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UPDATE: Boise River Flows to Increase Once Again

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River flows will increase from 250 cubic feet per second to 2,250 cfs over the course of the next week. - JESSICA MURRI
  • Jessica Murri
  • River flows will increase from 250 cubic feet per second to 2,250 cfs over the course of the next week.


UPDATE: April 8,  9:58 a.m.


As snowmelt continues to pour into Anderson Ranch, Arrowrock and Lucky Peak reservoirs, the Bureau of Reclamation is increasing the flows of the Boise River once again.

Earlier this week, the river flowed through town at about 1,400 cubic feet per second. As of Friday morning, however, flows increased to nearly 4,000 cfs.

Reclamation officials warn that flow levels may increase even more over the weekend, depending on weather conditions.

An above-average snowpack and winter precipitation are causing the reservoir levels to rise. Pushing the water down the river helps reduce the risk of flooding later in the spring. The water is extremely cold, swift and dangerous right now.

Water managers are looking forward to a full supply of irrigation water this summer. 

ORIGINAL POST: March 25, 3:30 p.m.

Nearby ski resorts enjoyed excellent snowfall this past winter, with snowpacks around Boise reaching 114 percent of normal as of March 24. However, that leaves the Bureau of Reclamation and the U.S. Army Corps of Engineers with a little too much water on their hands.

To reduce the the risk of flooding later in the spring, the agencies will release water from the Lucky Peak Dam beginning Tuesday, March 29. Officials are warning people to use caution near the Boise River, as flows will increase from 250 cubic feet per second up to 2,250 cfs by Friday, April 1. 

The river will be extremely swift, cold and deep, making banks and shore areas unsafe.

According to a news release, the Bureau of Reclamation expects an adequate water supply for irrigation and recreation activities throughout the summer.