HB5850

Water supply: systems; cyber-physical security and operational technology protections for public water systems; provide for. Amends sec. 21 of 1976 PA 399 (MCL 325.1021) & adds sec. 8a.

Introduced·4/22/26
Introduced Text

Michigan HB5850 amends water supply laws to mandate cybersecurity protections for public water systems.

Michigan HB5850 amends the Michigan Safe Drinking Water Act to enhance cybersecurity and operational technology protections for public water systems. It requires public water supplies to implement security measures against cyberattacks, physical attacks, and cyber disruptions. The bill mandates a risk-based cybersecurity and resilience program aligned with nationally recognized frameworks. It also requires the use of safety-critical systems, redundant cooling, and thermal reliability. Public water supplies must create incident response and disaster recovery plans.

Included in complete analysis

  • Overview
  • Core Provisions
  • Implementation
  • Impact
  • Legal Framework
  • Critical Issues

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Where it stands

Current
Government Operations Committee
Next
Committee decision

Sponsors

DDD
3
0
Democratic CaucusRepublican Caucus

History

Apr 23

House

Bill Electronically Reproduced 04/22/2026

Apr 22

House

Introduced By Representative Rep. Reggie Miller

Apr 22

House

Read A First Time