We're raising funds to support our programs! We need public support to continue our mission of reducing the human-caused spread of invasive species, and to overcome rising costs and funding uncertainties.

In this map, we've outlined the USGS watershed regions of the western US. Within each, there are 10 bubbles. Each bubble represents a $5 donation to ISAN and an added challenge: to protect that watershed by filling each of its bubbles (and eventually the entire West).

In true ISAN fashion, we'll be incorporating an educational element! Follow along on social media to learn more about the threats that our beloved waters face and how ISAN's programs help to protect them!

Support protection of your favorite watershed or state by indicating it with your donation. We'll update the map daily until it's completely filled.

USGS Watershed Region Description

Western Watersheds

Fill a $5 Bubble - Help Protect the West