Optimal flow range (flows based on 2014 Colorado Basin Flow Study).
Rapid
N/A
Rapid
N/A
Rapid
II
Rapid
N/A
Rapid
N/A
Rapid
N/A
Rapid
N/A
Rapid
N/A
Rapid
II+
Rapid
N/A
Rapid
N/A
Rapid
III
Rapid
III
Rapid
III
Rapid
III
Rapid
III
Rapid
IV
Rapid
III
Rapid
III
Rapid
III