West Nile Hits Five Positive Mosquito Pools in Frisco as City Orders Overnight Spraying
- Jul 25
- 3 min read
FRISCO, TEXAS: The City of Frisco received confirmation July 24 that two mosquito pools tested positive for West Nile virus, and in response the city's third-party contractor is conducting overnight ground spraying in the affected areas, according to the city's official notice.
Five Pools, Zero Human Cases
The new detections bring Frisco's total to five positive mosquito pools in 2026. No human cases of West Nile virus have been confirmed in Frisco this year, the city said. Under its Mosquito Surveillance and Response Plan, Frisco tests mosquito pools every year from May 1 through November 15, meaning the monitoring season still has months to run through the heart of a record-hot summer.
Wear, Apply, Remove
City health officials are urging residents to follow the three precautions promoted by the Texas Department of State Health Services. Wear long sleeves and pants outside at dawn and dusk, when mosquitoes are most active. Apply insect repellent every time you go outside, using products containing DEET, picaridin, or oil of lemon eucalyptus. Remove standing water where mosquitoes breed, including bird baths, French drains, clogged gutters, saucers under potted plants, and the splash blocks at the end of gutter downspouts.
Why Standing Water Matters More This Week
The mosquitoes that carry West Nile virus breed in stagnant water, and the same triple-digit stretch that has been stress-testing the power grid also accelerates evaporation into shallow, stagnant pockets that make ideal breeding sites. A quick weekend walk around the yard, tipping out anything holding water, remains the highest-leverage prevention step a household can take, per state health guidance.
Where to Get Information
Residents can find the city's full surveillance plan and prevention resources at friscotexas.gov/Mosquitoes or contact the City of Frisco's Health & Food Safety Division at 972-292-5304. The city posts spraying notices as detections are confirmed.
Why It Matters
Five positive pools by late July is a number worth watching, not a reason for alarm; the count that matters most, confirmed human cases in Frisco, still sits at zero. The season's outcome will be decided in backyards as much as by spray trucks. The facts are simple and free: cover up at dusk, use repellent that works, and dump the standing water. That is the whole playbook, straight from the state's health authorities.
By Albert Angarita · The Frisco News
Albert is a licensed Texas REALTOR® serving Frisco and North Texas. Buying, selling, or relocating? Work with Albert at Texava Real Estate.
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