Mike's fine (for context for others who are reading - He's in Peck, Idaho on the Clearwater), as are most (all???) of those rivers at this point in time. All are fed out of the Columbia River and (at this point) all are (still) fish highways.
But I'll come back to this point in a moment.
Does 'selective dam removal' need to be considered? Yup, as an example, we have just one here left on the entire Rogue system, well two if you count the Applegate, which is a trickle of water 6 months of the year. And that one needs to be here for a myriad of good reasons.
Back on point (from above). Once you get into Eastern Washington, into Idaho, BC, etc., you've got thousands of miles of 'nada' save for wheat fields/Vineyards. Very little in the way of real population pressure save, for drawing water (and the Columbia is one hell of a big river!!) for farming.
Can, the Greater We, screw it up? If 'we' put our minds to it, without question. But the odds of that are really damned small.
A good thing, me thinks?
fae