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Posted on: March 6, 2019

Reclamation Issues Snowmelt Forecast and Expected Operations for North Platte River Basin

The March forecasts indicate the spring snowmelt runoff will be near average. Total April through July runoff in the North Platte River Basin above Glendo Dam is expected to be 890,000 acre-feet (af) which is 98 percent of the 30-year average.

As of February 28, 2019, storage content in the North Platte Reservoirs amounts to 1,759,773 af, which is 110 percent of the 30-year average. The total conservation storage capacity of the North Platte Reservoir System is approximately 2.8 million af.

Current releases are 530 cubic feet per second (cfs) from Seminoe Reservoir through the Miracle Mile, 500 cfs out of Gray Reef, and 0 cfs out of Guernsey Reservoir. Based on current projections for the months of April, May, June, and July, the releases out of Seminoe Reservoir are not expected to exceed 3,000 cfs, while flows out of Gray Reef are expected to be in the range of approximately 2,500 to 3,000 cfs. Releases from Guernsey will be in the 3,500 to 5,300 cfs range. Pathfinder Reservoir is not expected to spill this spring.


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