Aerial Treatment for August 23rd and 24th, 2011

WHAT: An aerial application of the adulticide product Evergreen 60-6 applied by VDCI over Sacramento county.

Adulticide Frequently Asked Questions (FAQ)

Press release: Aerial Spraying to Control Mosquitoes Infected with West Nile Virus Begins Tuesday Night


Aerial treatment of the entire area shown on the map below took place on two consecutive nights beginning August 23rd, 2011.

Aerial treatment for Tuesday, August 23rd began at 8:00pm and completed at 10:17pm. Aerial treatment for Wednesday, August 24th began at 8:02pm and completed at 9:21pm.

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  • WHY: This treatment was a direct response to elevated West Nile Virus Activity and in accordance with the District’s Mosquito
    and Mosquito-borne Disease Management Plan

    Map of West Nile Virus Activity
    West Nile Virus Frequently Asked Questions (FAQ)

    West Nile virus Risk Assessment for 8/19/2011
    West Nile virus Risk Assessment for 8/24/2011

    WHERE: Approximately 33,000 acres of South Sacramento, see map below.


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    View an image of the spray area
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    Additional resources: