Our Mission

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 partners like you. Together we can turn the tide.

Our Mission

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

Join thousands of environmental advocates pushing back for change.

Our Mission

'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 inspiring others.' — Michael O., Volunteer

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