About Us

Water doesn't recognize borders — and neither do the threats it faces. Our local teams work 24/7 to defend it.

This work is possible because of volunteers like you. Learn how you can join.

About Us

Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across political boundaries to hold polluters accountable.

• Early warning systems of water quality shifts

Join thousands of environmental advocates pushing back for justice.

About Us

'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my voice prevents contamination. Now I'm training others.' — Sarah K., Community Monitor

We believe that nature can heal if we remove barriers. Our 20-year track record shows that grassroots action works.