The Baldwin Creek Fish Barrier is part of Phase 1A of the U.S. Bureau of Reclamation’s Battle Creek Salmon and Steelhead Restoration Project. The primary objective of the project is to open up 42 miles of Battle Creek riverine habitat above the Coleman National Fish Hatchery, and 6 miles of tributary habitat, to spring-run and winter-run Chinook salmon and steelhead trout.
The project included the construction of a fish barrier and weir that allows a minimum flow of 5 cubic-feet-per-second (cfs) over the new flashboard weir structure installed at the existing diversion dam in Baldwin Creek. The project is downstream of the California Department of Fish and Wildlife’s Darrah Springs State Trout Hatchery, located upstream of Asbury Diversion Dam, about 27 miles northeast of Red Bluff, California. The 5 cfs minimum flow provides the necessary releases for suitable salmon and steelhead habitat in the creek, while the barrier weir blocks the passage of anadromous fish to prevent the possible spread of disease to the hatchery.