Dam owners present hydropower as a “clean” technology. But outdated dams can hurt rivers.

Confluence of Blackfoot and Clark Fork Rivers, MT Photo by Thomas O'Keefe
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Reservoir Emissions:
The science is clear

Celebrating Elwha River restoration

Our national map of hydropower dams


Hydro Guides   11/1/2005

Rivers of Power: A Citizen’s Guide to River Restoration through Hydropower Reform

Learn about hydropower's impacts in California, ways these dams harm rivers, how citizens can restore rivers using the FERC licensing process, licensing success stories, and more.

From our Resource LibrarySee all

Comments & Filings › Laws, court cases, and filings   7/2/2021

Felt Dam Draft License Application Comment

Laws & Policies   12/20/1970

National Environmental Policy Act (NEPA)

Steering Committee