Mosquito Fogging Set for Friday in Discovery Bay and on Agricultural Lands

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The Contra Costa Mosquito & Vector Control District announced Thursday that due to the high numbers of mosquitoes and the detection of West Nile virus in the area, they will be fogging by hand-held ultra-low volume sprayers to control adult mosquitoes.

On Friday, between 5:30 am and 9:00 am, the areas to be sprayed include Holland Tract Marina, Byron, and Discovery Bay agricultural lands

MATERIALS USED:  The insecticide to be used is Zenivex E4, RTU  applied at a rate of 1.5 ounces per acre by hand-held ultra-low volume sprayers.

Area 1:  Agricultural Land East of Discovery Bay
The area to be treated is bordered on the north by Indian Slough; on the east by agricultural land; on the south by Highway 4; and on the west by the Discovery Bay sewage facility and levee to the north.

The area to be treated is bordered on the north by Indian Slough; on the east by agricultural land; on the south by Highway 4; and on the west by the Discovery Bay sewage facility and levee to the north.

Area 2: Sewage Treatment Facility
The area to be treated is approximately 2.5 miles south of Highway 4 and one mile east of Byron Highway.

Area 3:  Holland Tract Marina
The area to be treated is bordered on the south and east by Holland Tract Road; on the north and west by agricultural land.

MAP:  (For an interactive map, please click here )

The Contra Costa Mosquito & Vector Control District utilizes an integrated vector management program which means we use a variety of protocols for controlling mosquitoes. These protocols include public education, physical control such as managing vector habitat, biological control such as mosquitofish, and chemical control such as pesticides.
The majority of the District’s mosquito control is completed when mosquitoes are still in their aquatic form, in their water source. Once mosquitoes emerge from the water as adults, the only effective method to control them is by using pesticides. We use only those products registered with the Environmental Protection Agency for the use of mosquito control and protecting  public health. They are applied by our trained and certified technicians.

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