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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 volunteers like you. Learn how you can join.

Support Us

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

• Invasive management to rebuild resilience

The water that flows through you connects you to 7 billion people — and countless ecosystems. Stand with us.

Support Us

'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my voice prevents harm. Now I'm leading others.' — Michael O., Community Monitor

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