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Albeni Falls News

Aug. 20, 2014

Army Corps to host public information meeting in Priest River Aug. 27

The U.S. Army Corps of Engineers is hosting a public meeting Aug. 27 in Priest River, Idaho, to inform the public on Albeni Falls Dam operations.  Representatives from the Corps will discuss upcoming fall and winter operations, lake level coordination and review this year’s spring and summer operations.

Public Information Meeting Details:

Wednesday, Aug. 27, 5-7 p.m.
Priest River Event Center
5399 Highway 2
Priest River, Idaho 83856


June 24, 2014
Army Corps to keep Lake Pend Oreille up higher longer in September

May 30, 2014

Lake Pend Oreille, Pend Oreille River flooding potential

Public Presentations
August 27, 2014 Public Meeting

June 2014 Albeni Falls Dam Downstream Temperature Study

December 2013 Albeni Falls Dam Downstream Temperature Study



U.S. Army Corps of Engineers
Albeni Falls Dam
2376 E. Highway 2
Oldtown, ID 83822


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Albeni Falls Dam

Albeni Falls DamAlbeni Falls Dam was authorized for construction under the Flood Control Act of 1950. This Act was signed by the United States Congress in response to a great flood that swept over the river valleys of the Columbia basin in 1948. Albeni Falls Dam was built from January 1951 to December of 1955 at a total cost of $34 million.

The dam is made up of two different parts: the powerhouse and the spillway. The powerhouse contains powerful turbines and generators that convert gravity-driven river water into hydroelectricity. The spillway can either store water for downstream power production and irrigation at other dams along the Pend Oreille and Columbia Rivers, or release water for upstream flood control. There is 136,000 cubic yards (61 million pounds) of concrete in the structure.

Today, it produces over 200 million kilowatt hours of electrical energy each year. When running at top capacity, the three Kaplan generators can generate 42.6 megawatts. That's enough power to supply about 15,000 homes. Bonneville Power Administration markets this electricity to customers primarily in the Pacific Northwest. This power production saves the United States from buying about 4.9 million barrels of imported oil each year.

Flow Update

For Immediate Release
Feb. 5, 2015

Lake Pend Oreille elevation at Hope: 2,051.7 feet
Albeni Falls Dam inflow: ~32,000 cubic feet per second
Albeni Falls Dam outflow: 28,000 cfs

Outflow from Albeni Falls Dam increased from 28,000 to 30,000 cfs today at 2 p.m. PST.  Corps' water managers are currently regulating flows to hold the elevation of Lake Pend Oreille as low as possible.  High inflows to the lake are exceeding the channel capacity at the lake outfall near Dover, which has resulted in the lake rising above our preferred elevation range of 2,051.0 to 2,051.5 feet, as measured at Hope.  The current forecast shows inflows and the lake elevation continuing to rise into next week.  As the lake levels rise, more water is able to exit the lake through the channel constriction at Dover.  As this occurs, we will continue to increase outflow to keep the lake level as low as possible.

Short term modeling forecasts are provided by the Northwest River Forecast Center.  Their projections for Albeni Falls Dam inflow, outflow and the Lake Pend Oreille at the Hope gage can be found here:

Projections for future operations at Albeni Falls Dam can be found here:

Page 1 shows Lake Pend Oreille Elevation at the Hope gage
Page 2 shows Albeni Falls Dam inflow
Page 3 shows Albeni Falls Dam outflow

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