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

Areas of western Placer County are scheduled for treatment.  An EPA-registered mosquito adulticide will be applied in an ultra-low volume (ULV) fog by aircraft in an effort to address mosquito populations and increased West Nile virus activity. Treatment areas (Click … Continue reading

District offices will be closed on January 16, 2017 in observance of the Martin Luther King Jr. holiday. We will resume regular business hours on January 17, 2017.