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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 scientists 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 monitor trends so nature can recover.

• Policy research driving enforcement

Join thousands of water guardians fighting against pollution.

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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 crisis. Now I'm training others.' — Sarah K., Community Monitor

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