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The original item was published from 5/24/2023 9:28:35 AM to 6/8/2023 12:00:02 AM.

News Flash

Board of Health

Posted on: May 24, 2023

[ARCHIVED] Mosquito Spray Schedule for May and June 2023

Central Mass. Mosquito Control Project
111 Otis Street, Northborough, MA 01532
Telephone: (508) 393-3055


Central MA Mosquito Control Project (CMMCP) personnel will be in Grafton to respond to resident's concerns about mosquitoes in their area on the following dates in May and June 2023:

  • May 31
  • June 8
  • June 15
  • June 21
  • June 29

Any of the above dates are tentative especially May 30 thru June 1, 2023 and all dates are subject to change due to weather conditions, mosquito populations, mosquito virus activity and/or special event spraying. This program will shut down when cool night time temperatures become predominant in the area. A detailed notice about our spray schedule is posted on the CMMCP telephone system after 3:30 p.m. each day, and it is also listed on our website at, click the "2023 Spray Schedule" button on the right. 

Requests for service may be recorded by calling the CMMCP office at 508-393-3055 between 7:00 a.m. and 3:30 p.m., Monday thru Friday, or logging onto Results of these requests may initiate an application of mosquito insecticides to defined, site-specific areas of town. Such an application may be accomplished by using truck mounted equipment depending on the extent of the application.

Per 333CMR13.03(1)(a): "Wide Area Applications of pesticides and mosquito control applications of pesticides approved by the State Reclamation and Mosquito Control Board shall not be made to private property which has been designated for exclusion from such application by a person living on or legally in control of said property."

For more information, please visit: and click the "No Spray Info" button on the right. 


Timothy D. Deschamps, Executive Director
Central MA Mosquito Control Project (CMMCP)

CMMCP Website

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