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River level continues to rise

April 18, 2011

The Morning News—Melanie Moore Heavy precipitation and high river levels have flooded this low-lying access road near the Snake River by West Collins Siding Road. The river level is expected to rise this week, cresting at 9.34 feet Wednesday.

BLACKFOOT — The water level on the Snake River near Blackfoot continues to rise as the combination of additional precipitation, snowmelt and reservoir releases adds to the water's volume.
The Snake River near Blackfoot is expected to crest at 9.34 feet early Wednesday morning before slowly subsiding through the rest of the week, according to the National Weather Service's Advanced Hydrologic Prediction Service. Action stage is 9.5 feet, with flood stage at 10 feet.
"Right now it's at 9.02 feet," Bingham County Emergency Management Director Craig Rowland said.
Rowland said when the river reaches action stage the county begins preparing for a potential flood.
Water was released from Palisades Reservoir earlier this year, increasing flows downstream on the Snake River. The U.S. Bureau of Reclamation began releasing water from Jackson Lake Dam, located upstream from Palisades Reservoir on April 9.
Jackson Lake is currently at 76 percent capacity. Palisades is 31 percent full.
Rowland said the river level will change with additional precipitation. A chance of rain exists through the rest of the week, with the most potential for rain Wednesday night through Thursday.
The water level of the Snake River, on average, typically begins to rise in March, continuing upward through May before subsiding in June. Last year, the Snake River near Blackfoot peaked at 10.35 feet on June 14, according to the National Weather Service.

 

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