Our Mission

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

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

Our Mission

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

• Corporate accountability driving enforcement

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

Our Mission

'I used to think my voice didn't matter. Then I joined a citizen monitoring program and realized — my data prevents contamination. Now I'm inspiring others.' — Jennifer M., Watershed Advocate

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