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H 4571

An Act authorizing the town of Arlington to prohibit use of second generation anti-coagulant rodenticides by commercial pesticide applicators

194th Legislature (2025-2026) Introduced by Cindy Friedman and 1 co-sponsor

Arlington, Massachusetts would ban second-generation anticoagulant rodenticides used by commercial pest applicators to reduce wildlife poisoning through food chain bioaccumulation.

Accompanied a new draft, see H5217
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Bill Summary · H 4571

Legislative bill overview

This bill grants the town of Arlington, Massachusetts the authority to ban second-generation anti-coagulant rodenticides (SGARs) used by commercial pest control operators within town limits. SGARs are potent rat and mouse poisons that work by preventing blood clotting. The measure has passed the Senate and is currently under committee review in the House.

Why is this important

SGARs persist in the environment and bioaccumulate in predator food chains, causing poisoning in hawks, owls, foxes, and other wildlife that consume poisoned rodents. This is a significant ecological concern in densely populated areas. The bill represents a shift toward local environmental protection by allowing municipalities to implement stricter pesticide regulations than state law currently permits.

Potential points of contention

  • Business impact: Commercial pest control companies operating in Arlington may face reduced service options and potential revenue loss, potentially driving up costs for residents dealing with rodent infestations
  • Effectiveness concerns: Critics may argue that banning SGARs limits pest management tools without proven alternatives being equally effective, potentially allowing rodent populations to grow unchecked
  • Jurisdictional patchwork: Allowing individual towns to set pesticide rules creates inconsistent regulations across the region, complicating compliance for pest control businesses serving multiple municipalities

Compiled from official sources — confirm details with the bill’s official record.

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