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2023 Mosquito Spraying

2023 Mosquito Spraying


The Northeast Massachusetts Mosquito Control and Wetlands Management District is conducting an application to control adult mosquitoes on Tuesday August 1st, 2023, in the evening between the hours of 8:00pm and 12am in North Andover. In case of inclement weather, the Backup date of application would be Wednesday August 2nd, 2023. The areas to be treated are the North Andover High & Middle School*, Atkinson School, Brooks School, Kittredge School, Franklin School, Sargent School, Drummond Field, Grogan Field, Carl Thomas Playground, Aplin Playground, McEvoy Field, Reynolds Playground, Gallagher Field, Cyr Rec Area, Foster Farm Fields, Carter Fields, Anne Bradstreet ECC, Old Town Common, Thomas Elementary, Patriot Memorial Field & The Stevens Estate. 

(*Please note, due to the timing of National Night Out, the North Andover Middle School area will be sprayed last.) 

The materials to be applied:

Suspend Polyzone (EPA Reg# 432-1514). Active Ingredient: Deltamethrin 4.75%. Suspend Polyzone is a long-lasting, up to 90 days, and effective residual barrier formulation that controls adult mosquitoes, even in warmer and wet environments. The Safety Data Sheet and product label can be viewed at

Zenivex E4-RTU (EPA Reg# 2724-807). Active Ingredient: Etofenprox (CAS #80844-07-1) 4%. Zenivex E4 RTU mosquito adulticide is a high efficacy, reduced risk adulticide that provides quick, permanent knockdown and reliable control of adult mosquito populations in any mosquito habitat flying at the time of application. This product contains no synergist, therefore no Piperonyl Butoxide (PBO). The Safety Data Sheet and product label can be viewed at

The vehicle is a mid-sized white pickup truck, marked with the NEMMC seal and will be driving slowly through the above designated areas with yellow lights activated. Residents and pets should remain indoors while the vehicle is operating in these designated areas. Air conditioners may remain ON. Please close doors and windows on the street side; they can be reopened within half an hour after truck passes. Recommendations are specific to ground spraying.

For further information contact the Northeast Massachusetts Mosquito Control and Wetlands Management District at 978-352-2800. 

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 North Andover Spraying Notice 2023 (1).pdf