Our Work

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

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

Our Work

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

• Disaster response for Indigenous communities

Join thousands of water guardians organizing for change.

Our Work

'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my data prevents extinction. Now I'm leading others.' — David T., Water Guardian

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