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Libby Dam

17877 Highway 37

Libby, Montana 59923-7828

Libby Dam Office (406) 293-7751 

Kootenai River Levels Recording (406) 293-3421

For Visitor Information contact the Visitor Center (406) 293-5577

 

 

Libby Dam

Libby Dam Project is a multi-purpose water resource development.  Its purposes are flood reduction, hydropower, recreation, and environmental stewardship. We recognize that our day to day activities in operating a facility such as Libby Dam have a direct impact on the environment. Our goal is to operate Libby Dam to minimize negative impacts on the environment through pollution prevention and mitigation, and we are committed to continual improvement.  Our commitment is to comply with environmental legislation, rules, and regulations. We encourage environmental stewardship at every level throughout the organization.

Flow Update

April 21, 2016

Current Koocanusa Reservoir elevation:  2,397.7 feet

Current Koocanusa Reservoir inflow: ~21,500 cubic feet per second

Current Libby Dam outflow: 16,500 cfs

Current Kootenai River elevation at Bonners Ferry: 1,755.5 feet

Outflow from Libby Dam will remain at 16,500 cfs.  Refill operations officially began at Libby Dam on April 20.  The current refill flow, based on the April water supply forecast, is 16,500 cfs.

The water supply forecast for Water Year 2016 was released April 8 and calls for 6.681 million-acre-feet, or 114 percent of average based on 1981-2010.

The Northwest River Forecast Center creates daily forecasts for short term projections throughout the Kootenai and Columbia River Basins.  These forecasts may be updated multiple times in a day and as conditions change.  Links to those forecasts can be found below.

Short term forecasts for Libby Dam elevations and inflows:



http://www.nwrfc.noaa.gov/river/station/flowplot/flowplot.cgi?lid=LYDM8

Short term forecasts for Libby Dam outflow:



http://www.nwrfc.noaa.gov/river/station/flowplot/flowplot.cgi?lid=KBDM8

Additionally, projected inflows and reservoir operations at Libby Dam through next summer can be found here: http://www.nws.usace.army.mil/About/Offices/Engineering/HydraulicsandHydrology/OperationalProjections.aspx

These modeling results are updated at least monthly and include information on elevations, inflow, and outflow:

Page 1 shows Lake Koocanusa elevation probabilities through the summer



Page 2 shows Libby Dam outflow probabilities through the summer



Page 3 shows Lake Koocanusa elevation probabilities for a given date



Page 4 shows Bonners Ferry stage probabilities through the summer



Page 5 shows Bonners Ferry maximum stage probabilities for the year

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