Mosquito Spraying in Easttown Wednesday Night

The war on West Nile Virus comes to TE as Chester County plans to spray for mosquitoes Wednesday Night.

Chester County wil spray for mosquitoes Wednesday night between 8 and 11 p.m.

The County Health Department released the following information on its website:

Weather permitting, the Chester County Health Department will conduct a mosquito control treatment in portions of Easttown Township.

Click here for a map of the treatment area.

The treatment will be conducted on Wednesday, August 29th between 8:00pm-11:00pm. The treatment will be administered with truck-mounted spray equipment. The equipment dispenses Permanone RTU, a permethrin insecticide product, at a rate of 1.5 ounces per acre.


Certain mosquito species carry the West Nile virus which, when transmitted to people, can cause West Nile encephalitis, an infection that can result in an inflammation of the brain. All residents in areas where virus activity has been identified are at risk of getting West Nile encephalitis.

Margaret Rivello, County Health Director, warns that “Although spraying is conducted to help reduce the mosquito populations, treatments cannot totally eliminate mosquitoes. Residents should take precautions to help reduce contact with mosquitoes and breeding areas.”

The Health Department recommends the following precautions to help eliminate mosquito-breeding
• Dispose of open containers on your property that may collect water, such as tin cans, plastic containers, ceramic pots, etc.
• Keep your property clear of old tires or avoid areas where they may be stored. • Drill holes in the bottom of outdoor recycling containers so that water will not collect.

• Clean roof gutters, particularly if leaves from surrounding trees have a tendency to plug drains.
• Turn over plastic wading pools when not in use.

• Turn over wheelbarrows and don’t let water stagnate in birdbaths.

• Aerate ornamental pools or stock them with fish.
• Clean and chlorinate swimming pools when not in use. A swimming pool left untended for a month can produce enough mosquitoes to result in neighborhood-wide complaints. Mosquitoes may even breed in the water that collects on pool covers.
• For stagnant pools of water, homeowners can buy BTI products at lawn and garden supply stores. This naturally occurring bacterial product kills mosquito larvae but is safe for people, pets, aquatic life and plants.
In addition, take these simple precautions to prevent mosquito bites:

• Make sure screens fit tightly over doors and windows to keep mosquitoes out of homes.
• Consider wearing long-sleeved shirts, long pants and socks when outdoors, particularly when mosquitoes are most active at dawn and dusk, or in areas known for having large numbers of mosquitoes.
• When possible, reduce outdoor exposure at dawn and dusk during the summer.
• Use insect repellants. An effective repellant will contain DEET, picaridin, or oil of lemon eucalyptus. Always be sure to follow the manufacturer label directions. Consult with a pediatrician or family physician if you have questions about the use of repellant on children, as repellant is not recommended for children under the age of two months.

For more information on West Nile Virus, visit the Health Department’s website or call 610-344-6752.

Lee August 29, 2012 at 06:19 PM
Thanks Bob and Patch for helping to notify interested citizens.
Bob Byrne August 29, 2012 at 06:25 PM
That's what we're here for!
Debbie Brewer Watson August 29, 2012 at 08:33 PM
Is this pesticide safe for children and/or pets?
peter l. stevens August 29, 2012 at 08:47 PM
How do we know what the toxicity is to bats, since they feed at night? and the literature on insecticide permanone indicates that the permanone to be sprayed "is extremely toxic tofish and aquatic invertabrates." Also "is highly toxic to bees exposed to direct treatment on blooming crops or weeds."
LJ Reed August 30, 2012 at 06:17 PM
Yes it is. Sorry this is from the better late than never file, but West Nile Encephalitis is very serious of course. http://www.chesco.org/health/lib/health/pdf/permanone.pdf


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