge personnel can actually divert water from the southern end of the refuge to the northern end. “An example of that will be runoff coming from Tasker’s Coulee,” said Bolin. “To push that water north, we have to keep structure Number Four open.”
The plan is a change from normal spring operations at the Des Lacs NWR. “We’ll be pushing excess water into Units One and Two,” said Bolin, “but we’re going to try not to increase storage there too much because we don’t have the capacity to draw them down. If we push water to the north, we’ll be depending on climate to draw the water levels down to our objectives.”
A shallower water depth is preferable in the
However, the more immediate concern of spring runoff is taking precedence. “Right now, we’re focusing on reducing impact to downstream landowners,” Bolin said. “We’re planning on holding water to our full potential until downstream flooding subsides. A lot of coulees flow into the Des Lacs south of the refuge. We hope that all flows through while we’re storing water.”
He expects the refuge lakes to quickly reach capacity this spring, with water released later in the season to accommodate management goals. In fact, structures Four and Six are scheduled for replacement this summer, but Bolin said current conditions should not delay that construction.
The heavy snow accumulations pose a problem for property owners along the rivers, but the runoff will have a positive effect for sloughs and potholes across the landscape. “With all the potholes drying out the past couple years, they should fill up again now, which will increase the production of the system,” said Bolin, adding that more nutrients would be released and more invertebrate activity would occur to feed more waterfowl. “We should see a spike in duck numbers in a year like this.”
Flood forecasts released Monday by the National Weather Service predicted a 94 percent chance of the
However, Carpio mayor Jamie Armstrong was encouraged by plans to store water at the Des Lacs NWR. “We’ve made sure everything is in order,” he said, adding that the community has access to sand and a small supply of sandbags on hand. “Hopefully, we don’t need it.”
A group of residents has already taken steps to keep runoff flowing freely through town by clearing some drainage ditches and culverts that have been blocked and caused problems in the past.
“The nice thing is that everything was so dry [last summer],” he said. “Now, it depends on how it thaws. If we have a gradual thaw, we’ll be in good shape.”
of storage room, too
Personnel at the Upper Souris NWR are also waiting for the spring runoff to begin, while keeping a close eye on predictions from the National Weather Service, the North Dakota State Water Commission and the Saskatchewan Water Authority. The Souris (Mouse) River flows south of
“We’re following all current predictions on an hourly basis,” said Tom Pabian, refuge manager at Upper Souris NWR. He was particularly concerned about the stretch of river between the refuge and Towner. “It all depends on what Mother Nature brings us. We’re the only controlled dam that flows through the
The lake’s current elevation is 1,590’, while the normal summer operating level is 1,597’. “We can take the lake up to 1,601 feet during a flood event,” said Pabian. “Then we would have to drop it down to 1,597 feet after runoff.”
At the 1,601’ elevation, the lake could hold about 100,000 acre feet of water.
Kelly Hogan, project leader for the Souris River Basin Complex, noted that the Rafferty and Alameda reservoirs on the Souris River in Saskatchewan were also at low levels and capable of storing a great deal of water upstream from Lake Darling. “They’re needing water and they’re going to hold what they can,” he said, adding that the increased run-off this spring could provide a benefit to the fishery at those reservoirs as well as
Hogan and Pabian emphasized that because of international agreements for managing
According to Monday’s flood forecast by the NWS, communities along the