Arlington County Government offices and services are operating on modified schedules for the Christmas holiday on Thursday, Dec. 25, and Friday, Dec. 26, 2025.
It is important to remember that stormwater runoff, and the pollutants that it carries, flows through the storm drain network to Arlington’s streams. The runoff is not filtered or treated. Here are some common-sense stream safety tips to help you enjoy our streams.
Have a dog? Learn more about dog-specific considerations related to stream contact.
Volunteers monitor bacteria levels in local streams on a monthly basis. Find out more information on bacteria in Arlington’s streams as well as links to our data.
If a stream appears to be polluted or discolored, visit the Report Stream Pollution page. The images on this page may help you determine the cause of the discoloration and whether you should call the Emergency Communications Center (703-558-2222).
Did You Know? There’s a correct way to wash your hands. Centers for Disease Control and Prevention provides information on the best method to get your hands clean and keep you healthy.
Como disfrutar de los arroyos y cuidar su salud(PDF, 204KB)