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Our work begins where rivers meet the sky and ends where groundwater feeds the soil. We use community power to protect it all.

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

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Pollution doesn't stop at your neighbor's fence — and our solutions don't either. We work across political boundaries to solve problems at their source.

• Habitat restoration to revive ecosystems

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 bring my grandchildren to witness it.' — Commissioner James

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