Gate Operation

Slide 2

Low Flow Operations

Roza Roller Gate XS

Roller Gate Movement

Slide 6

Gate Tuck, April 22 2005

Roza Gate Tuck

Operational Questions

Hydroacoustic Echosounders

Slide 11

Hydroacoustic Data Few fish

Hydroacoustic Data Many fish

Data used for decision-making in 2005

Data used for decision-making and data need in 2006

Hydroacoustic Data, 2005

Hydroacoustic Data, 2006

Roza Operations and Smolt Passage, 2005

Roza Operations and Smolt Passage, 2006

Roza Operations and Kelt Passage

Roza Dam Fish Passage Options

Appraisal Concept 1

Additional Concept 5

Slide 24

Slide 25

Roza Dam Fish Passage Options

Fish Passage Considerations