Bonneville Dam

Location: River Mile 146.1 on the Columbia River in HUC 17080001
Operated by: United States Army Corp of Engineers, Portland District
Link: https://www.nwp.usace.army.mil/op/b/home.asp
Web Cam: Bonneville Dam's Oregon Count Station

2010 Smolt Monitoring

Dates: March 2 (just prior to Spring Creek Hatchery release)  to October 31
Sampling conducted by: Pacific States Marine Fisheries Commission.
Project Leader: Dean Ballinger, Rick Martinson

More information can be found at the John Day/Bonneville Smolt Monitoring Web Page

Passage index formula:

• BO2:(collection count)/((average(powerhouse 2 flow/(powerhouse 1 flow + powerhouse 2 flow + total spill))))
• BO1: (collection count)/((average(powerhouse 1 flow/(powerhouse 1 flow + powerhouse 2 flow + total spill))))

Traditional Adult Return Reporting Dates

March 15 to November 15

Page last updated on: January 30, 2010

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