District offices will be closed December 24 and 25, 2018 and January 1, 2019 for the holidays. To report a vector issue, click here.

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 high mosquito abundance and sustained West Nile virus activity. Treatment areas … Continue reading

The wetlands and 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 … Continue reading

Areas of Lincoln 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 high mosquito numbers and West Nile virus activity. Treatment area (click for larger … Continue reading