FILE - The Klamath River flows where Iron Gate Reservoir once was as work to remove of the Iron Gate and Copco Dams continues on the Klamath River near Hornbook, Calif., July 25, 2024. (Carlos Avila Gonzalez/San Francisco Chronicle via AP, File)
FILE - The Klamath River winds runs along Highway 96 near Happy Camp, Calif., June 7, 2021. (AP Photo/Nathan Howard, File)
FILE - The Iron Gate Dam powerhouse and spillway are seen on the lower Klamath River near Hornbrook, Calif., March 2, 2020. (AP Photo/Gillian Flaccus, File)
In this 2023 image provided by Swiftwater Films shows the Iron Gate Dam near Hornbrook, Calif. (Swiftwater Films via AP)
In this image provided by Dale Meurer, former Klamath Tribes Chairman Jeff Mitchell watches as construction crews remove the final cofferdam that was left of Iron Gate Dam, allowing the Klamath River to flow through on Aug. 28, 2024, near Hornbrook, Calif. (Dale Meurer via AP)
In this 2024 image provided by Swiftwater Films shows water flowing on the Klamath River where the J.C. Boyle Dam once stood near Keno, Ore. (Swiftwater Films via AP)
In this image provided by Swiftwater Films shows water flowing down the Klamath River where the Iron Gate Dam once stood near Hornbrook, Calif., Tuesday, Oct. 1, 2024. (Swiftwater Films via AP)
In this May 2023 image provided by Swiftwater Films shows the Klamath River and the dam known as Copco 2 in Siskiyou County, Calif. (Swiftwater Films via AP)
In this image provided by Matthew Johan Mais, Molli Myers and her husband Frankie hold hands as they watch construction crews work to remove the final cofferdam that was left of Iron Gate Dam, allowing the Klamath River to flow through on Aug. 28, 2024, near Hornbrook, Calif. (Matthew Johan Mais via AP)
In this image provided by Matthew Johan Mais, Yurok elder Jacqueline Winter poses for a photo near the Klamath River on Aug. 25, 2024, near Hornbrook, Calif. (Matthew Johan Mais via AP)
In this October 2023 image provided by Swiftwater Films shows water flowing down the Klamath River where the dam known as Copco 2 once stood in Siskiyou County, Calif. (Swiftwater Films via AP)
In this 2023 image provided by Swiftwater Films shows shows the Klamath River and the dam known as Copco 1 near Hornbrook, Calif. (Jason Hartwick/Swiftwater Films via AP)
FILE - Construction crews remove the top of the cofferdam that was left of Iron Gate Dam allowing the Klamath River to run in its original path near Hornbrook, Calif., Aug. 28, 2024. (Carlos Avila Gonzalez/San Francisco Chronicle via AP, File)
FILE - The Hillman family, from left, Leaf, Lisa, and Chaas, hug as construction crews removed the final cofferdam that was left of Iron Gate Dam allowing the Klamath River to run freely near Hornbrook, Calif., Aug. 28, 2024. (Carlos Avila Gonzalez/San Francisco Chronicle via AP, File)
FILE - From left, Kenneth Brink, Lisa Hillman, Leaf Hillman, and Chaas Hillman, members of the Karuk Tribe, take in the moment as construction crews removed the final cofferdam that was left of Iron Gate Dam allowing the Klamath River to run in its original path near Hornbrook, Calif., Aug. 28, 2024. (Carlos Avila Gonzalez/San Francisco Chronicle via AP, File)
In this September 2023 image provided by Swiftwater Films shows the Klamath River and the J.C. Boyle Dam near Keno, Ore. (Swiftwater Films via AP)