2021 RED BLUFF DIVERSION DAM ROTARY TRAP JUVENILE ANADROMOUS FISH ABUNDANCE ESTIMATES

Water year 2021 was designated as critically dry for the Sacramento Valley. Shasta Reservoir cold-water pool storage conditions did not allow for maintaining a daily average temperature of 56˚F or lower at the Clear Creek River (CCR) gauge for the duration of the temperature management season. After input from various agencies and stakeholders, a temperature control strategy using the Highway 44 Bridge (SAC) gauge compliance point was developed with life stage related temperature criteria to minimize modeled temperature dependent mortality utilizing the limited cold water pool.

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