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The original item was published from 9/8/2021 3:05:30 PM to 9/14/2021 11:42:48 AM.

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County News

Posted on: September 8, 2021

[ARCHIVED] Denton County Schedules Ground Spraying in Response to Three Positive WNV Mosquito Traps

DCPH West Nile Update

Denton County Public Health (DCPH) is reporting two positive West Nile Virus (WNV) mosquito traps in unincorporated Denton County. The positive mosquito traps are located in the following unincorporated areas:

  • South of US-380 near South Paloma Creek
  • Northeast of Argyle and South of Denton 
  • South of Argyle

DCPH will conduct truck-based ground spraying in the area near the positive WNV mosquito traps beginning Thursday, September 9, 2021.  The ground spraying schedule is as follows, weather permitting:

  • Thursday, September 9, 2021 between the hours of 9 PM and 5 AM
  • Friday, September 10, 2021 between the hours of 9 PM and 5 AM
  • Saturday, September 11, 2021 between the hours of 9 PM and 5 AM

DCPH advises residents to take the following steps to minimize risk of contracting WNV:

  • Drain standing water in your yard and neighborhood to minimize mosquito breeding sites such as bird baths, flowerpots, and clogged rain gutters.  Consider the use of BTI briquettes, often called mosquito dunks, in standing water that cannot be eliminated. 
  • Dress in long sleeves and pants when you are outside and spray thin clothing with repellent.
  • Defend yourself by using EPA-registered repellent.  Check for ingredients like DEET, Picaridin, or Oil of Lemon Eucalyptus.

Detailed maps of the spray areas are located on the DCPH West Nile Virus website at, along with additional information including mosquito maps, latest news, and facts about WNV.  Residents in the affected area are being informed via emergency alerts and signage.

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