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Vector Control Continues Fight Against Mosquitoes

The City of El Paso Vector Control Program, under the Environmental Services Department, maintains its efforts to minimize the risk and prevent the spread of mosquito-borne illnesses by controlling and decreasing the mosquito population year-round.

Vector Control provides effective and environmentally sound mosquito control services throughout the City. Services include inspections, larvicide applications, hand and truck spraying/fogging, and, when necessary, placement of mosquito fish.

Vector Control Officers constantly trap and send mosquito samples to both the University of Texas at El Paso and the Department of State Health Services Laboratory Services section. Officers use traps to capture mosquitoes so they can tested for diseases, such as Zika and West Nile.

In addition, Vector Control teams spray insecticide “fog” yearly. The services are mainly performed in the early morning hours when a significant number of mosquitoes are captured. If stagnant water is present, Vector Control Officers take a water sample to check for breeding. If breeding is discovered, proper treatment is performed to kill the pupae.

While mosquitoes can never be completely eliminated, Vector Control strives to effectively control them by reducing population levels to more tolerable levels. Preventative measures can be taken and Vector Control asks residents to be mindful of mosquitoes and prevent breeding by practicing the following:

  • Tip over anything that can hold stagnate water (buckets, wheel barrows, plastic pools)
  • Change water in pet bowls/bird baths every three days
  • Keep yards trimmed; no weeds, tall grass
  • Make sure windows at home have screens
  • Cover up when outside for long periods of time (shoes, socks, pants, long sleeves)
  • Use mosquito repellent with DEET

For more information about the City’s mosquito control program, call the Environmental Services Department at 311 or visit