Areas of western Placer are scheduled for treatment for West Nile virus and mosquito activity.  An EPA-approved mosquito adulticide will be applied in an ultra-low volume (ULV) fog by truck to target adult mosquitoes. Treatment areas (Click map for larger … Continue reading

The agricultural areas of western Placer County are scheduled for treatment for larval mosquito populations. Larval treatments involve an EPA-registered biorational* mosquito larvicide applied by a low-flying aircraft in an effort to prevent the emergence of adult mosquitoes and reduce … Continue reading

District offices will be closed on November 23-24, 2017 in observance of the Thanksgiving holiday. We will resume regular business hours on November 27, 2017.

A small area of western Placer is scheduled for treatment for West Nile virus and mosquito activity.  An EPA-approved mosquito adulticide will be applied in an ultra-low volume (ULV) fog by truck to target adult mosquitoes. Treatment area (Click map … Continue reading