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S 585

An Act protecting drinking water quality in private wells.

194th Legislature (2025-2026) Introduced by Jim Arciero and 5 co-sponsors

Massachusetts bill establishing state drinking water quality standards, testing requirements, and oversight for private residential wells to protect public health in underregulated systems.

Accompanied a study order, see S2687
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Bill Summary · S 585

Legislative bill overview

S 585 aims to establish protections and quality standards for drinking water in private wells across Massachusetts. The bill, currently in the Environment and Natural Resources committee, would create regulatory frameworks to monitor, test, and maintain private well water safety, addressing a gap in state oversight since private wells typically fall outside municipal water system regulations.

Why is this important

Approximately 10-15% of Massachusetts residents rely on private wells for drinking water, yet these systems receive minimal state regulation compared to public water supplies. Contamination from agricultural runoff, septic systems, industrial activity, or naturally occurring substances poses real health risks to well owners who have no regulatory guarantee of water quality or notification requirements if contamination occurs.

Potential points of contention

  • Implementation costs: Mandatory testing and compliance measures could create significant expenses for private well owners, potentially placing burden on rural and lower-income households
  • Government overreach vs. property rights: Debate over how much state regulation should apply to private property water systems versus owner responsibility
  • Enforcement mechanisms: Unclear how the state would monitor compliance across thousands of dispersed private wells or what penalties would apply for non-compliance

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

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