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Estimated 2019-20 Adult Salmon Dam Count Monitoring Dates

Dam
Video Monitoring Dates
Day
Night
Direct Monitoring Dates
Bonneville Dam
November 1 - February 28, 2020
March 1 - March 31, 2020
June 15 - September 30, 2020
April 1 to October 31, 2020
**The Dalles Dam
June 15 - September 30, 2020
April 1 to October 31, 2020
John Day Dam
June 15 - September 30, 2020
April 1 to October 31, 2020
McNary Dam
July 1 - September 30, 2020
April 1 to October 31, 2020
Ice Harbor Dam
April 1 to October 31, 2020
Lower Monumental Dam
November 1 - February 28, 2020
April 1 to October 31, 2020
Little Goose Dam
April 1 to October 31, 2020
Lower Granite Dam
November 1 - December 30, 2020
March 1 - March 31, 2020
June 15 - September 30, 2020
April 1 - October 31, 2020
Priest Rapids Dam
April 15 - November 15, 2020 (24 hr)
 
Wanapum Dam
April 15 - November 15, 2020 (24 hr)
 
Rock Island Dam
April 14 - November 15, 2020 (24 hr)
 
Rocky Reach Dam
April 14 - November 15, 2020 (24 hr)
 
Wells Dam
May 1 - November 15, 2020 (24 hr)
 
Willamette Falls
Count year round (24 hr)
 



2019-2020 Columbia and Snake River Fishway Outages

Dam Dates Fishways are Closed
Bonneville Dam
  • Bradford Island (November 30, 2019:February 27, 2020)
  • WA Shore (No Dewatering winter 2019/20)
The Dalles Dam
  • East Fish Ladder (December 2, 2019: January 30, 2020)
  • North Fish Ladder (February 4, 2020; February 27, 2020)
John Day Dam
  • North Fish ladder (December 2, 2019: January 10, 2020)
  • South Fish ladder (January 14, 2020: February 28, 2020)
McNary Dam
  • Washington Shore (January 1, 2020: January 22, 2020)
  • Oregon Shore (January 23, 2020: February 28, 2020)
Ice Harbor Dam
  • North Shore (February 9, 2020:February 28, 2020)
  • South Shore (January 1, 2020: February 8, 2020)
Lower Monumental Dam
  • North Shore (January 1, 2020: January 31, 2020)
  • South Shore (February 1, 2020: February 28, 2020)
Little Goose Dam
  • January 2, 2020: February 28, 2020
Lower Granite Dam
  • January 1, 2020: February 28, 2020
Priest Rapids Dam
  • Left Bank Fishway: TBD
  • Right Bank Fishway: TBD
Wanapum Dam
  • Right Bank Fishway: TBD
  • Left Bank Fishway: TBD
Rock Island Dam
  • Right Bank Fishway: January 6, 2020 to February 28, 2020.
  • Left Bank Fishway: December 9, 2019 to January 31, 2020.
  • Middle Fishway: February 3, 2020 to February 28, 2020.
Rocky Reach Dam
  • December 16, 2019 to February 28, 2020.
Wells Dam
  • West Ladder: TBD
  • East Ladder: TBD

  • Data source: Corp of Engineers, Dewatering Plans and Schedules. Available online at: COE Fish Passage Plan




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