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

This work is possible because of donations like you. Every contribution matters.

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

• Disaster response for vulnerable populations

The water that flows through you connects you to 7 billion people — and future generations. Protect it with us.

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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 harm. Now I'm inspiring others.' — David T., Water Guardian

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