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Bill

S 664

An Act relative to liability for release of hazardous materials

194th Legislature (2025-2026) Introduced by Ed Kennedy and 1 co-sponsor

Massachusetts bill adjusting liability requirements for hazardous material releases, affecting responsibility assignment and cleanup cost allocation among responsible parties.

Accompanied S615
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WeVote Research Nonpartisan
Bill Summary · S 664

Legislative bill overview

S 664 modifies Massachusetts liability laws governing the release of hazardous materials, adjusting how responsibility and compensation are determined when contamination occurs. The bill was referred to the Environment and Natural Resources Committee and has been paired with related legislation (S 615) for consideration.

Why is this important

Hazardous material releases can cause significant environmental damage and public health risks, making liability frameworks critical for ensuring cleanup occurs and victims are compensated. These laws directly affect how businesses manage contamination risks, insurance requirements, and whether responsible parties or taxpayers bear cleanup costs.

Potential points of contention

  • Scope of liability: Whether the bill expands or narrows who can be held responsible (current owners, previous owners, operators, lenders, or waste generators)
  • Financial burden allocation: Whether changes shift cleanup costs between private parties, insurance companies, and government entities
  • Retroactive application: Whether new liability rules apply to historical contamination or only future releases, affecting legacy industrial sites

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

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