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Mosquito Control: 2024 History

Control DateArea(s)ReasonNotes
 10/24/24AntiochInvasive Mosquitoes
 10/22/24AntiochInvasive Mosquitoes
8/23/24Martinez West Nile Virus
8/12/24 OakleyWest Nile Virus
8/9/24OakleyWest Nile Virus

Due to the detection of the invasive Aedes aegypti mosquito in the area, the Contra Costa Mosquito and Vector Control District will be using truck-mounted, wide-area larviciding equipment to control larval mosquitoes on the morning of Thursday, October 24, 2024, in the following area: Antioch.

The area to be treated is bordered on the north by Highway 4, on the south by Bluerock Drive., on the east by Deer Valley Road.; and on the west by Lone Tree Way.

Aerial view of a dense suburban area with roads, houses, and green spaces.

MATERIALS USED: The public health pesticide to be used is Vectobac W.D.G. applied at a rate of 8 ounces per acre by truck-mounted wide-area larviciding equipment.

 

Due to the detection of the invasive Aedes aegypti mosquito in the area, the Contra Costa Mosquito and Vector Control District will be using truck-mounted, wide-area larviciding equipment to control larval mosquitoes on the morning of Tuesday, October 22, 2024, in the following area: Antioch.

The area to be treated is bordered on the north by Highway 4, on the south by Bluerock Drive., on the east by Deer Valley Road.; and on the west by Lone Tree Way.

MATERIALS USED: The public health pesticide to be used is Vectobac W.D.G. applied at a rate of 8 ounces per acre by truck-mounted wide-area larviciding equipment.

 

Due to the high number of mosquitoes and the detection of West Nile virus in the area, the Contra Costa Mosquito and Vector Control District will be using truck-mounted, ultra-low volume equipment to control adult mosquitoes on the evening of Friday, August 23, 2024, in the following area: Martinez

The area to be treated is bordered on the North by the San Joaquin River; on the South By Pacheco Blvd; on the East by Pacheco Creek; and on the West by Embarcadero St.

An aerial view with marked boundaries showing a mix of urban areas, water channels, roads, and green spaces.

 

Due to the high number of mosquitoes and the detection of West Nile virus in the area, the Contra Costa Mosquito and Vector Control District will be using truck-mounted, ultra-low volume equipment to control adult mosquitoes on the evening of Monday, August 12th, 2024 in the following area(s): Oakley
 

The area to be treated is bordered on the north by Big Break/ SanJoaquin River; on the south by RR tracks; on the east by Fetzer Ln; and on the west by Piper Ln above Rutherford Ln.

Satellite view of a suburban area with streets, houses, and greenery next to a body of water.

 

Due to the high number of mosquitoes and the detection of West Nile virus in the area, the Contra Costa Mosquito and Vector Control District will be using truck-mounted, ultra-low volume equipment to control adult mosquitoes on the evening of August 9th, 2024 in the following area(s): Oakley

The area to be treated is Big Break Regional Trail from Piper Ln. on the west to Marsh Creek on the east and behind the homes bordering I.S.D property. 

Aerial view of a residential area alongside agricultural fields and what appears to be a water treatment facility.