Technician treating a mosquito-laden swimming pool                                                                         
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Contra Costa Mosquito & Vector Control District makes every attempt to ensure prompt opt-in, opt-out, and delivery of their notifications; however, we cannot guarantee notification prior to adult mosquito spraying events through this notification service.

Due to the high numbers of adult mosquitoes and the detection of West Nile virus in the area, the Contra Costa Mosquito & Vector Control District is scheduled to fog by truck to control adult mosquitoes, weather permitting.
DATE: Tuesday, September 22, 2009
TIME: Between dusk (approx. 7:05 p.m.) and 10:00 p.m., weather permitting.
    Two Areas:  Brentwood and Martinez 
The area to be treated is bordered on the north by Kayla Place, Jane Way, and Sunset Road; the Brentwood City Limits (Sellers Avenue south of Chestnut Street) on the east; Balfour Road on the south; and Brentwood Boulevard (Highway 4) on the west.
 Area to be fogged in Brentwood

The area to be treated is bordered on the west by the Martinez city limits from the Martinez Regional Shoreline Park to Hilmer Avenue; the Carquinez Strait shoreline to Amorco Road on the north; Amorco Road, Marina Vista to Estudillo Street to Arreba Street on the east side; Arreba Street and Hilmer Street on the south.

 Area to be fogged in Martinez


All products used by the Contra Costa Mosquito & Vector Control District are registered with the Environmental Protection Agency for treatment of adult mosquitoes and applied by trained and certified vector control technicians. 
For more information, please visit our website at

Craig Downs
General Manager