Mosquito Control
The Mosquito and Drainage Department maintains more than 45 miles of outfall ditches. This maintenance consists of:
- Cutting back growth and regrading of outfall ditches
- Cleaning outfall pipes and junction boxes in outfalls
- Installing concrete bottoms and sidewalls in outfalls to stop erosion
- Spraying weed killer and growth retardant to improve drainage and lessen maintenance;
- Placing larvacide briquettes in standing water in City drainage easements to eliminate mosquito breeding
- Monitoring mosquito light traps and mosquito spraying throughout the City as needed
- Assisting with the coordination of Langley spray flights.
The maintenance of outfall ditches is most important to help promote good drainage of roadside ditches, which can eliminate flooding and road base failure to City streets. Outfall ditch maintenance also helps eliminate where mosquitoes breed. So please remember if property has a drainage easement on it, City Code prohibits placing obstructions within the easement.
When the mosquito count indicates we have a problem, City streets are sprayed using two trucks equipped with ULV sprayers. The mosquito count information is also furnished to Langley Air Force Base to help promote aerial spray flights.
Useful Links
- Virginia Dept. of Health
- Virginia Mosquito Control Association
- Centers for Disease Control & Prevention
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