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SB 611

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.

2023-2024 Regular Session Introduced by Rosemary Bayer and 8 co-sponsors

SB 611 establishes new statute of limitations rules for Michigan groundwater contamination lawsuits, allowing claims to proceed based on discovery rather than event timing.

referred to Committee on Government Operations
#civilprocedure:statuteoflimitations #environmentalprotection:groundwatercontamination
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Bill Summary · SB 611

Legislative bill overview

SB 611 amends Michigan's civil procedure code to establish a new statute of limitations framework specifically for groundwater contamination cases. The bill adds Section 5830 to the 1961 Michigan Compiled Law, which would define when a cause of action accrues in groundwater contamination litigation and determine the timeframe within which affected parties can file lawsuits.

Why is this important

Groundwater contamination cases often involve long latency periods—pollutants may take years or decades to migrate through soil and aquifers before causing measurable harm or being detected. This bill addresses a critical gap where traditional statute of limitations rules may bar legitimate claims before contamination is discovered, potentially leaving affected property owners and communities without legal recourse. The outcome will determine whether Michigan residents can pursue damages for contamination that occurred long ago but was recently discovered.

Potential points of contention

  • Discovery rule vs. fixed deadline: Whether the statute of limitations should begin when contamination occurs, when it's discovered, or when it reasonably should have been discovered—each approach has different consequences for defendants and plaintiffs
  • Retroactive application: Whether the new rules apply to contamination that occurred before the law's enactment, potentially reopening old cases
  • Liability for property owners and developers: How the law balances protections for current property owners against exposure for historical polluters, businesses, and municipalities

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

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