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United States Society on Dams

USSD is a world class organization of dam industry professionals who advance the environmentally sustainable science of planning, design, construction, operation and maintenance of dams, levees and associated civil engineering projects. Our members lead the nation, and work with partner organizations worldwide, to resolve the world’s most critical resource problem: access to clean water.

Upcoming Events and Activities

Cast Your Vote Now - USSD BOD Election


USSD Members can now cast their vote for the 2024 Board of Directors election. Members should have received an email from Association Voting with login details.

If you do not receive your email by December 1, 2023, please contact USSD staff at

2024 Annual Conference


INCA 2024


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