Impact

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

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

Impact

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

• Long-term scientific monitoring of water quality shifts

The water that flows through you connects you to 7 billion people — and billions more organisms. Stand with us.

Impact

'Thirty years ago, this river was dying. Because we organized, the ecosystem breathes again. I bring my grandchildren to witness it.' — Commissioner James

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