Board of Supervisors - Mount Vernon District Alert:
An audible test of the siren system installed along the banks of the Occoquan River between the Town of Occoquan and Belmont Bay will take place at on November 13. People living and commuting in the area will hear a loud siren at various points during that timeframe.
Fairfax Water is responsible for the test which is expected to be an annual exercise to test functionality.