This Quiet Creek in Northern California Just Shattered its Salmon Count Record

A historic salmon run returned to Northern California this fall, with a record 2,150 adult Chinook salmon counted spawning in Putah Creek near Sacramento.

Putah Creek, which forms part of the border between Yolo and Solano counties, has long supported a small but resilient salmon population. Previous estimates put the run at about 1,700 fish in 2016, but this year’s total reflects an individual count conducted by UC Davis biologists. The surge is being credited to decades of coordinated restoration work, improved habitat, and carefully managed water flows.

The milestone marks the culmination of roughly 25 years of restoration efforts backed by nearly $20 million in grant funding. Recent improvements include salmon passage work in the lower creek near the Yolo Bypass Wildlife Area, targeted gravel placement to improve spawning habitat, and a strategically timed release of extra water designed to mimic natural flow conditions. That pulse flow appears to have successfully drawn more salmon into the creek during the fall run.

The approach follows the statewide Healthy Rivers and Landscapes program, which emphasizes pairing habitat improvements with functional water flows to support salmon throughout their freshwater life stages.

With more than 2,150 adults spawning, Putah Creek could produce as many as half a million juvenile salmon next spring—roughly the output of a small hatchery. While most returning adults currently originate from hatcheries elsewhere, biologists hope this year’s success will lead to more fish being born in Putah Creek itself, helping strengthen California’s struggling salmon populations in the years ahead.