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IntroducedAug 14, 2025
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Passed Senate
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Passed House
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Became Law
Michigan Senate Bill
Water supply: quality and standards; testing and reporting of the amount of microplastics in public drinking water supplies; require. Amends sec. 5 of 1976 PA 399 (MCL 325.1005) & adds sec. 6a.
Last Action See all actions
Senate • Mar 11, 2026: REFERRED TO COMMITTEE OF THE WHOLE WITH SUBSTITUTE (S-1)
Latest Bill Text See all bill texts
Senate Calendar: GENERAL ORDERS
Position: 51
Summary
Comments on SB 504
Tweets
Whip Lists
Sponsors



- Mallory McMorrowcosponsor
- Rosemary Bayercosponsor
- Mary Cavanaghcosponsor
- Darrin Camillericosponsor
- Sue Shinkcosponsor
Votes
Actions
- Mar 11, 2026 | Senate
- REPORTED FAVORABLY WITH SUBSTITUTE (S-1) 3/10/2026
- REFERRED TO COMMITTEE OF THE WHOLE WITH SUBSTITUTE (S-1)
- Aug 14, 2025 | Senate
- INTRODUCED BY SENATOR DAYNA POLEHANKI
- REFERRED TO COMMITTEE ON NATURAL RESOURCES AND AGRICULTURE
