Energy & Wildlife


Hydropower has served as a reliable source of electricity to many communities and industries across the nation. While providing power, hydroelectric dams create barriers to fish migration and alter upstream and downstream ecosystems. As hydropower dams age and require critical upgrades, USGS hydrologists, engineers and fish biologists work together to design the next generation of dams and operational protocols that improve passage for migratory fish and cause fewer negative effects on aquatic ecosystems.

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