The 2025 Columbia River spring-summer forecast anticipates 51,200 adult Willamette-origin spring Chinook will return to the mouth of the Columbia River.
Of the total adult return, approximately 36,600 are expected to be hatchery-origin fish which exceeds the minimum return threshold of 34,000 adult hatchery fish established last year to allow the two-rod rule. Based on past data, a return of 34,000 hatchery-origin adults at the Columbia River mouth should provide sufficient escapement to meet overall…