Aerial Treatment for July 27th-29th, 2010

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

Adulticide Frequently Asked Questions (FAQ)

Press release: Mosquito Control Moves Forward with Plans for Aerial Spraying

WHEN: Aerial treatment of the entire area shown on the map below took place on three consecutive nights beginning July 27th, 2010.

Aerial treatment for Tuesday, July 27th began at 8:15pm and completed at 10:55pm. Aerial treatment for Wednesday, July 28th began at 8:20pm and completed at 10:10pm. Aerial treatment for Thursday, July 29th began at 8:20pm and completed at 9:55pm.

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

West Nile Virus Frequently Asked Questions (FAQ)

West Nile Risk Assessment for 7/26/2010

WHERE: The area that will be treated is approximately 35,000 acres (see the map below for exact areas).


  • Blue Markers: West Nile virus Positive Dead Birds
  • Green Markers: West Nile virus Positive Mosquito Traps
    (markers are randomized to within mile of actual location)

View an image of the spray area

(if the map below does not work)

Locate your address on the map below:

Additional resources: