The Klamath River Renewal Corporation removed four dams on the mainstem Klamath River in 2023 (Copco 2) and 2024 (Iron Gate, Copco 1, and JC Boyle). The Consortium and its many partners are monitoring how the river responds. For a summary of these dams and reservoirs’ previous impacts, see the archived version of the Klamath Hydrolelectric Project page [ https://web.archive.org/web/20211128121016/https://klamathwaterquality.com/khp.html] on the Consortium’s old website.