Michigan 2025-2026 Regular Session Status: Passed Senate 1 D cosponsors

SB 46 — Water supply: systems; mobile home park water delivery systems; regulate. Amends secs. 2, 3 & 15 of 1976 PA 399 (MCL 325.1002, et seq.).

Last action — referred to Committee on Regulatory Reform

  1. ✓
    Introduced
  2. ✓
    In Committee
  3. 3
    Passed Senate
  4. 4
    Passed House
  5. 5
    To Executive
  6. 6
    Enacted

This bill has passed the Senate. Introduced June 26, 2025. It now moves to the second chamber.

Next likely step: consideration and a floor vote in the House.

Odds of enactment

Moderate chance

Based on the sponsor, cosponsors, and committee posture, this bill has a moderate chance of becoming law.

Upgrade to see the exact probability and what's driving it.

A statistical estimate from our own model of past outcomes — an insight, not a guarantee. Policymaking is volatile.

Prognosis

Advancing 48% · moderate confidence

  • Passed Senate

    Current position in the legislative process.

  • 1 sponsor

    1 primary, 0 co-sponsors signed on.

  • Single-party support

    Sponsorship is currently within one party (1 D).

  • Cleared a recorded vote

    Passed 2 recorded votes so far.

Based on stage, sponsorship breadth, committee status, recorded votes, and cross-state momentum — a description of the observable signals, not a prediction.

Summary

Water supply: systems; mobile home park water delivery systems; regulate. Amends secs. 2, 3 & 15 of 1976 PA 399 (MCL 325.1002, et seq.).

Bill Text

What changed in the latest version

9 added · 8 removed

Plain-language change summary

In the latest version of Bill SB 46, lawmakers added nine lines of new text while removing eight lines from the previous draft. These changes likely reflect updates to clarify the bill's intentions or to strengthen its provisions. This is important because it can affect how the bill will be implemented and ensure it better meets the needs of the community it serves. The adjustments demonstrate lawmakers' commitment to refining the legislation based on feedback and evolving circumstances.

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SUBSTITUTE FOR SENATE BILL NO.
SB-46, As Passed Senate, June 26, 2025 SUBSTITUTE FOR SENATE BILL NO.
(b) "Capacity assessment" means an evaluation of the technical, financial, and managerial capability of a community supply or nontransient noncommunity water supply to comply and RMH S00897'25 (S-2) 13v0z8 1 maintain compliance with all requirements of this act and the rules promulgated under this act.
(b) "Capacity assessment" means an evaluation of the technical, financial, and managerial capability of a community supply or nontransient noncommunity water supply to comply and RMH S00897'25 (S-2)_SB46_APS_1 g6k2ei 1 maintain compliance with all requirements of this act and the rules promulgated under this act.
(i) "Imminent hazard" means that in the judgment of the director there is a violation, or a condition that may cause a violation, of the state drinking water standards at a public water RMH S00897'25 (S-2) 13v0z8 1 supply requiring immediate action to prevent endangering the public health.
(i) "Imminent hazard" means that in the judgment of the director there is a violation, or a condition that may cause a violation, of the state drinking water standards at a public water RMH S00897'25 (S-2)_SB46_APS_1 g6k2ei 1 supply requiring immediate action to prevent endangering the public health.
(p) (o) "Political subdivision" means a city, village, RMH S00897'25 (S-2) 13v0z8 1 township, charter township, county, district, authority or portion or combination thereof.
(p) (o) "Political subdivision" means a city, village, RMH S00897'25 (S-2)_SB46_APS_1 g6k2ei 1 township, charter township, county, district, authority or portion or combination thereof.
(v) (t) "Supplier of water" or "supplier" means a person who RMH S00897'25 (S-2) 13v0z8 1 that owns or operates a public water supply, and includes a water hauler.
(v) (t) "Supplier of water" or "supplier" means a person who RMH S00897'25 (S-2)_SB46_APS_1 g6k2ei 1 that owns or operates a public water supply, and includes a water hauler.
(a) Enter upon the waterworks system of a supplier of water at RMH S00897'25 (S-2) 13v0z8 1 reasonable times for the purpose of inspecting the waterworks system and carrying out the requirements and responsibilities under this act and the rules promulgated under this act.
(a) Enter upon the waterworks system of a supplier of water at RMH S00897'25 (S-2)_SB46_APS_1 g6k2ei 1 reasonable times for the purpose of inspecting the waterworks system and carrying out the requirements and responsibilities under this act and the rules promulgated under this act.
If, upon on inspection, the department determines the waterworks system to be is inadequate or so operated as to in a manner that does not adequately protect the public health, the department may order the supplier of water or the owner of customer site piping located at a mobile home park or seasonal mobile home park to make alterations in the waterworks system or its the method of operation as may be required or considered advisable by the department to assure ensure the public water supply waterworks system can produce or distribute RMH S00897'25 (S-2) 13v0z8 1 water that is adequate, is healthful, and in conformance with meets state drinking water standards.
If, upon on inspection, the department determines the waterworks system to be is inadequate or so operated as to in a manner that does not adequately protect the public health, the department may order the supplier of water or the owner of customer site piping located at a mobile home park or seasonal mobile home park to make alterations in the waterworks system or its the method of operation as may be required or considered advisable by the department to assure ensure the public water supply waterworks system can produce or distribute RMH S00897'25 (S-2)_SB46_APS_1 g6k2ei 1 water that is adequate, is healthful, and in conformance with meets state drinking water standards.
306 of the Public Acts of 1969, as amended, being sections 24.201 to 24.328 of the Michigan Compiled Laws, shall 1969 PA 306, MCL 24.201 to 24.328, must proceed concurrently with an emergency order upon on written request of the RMH S00897'25 (S-2) 13v0z8 1 supplier of water or the owner of customer site piping located at a mobile home park or seasonal mobile home park received within 15 days after the department issues the emergency order.
306 of the Public Acts of 1969, as amended, being sections 24.201 to 24.328 of the Michigan Compiled Laws, shall 1969 PA 306, MCL 24.201 to 24.328, must proceed concurrently with an emergency order upon on written request of the RMH S00897'25 (S-2)_SB46_APS_1 g6k2ei 1 supplier of water or the owner of customer site piping located at a mobile home park or seasonal mobile home park received within 15 days after the department issues the emergency order.
Final Page RMH S00897'25 (S-2) 13v0z8
Final Page RMH S00897'25 (S-2)_SB46_APS_1 g6k2ei
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Action History

  1. referred to Committee on Regulatory Reform

Sponsors

Sponsorship breakdown

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1 sponsors · 0 co-sponsors · 146 not signed on · 9 voted No

Sponsors (1)

Co-sponsors (0)

None.

Not signed on (146)

146 members have not signed on to this bill.

Show all 146 →

"Not signed on" means a member has not sponsored or co-sponsored this bill — it does not imply opposition. Members flagged Voted No have a recorded No vote on this bill.

Whip count is in markup. Polling the chamber and every recorded vote this session. Only the first open is slow. It’s instant for you after this. Calling the roll · Tallying · Engrossing

Votes

PASSED

Passed 28 Yea · 9 Nay
Party YeaNayPresentNot Voting
Republican 9800
Democrat 19000
Unaffiliated 0100
Total 28900
% of votes cast 76%24%0%0%
How each member voted (37)
Member Party Vote
Outman — Nay
Darrin Camilleri Democrat Yea
Dayna Polehanki Democrat Yea
Erika Geiss Democrat Yea
Jeff Irwin Democrat Yea
Jeremy Moss Democrat Yea
John Cherry Democrat Yea
Kevin Hertel Democrat Yea
Mallory McMorrow Democrat Yea
Mary Cavanagh Democrat Yea
Paul Wojno Democrat Yea
Rosemary Bayer Democrat Yea
Sam Singh Democrat Yea
Sarah Anthony Democrat Yea
Sean McCann Democrat Yea
Stephanie Chang Democrat Yea
Sue Shink Democrat Yea
Sylvia Santana Democrat Yea
Veronica Klinefelt Democrat Yea
Winnie Brinks Democrat Yea
Aric Nesbitt Republican Nay
Dan Lauwers Republican Nay
Edward McBroom Republican Yea
Jim Runestad Republican Yea
John Damoose Republican Yea
Jon Bumstead Republican Nay
Jonathan Lindsey Republican Yea
Joseph Bellino Jr. Republican Nay
Kevin Daley Republican Nay
Lana Theis Republican Nay
Mark Huizenga Republican Yea
Michael Webber Republican Yea
Michele Hoitenga Republican Nay
Roger Hauck Republican Nay
Roger Victory Republican Yea
Ruth Johnson Republican Yea
Thomas Albert Republican Yea

Official roll call →

PASSED ROLL CALL # 183 YEAS 28 NAYS 9 EXCUSED 0 NOT VOTING 0

Passed 28 Yea · 9 Nay
Party YeaNayPresentNot Voting
Republican 9900
Democrat 19000
Total 28900
% of votes cast 76%24%0%0%
How each member voted (37)
Member Party Vote
Darrin Camilleri Democrat Yea
Dayna Polehanki Democrat Yea
Erika Geiss Democrat Yea
Jeff Irwin Democrat Yea
Jeremy Moss Democrat Yea
John Cherry Democrat Yea
Kevin Hertel Democrat Yea
Mallory McMorrow Democrat Yea
Mary Cavanagh Democrat Yea
Paul Wojno Democrat Yea
Rosemary Bayer Democrat Yea
Sam Singh Democrat Yea
Sarah Anthony Democrat Yea
Sean McCann Democrat Yea
Stephanie Chang Democrat Yea
Sue Shink Democrat Yea
Sylvia Santana Democrat Yea
Veronica Klinefelt Democrat Yea
Winnie Brinks Democrat Yea
Aric Nesbitt Republican Nay
Dan Lauwers Republican Nay
Edward McBroom Republican Yea
Jim Runestad Republican Yea
John Damoose Republican Yea
Jon Bumstead Republican Nay
Jonathan Lindsey Republican Yea
Joseph Bellino Jr. Republican Nay
Kevin Daley Republican Nay
Lana Theis Republican Nay
Mark Huizenga Republican Yea
Michael Webber Republican Yea
Michele Hoitenga Republican Nay
Rick Outman Republican Nay
Roger Hauck Republican Nay
Roger Victory Republican Yea
Ruth Johnson Republican Yea
Thomas Albert Republican Yea

Official roll call →

Subjects

public-safety housing environment energy
Cross-referencing the record. Reading this bill against every other bill in the corpus by meaning, not keywords. Only the first open is slow. It’s instant for you after this. Matching · Ranking · Engrossing

Frequently asked questions

What does SB 46 do?
Water supply: systems; mobile home park water delivery systems; regulate. Amends secs. 2, 3 & 15 of 1976 PA 399 (MCL 325.1002, et seq.).
Who sponsors SB 46?
SB 46 is sponsored by Jeff Irwin (Democrat).
What is the current status of SB 46?
This bill has passed the Senate. Introduced June 26, 2025. It now moves to the second chamber.
Where can I track SB 46?
Track SB 46 free on One Click Politics — get push/email alerts when it moves.

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