Watershed Guardians
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Water doesn't recognize borders — and neither do the threats it faces. Our regional teams work 24/7 to defend it.

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

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

Join thousands of environmental advocates organizing for change.

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'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 inspiring others.' — Sarah K., Community Monitor

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.