PUBLIC NOTICE:
The City of Okanogan will be applying Vectobac 12AS (Bacillus thuringiensis); Natular G30 (Spinosad; Biomist 3+15 ULV (Permethrin, Piperonyl Butoxide); Duet Dual Action Adulticide (Sumithrin, Prallethrin) for mosquito control within the Okanogan Corporate City Limits, during the 2026 abatement season.
Pesticide applications will begin in April 2026 and continue as needed through October 2026. Pesticide information and ground based ultra-low volume fogging schedules can be viewed at www.okanogancity.com. Citizens wishing to be added to a no “Spray List” or for additional information can contact City of Okanogan Public Works Director, Shawn Davisson at 509.422.3600 or publicworks [at] okanogancity.com (publicworks[at]okanogancity[dot]com). Information about the products planned for use can be found at www.clarke.com. Additional information can be obtained from Washington Department of Ecology, Aquatic Mosquito General Permit Manager, Nathan Lubliner 360.407.6563.
Information:
Dates of Application Larvacides:
- As needed April-October 2026
Dates of Application Adulticides 2026:
- As needed April-October 2026