News Flash


Posted on: September 3, 2021

Remember Wear, Apply & Remove As Two Mosquito Pools Test Positive for WNV; City to Spray 9/3 & 9/4

(September 3, 2021) This week two mosquito pools in Frisco tested ’positive’ for West Nile Virus (WNV). The first location is near North County Rd., south of Eldorado Pkwy. This is the seventh positive test at this location so far this year. The second location is near the Taychas Trail on Cliffbrook Dr., east of Independence Pkwy.

In response, the city will ground spraying overnight, September 3 & 4, in some areas of the Meadow Hill Estates and Frisco Springs neighborhoods. (see map) The other area is in the Hunter’s Creek and Turnbridge Manor neighborhoods. (see map)

Weather permitting, a third-party contractor will apply treatment for two consecutive nights starting at 9 o’clock tonight, September 3, through 5 a.m. Saturday, September 4. The schedule is the same overnight Saturday through 5 a.m. Sunday, September 5.

This makes 28 positive mosquito pools in Frisco this season. Check out our GIS Mosquito Dashboard to see the locations. No human cases of WNV are confirmed in Frisco this year.

Frisco residents are urged 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.

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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