What is in our water?
- USGS Water Data for the Nation
- Real time river flow, temperature and conductivity for the Potomac River at Little Falls
- Water quality for Virginia’s tributaries of the Potomac River
Where can I learn about our watershed?
- Meaningful Watershed Educational Experiences in Prince William County
- Meaningful Watershed Educational Experiences in Fairfax County
- The Potomac Environmental Research and Education Center (PEREC)
of George Mason University
- The Environmental Science & Policy Department of George Mason University
Undergraduate Programs – Graduate Programs
- EPA’s “Surf Your Watershed” or go directly to one of the following watershed pages: