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SB 387

Civil procedure: statute of limitations; accrual of cause of action for groundwater contamination cases; revise. Amends 1961 PA 236 (MCL 600.101 - 600.9947) by adding sec. 5830.

2025-2026 Regular Session Introduced by Rosemary Bayer and 6 co-sponsors

Michigan bill extends lawsuit filing deadlines for groundwater contamination claims by revising when legal liability accrues, potentially allowing more contamination victims to seek damages.

REFERRED TO COMMITTEE ON ENERGY AND ENVIRONMENT
#civilprocedure:statuteoflimitations #environmentalprotection:groundwatercontamination
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Bill Summary · SB 387

Legislative bill overview

SB 387 amends Michigan's civil procedure statute to add Section 5830, which specifically addresses the statute of limitations and when a cause of action accrues in groundwater contamination cases. The bill establishes new legal parameters for how and when individuals or entities can file lawsuits related to groundwater pollution, potentially extending the timeframe available to bring such claims.

Why is this important

Groundwater contamination affects drinking water supplies, agricultural operations, and property values across Michigan. Current statute of limitations rules may prevent injured parties from filing claims if contamination is discovered long after it occurred, since the clock typically starts when damage happens—not when it's discovered. This bill could allow more contaminated property owners and affected residents to seek legal remedies and compensation from polluters.

Potential points of contention

  • Liability expansion concerns: Businesses and industrial operators worry that extending the window to file claims exposes them to decades-old liability for contamination, potentially bankrupting companies or creating massive retroactive damages
  • Discovery rule vs. accrual date: Disagreement over whether the clock should start when contamination occurs, when it's discovered, or when someone reasonably should have discovered it—each creates different practical and fairness outcomes
  • Insurance and environmental remediation: Uncertainty about how extended liability periods interact with existing environmental cleanup laws, insurance requirements, and whether this duplicates or conflicts with other state regulatory frameworks

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

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