News Flash


Posted on: July 15, 2022

City to Spray July 15-16, as Two Mosquito Pools Test Positive for WNV

(July 15, 2022) The City of Frisco received confirmation that two mosquito pools tested ’positive’ this week for West Nile Virus (WNV). The first location is in the area around Oakbrook Park/Hickory Creek. The second location is near Wendover Dr. east of Legacy Dr.  

In response, the city will ground spray overnight, July 15 – 16, in area south of Main St. and east of 5th St. / Parkwood Blvd. and includes part of the downtown Rail District, Hickory Springs, Oakbrook Park Estates, Woodstream Hills, Hickory Hills and Stonebrook neighborhoods (see map). The other spray area is in these neighborhoods: Stonebriar Park, The Chase at Stonebriar, Creekside at Stonebriar and Stonebriar Creek Estates (see map).

Weather permitting, a third-party contractor will apply treatment for two consecutive nights starting at 9 o’clock tonight, July 15, through 5 a.m. Saturday morning. The overnight schedule is the same on Saturday, July 16, ending 5 a.m. Sunday morning.

This makes seven positive mosquito pools in Frisco this season. Check out our GIS Mosquito Dashboard to see the locations of positive pools for this year as well as those from last year. 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 mosquito pools on 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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