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HB 6174

Water supply: quality and standards; access to safe drinking water; require when a water source tests positive for polyfluoroalkyl substances (PFAS). Amends 1978 PA 368 (MCL 333.1101 - 333.25211) by adding secs. 12722, 12723 & 12724.

2023-2024 Regular Session Introduced by Rachel Hood and 5 co-sponsors

Michigan bill requires water systems testing positive for PFAS to notify the public and take corrective action to ensure safe drinking water access.

bill electronically reproduced 11/26/2024
#environmentalprotection:waterpollution #watersupply:qualityandstandards
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Bill Summary · HB 6174

Legislative bill overview

HB 6174 amends Michigan's public health code to establish requirements for water systems that detect PFAS (per- and polyfluoroalkyl substances) in their water supply. The bill adds three new sections to the Michigan Public Health Code to mandate specific actions when PFAS contamination is identified in drinking water sources.

Why is this important

PFAS are synthetic chemicals used in numerous industrial and consumer products that accumulate in the environment and human tissue, with emerging evidence linking them to health problems including immune system suppression, thyroid disease, and cancer. Establishing clear regulatory standards ensures consistent public notification and remediation across Michigan's water systems, protecting vulnerable populations dependent on potentially contaminated supplies.

Potential points of contention

  • Compliance costs: Water utilities may face significant expenses for testing, treatment infrastructure, and alternative water source development, potentially leading to rate increases for consumers
  • Regulatory scope and standards: Disagreement may arise over what PFAS levels trigger action, which chemicals are covered, and whether standards align with federal EPA guidance or are more/less stringent
  • Liability and responsibility: Unclear allocation of responsibility between water providers, state regulators, and contamination sources (manufacturers, airports, military sites) could create litigation and cost disputes

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

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