Outdoors

Roosevelt lake levels on downward trend

Lake Roosevelt water levels Feb. 19, 2013. (U.S. Bureau of Reclamation)
Lake Roosevelt water levels Feb. 19, 2013. (U.S. Bureau of Reclamation)

RESERVOIRS — The level of Lake Roosevelt was 1278.4 feet today in a drop that was predicted to be around 1 foot in a 24 hour period.

The elevation of Lake Roosevelt is expected to drop by about 1/2 foot per day over the next week. It is antipated the elevation will be about 1274 by the end of next week, according to the Bureau of Reclamation. 

Currently, Grand Coulee Dam is being operated to meet the minimum tailwater requirement of 13.5 feet below Bonneville Dam for chum.

The flood control elevations for Lake Roosevelt have changed based on the February water supply forecast. January turned out to be a dry month and currently the forecast does not call for significant precipitation into the near future. The water inflow forecast from January - July into Lake Roosevelt is 89% of average.

The flood control levels are the maximum elevation for Lake Roosevelt. Other factors such as power demand or supplying water downstream for fish can result in elevations under the flood control elevations.

The flood control elevations are as follows:

  • Feb. 28 - 1290 feet
  • March 31 - 1282.3 feet
  • April 30 - 1260.8 feet

These elevations can and probably will change with the March water supply forecast.

This is only a prediction and can change due to weather events, power demand or other unforeseen power emergencies.

Get daily lake level forecast by phone, updated daily at 3 p.m: (800) 824-4916.

Also, check out this new NOAA site with Roosevelt levels and a list of boat launching elevations on the same page.




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Rich Landers

Rich Landers’ Outdoors blog


Rich Landers writes and photographs stories for a wide range of outdoors coverage, including a Sunday feature section and a Thursday column. He also writes the Outdoors Blog.


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