Community News

Residential Mosquito Treatments in Costa Mesa, Fountain Valley, Huntington Beach, Newport Beach, and Unincorporated Areas of Orange County

 

by: OC Mosquito and Vector Control
Published: October 19, 2026

 

ORANGE COUNTY...This is a courtesy notification informing you of Orange County Mosquito and Vector Control's upcoming mosquito control efforts to address an increase in mosquito abundance and the risk of mosquito-borne disease in the Costa Mesa, Fountain Valley, Huntington Beach, Newport Beach, and unincorporated areas of Orange County.

OCMVCD is scheduled to conduct treatments on the dates and times below:

When: Wednesday – Friday | October 21st, 22nd and 23rd
Time: Midnight to 5:30 a.m.
Treatment: Truck treatments with AquaDuet and DeltaGard

*Note: Additional times and dates could be added and are subject to change. If numbers persist or disease is present, treatments may continue throughout the biting season.

Visit the webpage below to view an interactive map, where residents can enter an address to determine if they are in the treatment area:
https://www.ocvector.org/residential-truck-mounted-treatments

At the application rate, this product will not harm:

• People or pets, even if present during the application
• Fruit trees, vegetable gardens, or fishponds
• There is no need to turn off air conditioning systems during the application
• The product is applied at a time when bees are not active