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

This work is possible because of donations like you. Your voice is essential.

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

• Policy research driving stronger standards

Join thousands of water guardians pushing back for change.

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'Thirty years ago, this river was polluted. Thanks to this organization, the ecosystem breathes again. I watch the difference daily.' — Professor Chen

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