One Water Summit 2025

Save the date—our next One Water Summit will be held in Pittsburgh, Pennsylvania, from July 8 – 11, 2025.

Learn more about One Water Summit

US Water Prize

The nation's signature One Water award, which celebrates outstanding achievements in the advancement of sustainable, integrated, and inclusive solutions to our country's water challenges.

Learn about US Water Prize

One Water Summit 2023

Learn more about our most recent Summit, which took place November 14 – 16 in Tucson, Arizona

More here


Delegations are affinity groups working together to advance the One Water movement. Delegations form in advance of each year’s One Water Summit to enhance and leverage the Summit experience by maximizing peer-exchange facilitation, knowledge building, and networking.

Learn more about delegations