Dam would help reduce flooding
After crossing the main bridge the second one is dry, and the third bridge has groundwater under the bridge and will run under high water conditions but will be two feet lower then the Tykeman Slough Haystack Creek Bridge. Consequently, no fish spawning under the second and no fish production under third bridge. This I believe is true.
None of this is good for fish, I don't believe. Also, now there is a problem with river waters being too warm for fish habitat.
Question? Would we be better off with a dam on the Skykomish River system?
(There is no question the river needs to be dredged.)
Less destruction of some spawning beds, and river waters would be cooler. Reducing floods would save millions of dollars per flood. Hydroelectricity would be cheaper for everyone especially the lower-income folks. And our taxpayers don't need the cost of millions of dollars of each major flood.