HB 4352 Michigan House · 2025-2026 Regular Session

Water supply: systems; authority as municipal authority; modify. Amends title & secs. 1, 4, 4a, 4b, 4c & 4d of 1955 PA 233 (MCL 124.281 et seq.).

HB 4352 is a technical amendment to Michigan's 1955 water supply authority law (MCL 124.281 et seq.), modifying specific sections of the statute to update administrative procedures. It directly affects municipal water systems operating under this law by adjusting how they function as "municipal authorities." The bill does not create new policies or funding but revises existing legal language for clarity and alignment. As a procedural update, it requires no new approvals beyond standard legislative review.
Bill status passed both 4 of 5 stages cleared
Introduction
Apr 2025
Committee Review
Jan 2026
House Passage
Dec 2025
Senate Passage
Jan 2026
Governor
Introduced Apr 22, 2025 Last action Jan 14, 2026
Maddy AI version diff · 3 comparisons

What changed between versions

Substitute (H-1) Substitute (H-1) - 2 · 3 edits
MINOR
The document was updated from a list of committee records to include the full text of the substitute bill for HB 4352. The substantive policy changes within the bill text include expanding the definition of a 'qualified authority' to include those managing water systems with a weekly capacity of 1 billion gallons, adding new powers for authorities to appoint law enforcement officers, and clarifying definitions for various utility systems.
Scope change
The bill's scope was expanded to explicitly authorize authorities to appoint or employ law enforcement officers, and the applicability of the 'qualified authority' status was increased based on water treatment capacity.
REQUIREMENT

Added explicit authority for incorporated municipal authorities to appoint or employ law enforcement officers.

Added specific provisions allowing authorities to adopt bylaws, maintain offices, and determine project designs and construction standards.

DEFINITION

Modified the definition of 'qualified authority' to include entities operating water supply systems with a weekly treatment capacity of 1 billion gallons or more.

Floor votes · House Dec 17, 2025

How they voted

This bill passed the Senate by voice vote (no roll call recorded).
Full legislative history

Actions timeline

Total actions
18
Key actions
6
Committee
5
Jan 14, 2026
Committee
REFERRED TO COMMITTEE ON LOCAL GOVERNMENT
upper
Jan 14, 2026
Upper · Passed
PASSED BY HOUSE WITH IMMEDIATE EFFECT
upper
Dec 17, 2025
Lower · Passed
passed Roll Call #366 Yeas 84 Nays 19 Excused 0 Not Voting 7
lower
Dec 17, 2025
Lower · Passed
passed; given immediate effect Roll Call #348 Yeas 85 Nays 18 Excused 0 Not Voting 7
lower
Dec 16, 2025
Lower · Passed
substitute (H-1) adopted
lower
Aug 21, 2025
Committee
referred to second reading
lower
Aug 21, 2025
Lower · Passed
reported with recommendation with substitute (H-1)
lower
Jun 5, 2025
Lower · Passed
recommendation concurred in
lower
Jun 5, 2025
Committee
referred to Committee on Rules, with substitute (H-1)
lower
Apr 22, 2025
Committee
referred to Committee on Regulatory Reform
lower
Apr 22, 2025
Introduced
introduced by Representative Rep. Tyrone Carter
lower
1 primary · 9 co-sponsors

Sponsors