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City Spraying Second Treatment As a Result of a Confirmed West Nile Case

Post Date:08/23/2018 5:00 PM

October 11, 2018

The City of Greenwood received notification on Friday, September 28, 2018 from South Carolina Department of Health and Environmental Control (SCDHEC) of a positive human West Nile Virus (WNV) case in the southern portion of the City limits.   In accordance with SCDHEC protocol, the City completed a spray treatment in a 1-mile treatment area on Saturday, September 29 and Sunday, September 30.    The City plans to complete a second spray treatment in a 1-mile area on Friday, October 12 from 7 to 9 PM and Saturday, October 13 from 6 to 8 AM.

In response to this West Nile Virus notification, the City will be following SCDHEC protocol to focus on an elevated mosquito control spraying plan in a 1-mile treatment radius in and around the southern portion of the City. The City uses permethrin, applied via a truck ground mounted fogger, which is designed to kill adult mosquitoes.  Our staff are trained and certified to properly apply the insecticide, per manufacturer’s instructions.  While there are certainly risk factors associated with insecticides, the proper application maximizes the purpose, while limiting risk to the general population.   

If you are in the spray zone, you should receive notification from the County’s Code Red System (Not registered for Code Red?  Register here -    Spraying will begin Friday (10/12) evening from 7 PM – 9 PM.  Additional spraying will occur Saturday morning from 6 AM to 8 AM.  We are unable to define the exact time we will be on your street.   If it is raining, the City will delay spraying.  

Our product supplier has provided that approximately 10 min after spraying, the product is no longer in the air.  It becomes biodegradable 12 hours after application.  It is recommended that you stay inside your residence while spraying occurs.  However, there is no large threat associated with the application. 

We understand that this may be an inconvenience.  However, the City must follow the directed protocol to remove the potential of mosquitoes that may carry disease.  If you have additional questions, please visit the City website at or or call (864) 942-8412.


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