New Maine Restrictions on Certain Rodenticides and Herbicides Now in Effect

The Maine Board of Pesticides Control (BPC) is notifying homeowners, pesticide users, retailers, and applicators that new restrictions on certain rodenticides and herbicides took effect on June 16, 2026. Under the new rules, products containing the following active ingredients are now classified as Restricted Use Pesticides in Maine: Rodenticides - Brodifacoum - Bromadiolone - Difenacoum - Difethialone Herbicides - Tebuthiuron As a result, these products may only be purchased and used by individuals who hold a valid pesticide applicator license issued by the BPC. General Use Pesticide Dealers may no longer sell products containing these active ingredients, and unlicensed individuals may no longer purchase or use them. ###What Homeowners Need to Know Homeowners and other unlicensed individuals who currently possess products containing these active ingredients may no longer use them. Existing products should be stored safely and disposed of properly. Residents are encouraged to contact their local municipality to learn about household hazardous waste collection events. Additional information about pesticide disposal options, including facilities that accept pesticides and annual coll