Our Mission

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. Learn how you can join.

Our Mission

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

• Long-term scientific monitoring of water quality shifts

Join thousands of water guardians organizing for change.

Our Mission

'Thirty years ago, this river was polluted. Through their work, the ecosystem breathes again. I work alongside their team.' — Elder Maria

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