Mosquito Control and West Nile Virus

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West Nile Virus (WNV) is a potentially serious illness. Experts believe WNV is established as a seasonal epidemic in North America that flares up in the summer and continues into the fall. The most effective way to avoid WNV is to prevent mosquito bites.

Washington County Environmental Health Mosquito Control Program:

 

  • Collects and Tests dead birds and mosquitoes for West Nile Virus.
  • Identifies mosquito-breeding areas and conducts routine surveillance.
  • Treats areas of concern for West Nile Virus mosquitoes.
  • Provides education in the community. Contact us for information regarding group presentations.
  • Coordinates surveillance and control efforts with other local governmental agencies and the medical community.
  • Distributes Mosquito fish (Gambusia affinis) to Washington County residents for use in their ornamental ponds and water troughs.

To date, two birds have tested positive for WNV in Washington County; one in 2006 and another in 2007. In 2008, no cases of WNV were detected in any human, bird, or animal in Washington County.

  • To report a dead bird 
  • To report swimming pools that are not maintained, or other potential mosquito breeding areas, please contact the Environmental Health Program.

Mosquito Control: 503-846-2904

Main Telephone: 503-846-8722

WNV 24-Hour Information Line: 503-846-8890

 

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