Reservoirs along the Lower Snake River, which are home to endangered Snake River sockeye, similarly crested to 69.53 degrees, according to the nonprofit Save Our Wild Salmon, which tracks water ...

On the banks of the Snake River in far eastern Washington, sockeye salmon have had a rough summer. The water behind the last major concrete dam they have to swim past is way too hot. “It’s ...

On average, 40% to 70% of adult Snake River sockeye counted at Bonneville Dam make it to Lower Granite Dam on the Snake River. Known as conversion, the rate varies based on river conditions.

The dams’ average output is 940MW, enough electricity to power Seattle, for example, for a year. At capacity, the dams will ...

Fifty years ago in June, elected officials gathered in Lewiston to celebrate a remarkable feat: With the completion of the Lower Snake River dams, a $1 billion project had effectively turned the ...

Smashing records, sockeye salmon are booming up the Columbia River, in a run expected to top 700,000 fish before it’s over. But a punishing heat wave has made river temperatures so hot many may ...

Several conservation and fishing groups say the Snake River dams are making the river too hot for sockeye salmon. Now, they’re planning to sue the federal government to remove the dams.

Snake River sockeye salmon travel nearly 900 miles from the Pacific Ocean to the Sawtooth Valley lakes in Idaho. NOAA ...

Snake River sockeye salmon are making a good showing at Bonneville Dam, but the endangered fish must contend with rising water temperatures to complete their daunting 900-mile journey back to ...

A coalition of environmental groups will ask a federal judge to order dams on the lower Snake River to be breached as a necessary step to prevent the extinction of endangered sockeye salmon that ...

While the sockeye headed to B.C. are breaking records, endangered Snake River sockeye — the first in 1991 of 13 runs to be listed under the Endangered Species Act — continue to do terribly.