About Us

Water doesn't recognize borders — and neither do the threats it faces. Our local teams work year-round to protect it.

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

About Us

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

• Legal advocacy driving enforcement

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

About Us

'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 training others.' — Sarah K., Watershed Advocate

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