In Central Oregon, a dam on the Deschutes River is slated to be removed, which will improve habitat for – not salmon, for a change – but redband trout, among other species. The removal will also involve removing contaminated soil and other habitat restoration work:
[The Central Oregon Irrigation District] is partnering with the Upper Deschutes Watershed Council to remove dams on the Deschutes River and associated equipment and structures from the former hydroelectric Cline Falls Power Plant at the site west of Redmond.
The project will include cleaning up contaminants such as hydrocarbons and PCBs, which are pentachlorophenol and polychlorinated biphenyls, at a former electric transformer yard. (source)
As with other dam removal projects, this will allow trapped sediment to begin flowing again. Another concern they have is keeping native vegetation intact along the river, to reduce or prevent invasive species taking hold and taking over.
It is nice to see these projects in locations where it isn’t concern a well-known species (like salmon) that is prompting the removal; other fishes and aquatic species (and riparian plants, and groundwater along the river) benefit from a normally flowing river, too.