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

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

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We believe that nature can heal if we restore what was lost. Our growing coalition shows what's possible.

• Real-time data networks of water quality shifts

The water that flows through you connects you to 7 billion people — and billions more organisms. Stand 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 data prevents contamination. Now I'm leading others.' — David T., Watershed Advocate

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