UPDATED: September 29, 2023

The Lake County General Health District (LCGHD) conducts mosquito treatment in most of the municipalities in Lake County that are densely populated. Treatment reduces the risk of mosquito-borne diseases and provides for a more comfortable summer environment. Since mosquitoes may be infected with both La Crosse and St. Louis Encephalitis Virus, and human cases with this disease have been identified in the Health District in the past, mosquitoes can be considered a public health nuisance. The public health significance of mosquitoes has been amplified by the recent spread of the West Nile Virus. The Health District is licensed through the Ohio Department of Agriculture to apply pesticides for the purpose of mosquito control. If you have any further questions that are not answered from this web site, please contact our offices on weekdays between 8:00 a.m. and 4:30 p.m. at (440) 350-2543 or (440) 918-2543.

Updated Treatment Schedule

The same information as below may be obtained by calling the Health District Treatment Schedule Hotline, 24 hours per day at (440) 350-2088 OR (440) 918-2088.

Below is the Mosquito Control Treatment schedule. The schedule may change at any time due to the weather or other variables.

Tuesday 10/3/23
Painesville Township 9A

Wednesday 10/4/23
Painesville Township 9B
Mentor 1A (Eastern portion of Mentor)

Thursday 10/5/23
Mentor 1B (Eastern portion of Mentor)
Eastlake 8A

Cancellation for Mosquito Treatment

The treatment schedule can change daily. Any of the following conditions can delay or cancel treatment:

  • Number of adult mosquitoes trapped at specific trap site location below the threshold value for treatment
  • Winds greater than 15 mph
  • 50% or greater chance of rain
  • Temperatures cooler than 55 degrees
  • Mechanical failures
  • We will evaluate if spray is warranted on an Air Quality Advisory day

Areas to be treated are determined by the number of mosquitoes trapped at our trap sites, complaints, and past history.

This page is updated as new information is provided to us by the LCGHD. Please note that the schedule can change at any time. Please call the Mosquito Hotline at (440) 350-2088 or visit https://www.lcghd.org/mosquito-control/ for an up-to-date schedule.