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Health and Wellness Newsroom

Health Department to Begin Mosquito Spraying

Wednesday May 31, 2006

Weather permitting, the Louisville Metro Health Department will begin spraying for mosquitoes Monday night, June 5. The area to be sprayed is located in Louisville's east end along the Ohio River. The spraying was to begin on June 1 but was cancelled due to weather.

Mosquito fogging is done between dusk and dawn. Mosquito fogging cannot be done if it is raining, if wind speeds exceed 10 miles per hour or if evening temperatures are above 85°F. In determining where to fog, the Health Department uses surveillance data, such as counts of mosquitoes in traps distributed throughout the metro area.Mosquito Map


  • North: Duroc Lane
  • South: West Riverside Drive
  • East: Carslaw Ct @ US 42
  • West: Beachland Beach / Ohio River

Workers will be spraying Anvil 2 +2® a product whose active ingredient is Sumethrin a synergized synthetic pyrethroid. This product offers a very low toxicity and odor. Pyrethroids can be used for public health mosquito control programs without posing unreasonable risks to human health. It is registered by the US EPA and the Kentucky Department of Agriculture for use in adult mosquito control programs. This product is biodegradable.

The Health Department will post areas to be fogged throughout the summer on its website Citizens may also phone the fogging hotline at 574-6641.