Impact

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

This work is possible because of volunteers 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 communities can act.

• Community science programs for local stewardship

Join thousands of water guardians pushing back against pollution.

Impact

'Thirty years ago, this river was polluted. Thanks to this organization, native fish are returning. I work alongside their team.' — Commissioner James

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