Dworshak National Fish Hatchery was built in 1969 in conjunction with Dworshak Dam to mitigate for the loss of habitat for the ocean-going fish such as steelhead and various species of salmon that had historically migrated into the North Fork of the Clearwater River to spawn.

It is the largest combination producer of steelhead trout, spring Chinook salmon and Coho salmon in the world. It is located at the confluence of the main and North Fork of the Clearwater River. It is unique in that the water temperatures for steelhead rearing ponds can be controlled through recirculation similar to an aquarium. This system enables the hatchery to recycle up to 90 percent of the used water, heated to 54 degrees F. in the winter, allowing juvenile steelhead to be released in just one year at a length of 8 inches.

For further information about the the hatchery check out this link: http://www.fws.gov/dworshak/.

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