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Columbia Basin News Releases


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River operators increase flows to welcome returning chum salmon

Sometimes being underwater is a good thing, especially for Columbia River salmon nests, called redds. This fall, federal agencies are increasing Columbia River flows below Bonneville Dam to ensure the redds of spawning chum salmon stay covered with water. The agencies have conducted these “chum operations” every fall since 2000. Beginning Nov. 2, the river will be held between 11.5 to 13 feet above sea level to ensure chum can spawn at the mouth of Hamilton Creek in the Columbia River Gorge. For chum operations to occur, water is released from reservoirs as far away as Hungry Horse and Libby dams in Montana, more than 850 river-miles upriver from Bonneville Dam. The water is then captured and released as needed to create spawning flows that keep the redds underwater. [Read More]
Published: Nov-02-18

Higher Columbia River water levels possible this fall

River levels between John Day and McNary dams could be higher during the next three months, the U.S. Army Corps of Engineers announced today. From October through December, Lake Umatilla, the section of the Columbia River above John Day Dam, will be operated in a broader and higher range. That means river users could see river levels 2.5 feet higher than in the spring and summer. [Read More]
Published: Sep-28-18

Columbia-Snake winter navigation lock schedule begins Sept. 15

COLUMBIA-SNAKE RIVERS, Ore. & Wash. -- Beginning Saturday, Sept. 15, recreational boaters can lock past U.S. Army Corps of Engineers dams on the lower Snake and Columbia rivers almost any time during daylight hours, according to Corps navigation planners. Commercial vessels will have precedence, and recreational vessels may be allowed to lock through with commercial craft at the discretion of the lockmaster. [Read More]
Published: Sep-10-18

Lower Columbia River levels to remain high, fast

Residents and river user along the lower Columbia River can expect higher-than-normal water levels over the next week, according to federal water managers and meteorologists. [Read More]
Published: May-14-18

Spring fish operations begin on the lower Snake and Columbia rivers

The U.S. Army Corps of Engineers began implementing its 2018 Spring Fish Operations Plan at the four lower Snake River dams today. The 2018 plan includes operations for the spring fish passage season at the lower Snake and lower Columbia River projects, utilizing tools such as spill, river flow and water level adjustments, bypass operations, and transportation of juvenile fish from Lower Granite, Little Goose, and Lower Monumental dams. [Read More]
Published: Apr-03-18
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