Dec. 5—At Friday morning's monthly meeting of the Lewis County mayors and commissioners, a resolution was created requesting the Washington State Transportation Commission to rename the U.S. Highway ...

The operator of Mossyrock Dam, the tallest dam in Washington state, has proposed lowering the lake behind it by 30 feet into the next decade as a hedge against damage from a large earthquake.

The lower water level will be employed during the spring and summer months when mountain snow runoff is typically allowed to fill the reservoir. By keeping less water behind the dam, Tacoma Power ...

Strengthening the spillway gates at Mossyrock Dam will take many years and will mean that Riffe Lake will be kept 30 feet below full level at least into the next decade, according to the hydroelectric ...