Donate

Our work begins where rivers meet the sky and ends where groundwater feeds the soil. We use advocacy to protect it all.

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

Donate

Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across industries to rebuild what was lost.

• Long-term scientific monitoring of water quality shifts

Join thousands of water guardians organizing for justice.

Donate

'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my action prevents crisis. Now I'm leading others.' — David T., Watershed Advocate

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