About Us

Every watershed tells a story of crisis. We're here to ensure that story has a thriving future.

This work is possible because of partners like you. Your voice is essential.

About Us

We believe that nature can heal if we remove barriers. Our decade of victories shows that change happens.

• Early warning systems of water quality shifts

The water that flows through you connects you to 7 billion people — and billions more organisms. Join the fight.

About Us

'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my action prevents contamination. Now I'm inspiring others.' — Jennifer M., Water Guardian

The science is clear: healthy water systems feed us, sustain us, and deserve our protection. We monitor trends so communities can act.