News Flash


Posted on: July 9, 2021

City to Spray Overnight, July 9 & 10, After Two Mosquito Pools Test Positive for WNV

(July 9, 2021) Two mosquito pools in Frisco tested ’positive’ this week for West Nile Virus (WNV). One location is near North County Road south of Eldorado Parkway. The other location is at the intersection of Michelle and McCommas near Hillcrest Road.  In response, the city will ground spray beginning tonight in areas of the Meadow Hill Estates and Frisco Springs neighborhoods (see map), and in the Dominion at Panther Creek and Panther Creek Estates neighborhoods (see map). 

A third-party contractor will apply treatment at 9 p.m. tonight, July 9, and continue through 5 a.m. Saturday, July 10.  Spraying resumes Saturday night at 9 p.m. and will finish at 5 a.m. on Sunday, July 11., weather permitting.

Remember to ‘Wear, Apply and Remove’ as a precaution against mosquito bites.  The precautionary steps are promoted by the Texas Department of State Health Services (DSHS) and outlined below: 

  • WEAR: Wear long sleeves, pants outside at dawn and dusk when mosquitoes are most active.
  • APPLY: Use insect repellants every time you go outside. Approved repellents contain DEET, picaridin or oil of lemon eucalyptus.
  • REMOVE:  Drain standing water that collects in bird baths, French drains, clogged gutters, saucers under potted plants and ‘splash blocks’ (at end of gutter down spout). The mosquitoes that carry WNV can breed in stagnant water.

“Since the week of May 10, the city has had at least one mosquito pool test positive for West Nile Virus each week, with a total of 15 pools testing positive so far this year,” said Julie Fernandez, Environmental Health Supervisor. “The good news is there aren’t any human cases of West Nile Virus confirmed in Frisco in 2021, so everyone please keep following the ‘wear, apply and remove’ precautions.”

In accordance with its Mosquito Surveillance and Response Plan, Frisco began testing for mosquitoes May 1.  For more information on the city’s plan, visit or contact the City of Frisco’s Health & Food Safety Division at 972-292-5304.

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