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 community members like you. Every contribution matters.

Our Mission

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

• Policy research driving stronger standards

The water that flows through you connects you to 7 billion people — and countless ecosystems. Stand with us.

Our Mission

'Thirty years ago, this river was dying. Thanks to this organization, native fish are returning. I watch the difference daily.' — Elder Maria

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