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Johnston County RESUMES Aerial Mosquito Spraying of Clayton TONIGHT



Smithfield, NC – County-wide aerial spraying for mosquitoes is scheduled to resume tonight, Monday, October 8th from approximately 8 p.m. – 4 a.m., weather permitting.  This application will complete Johnston County’s preventive Mosquito Abatement plan. Spraying did not occur last night due to the contractor experiencing an unexpected delay in shipment.  Spraying will occur by aircraft flying approximately 300 feet above the ground surface. The affected areas to be sprayed are the remainder of Zone 1 and Zone 2. There will be no repeated spraying as areas are only sprayed once.

Environmentally sensitive areas of the county have been excluded and spraying will not occur during times of increased recreational activities.  The small amount of insecticide sprayed over an area does not pose a health risk to people or pets (CDC).  If people prefer to stay inside and close windows and doors when spraying takes place they can, but it is not necessary.

Planned routes and the schedule are available on and

North Carolina Governor Roy Cooper ordered mosquito control for all disaster counties including Johnston County, providing $4 million for critical mosquito control following Hurricane Florence.

Johnston County has informed us that aerial spraying of the Riverwood Athletic Club area north of the Neuse River will begin at 8 p.m. THIS Saturday, Oct. 6th through to 4 a.m. Sunday, Oct. 7th.  This is Zone 1. Spraying for the majority of the Town of Clayton, including Downtown Clayton, will begin at 8 p.m. THIS Sunday, Oct. 7th through to 4 a.m. on Monday morning, Oct. 8th.  This is Zone 2. Areas that will be sprayed will only be sprayed once. Environmentally sensitive areas like along rivers and streams (those areas marked on the map with black X's) will not be sprayed. 

Read more here about this mosquito control method from the Environmental Protection Agency. 

Residents are encouraged to monitor and updates and to contact Johnston County Environmental Health at 919-989-5180 with questions. Sign up for emergency alert texts, emails and calls here. 

Aerial Spraying in Johnston County for Mosquitoes

Smithfield, NC – Johnston County officials interviewed companies to provide aerial spraying for mosquitoes throughout Johnston County. Vector Disease Control International (VDCI) was contracted and will begin aerial spraying for mosquitoes in Johnston County, weather permitting, as early as next week and continuing throughout the week.

The current populations of mosquitoes pose a public health risk / nuisance in the public’s effort to recover from Hurricane Florence. County-wide aerial spraying is part of Johnston County’s emergency response to the increased mosquito population as a result of heavy rainfall and flooding caused by the recent hurricane.  VDCI will begin using low flying aircraft for aerial spraying beginning at approximately 8:00 p.m. until 4:00 a.m.  

Johnston County has elected to use Naled, an EPA registered insecticide that is commonly applied aerially as an ultra-low volume spray. EPA registered insecticides have been studied for their effectiveness and safety when used according to label instructions. Naled starts to break down immediately on surfaces, in water, and in sunlight. During aerial spraying, a small amount of insecticide is sprayed over an area, less than 1 ounce (two tablespoons) per acre, or about the size of a football field.  This small amount should not pose a health risk to people or pets in the area that is sprayed. Residents may prefer to stay inside and close windows and doors when spraying takes place, but it is not necessary.

Per the Centers for Disease Control and Prevention, the USDA has determined, under the USDA organic regulations, that application of Naled for mosquito control will not impact the organic status of certified organic crops and livestock. Only small amounts of Naled are used for mosquito control.  Spraying Naled will not result in a detectable presence of Naled or its byproducts on the ground, plants, or animals.

Residents are encouraged to monitor and for updates and to contact Johnston County Environmental Health at 919-989-5180 for questions.


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