2022 Infected Mosquito Treatment Zones / Schedule

Mosquito spraying occurs when mosquitoes trapped test positive for West Nile Virus or there is a higher number of uninfected mosquitoes than normal.

View a map of Mosquito Treatment Zones

  • Sept. 27: IRV-55 The Dallas County Health and Human Services has reported a positive West Nile Virus sample from a mosquito trap. The City of Irving will conduct a truck-mounted ultralow volume (ULV) fogging from 9 p.m. to 4 a.m. Sept. 27 and Sept. 29 in this area, weather permitting. ULV fogging is not dangerous to pets or people.
  • Sept. 20: IRV-06, IRV-12, IRV-18. The City of Irving detected a high number of uninfected mosquitoes from these areas. The city will conduct a truck-mounted ultralow volume (ULV) fogging from 9 p.m. to 4 a.m. Sept. 20 and Sept. 22 in these areas, weather permitting. ULV fogging is not dangerous to pets or people.
  • Sept. 20: IRV-54 The Dallas County Health and Human Services has reported a positive West Nile Virus sample from a mosquito trap. The City of Irving will conduct a truck-mounted ultralow volume (ULV) fogging from 9 p.m. to 4 a.m. Sept. 20 and Sept. 22 in this area, weather permitting. ULV fogging is not dangerous to pets or people.