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SB 505

Environmental protection: hazardous products; Michigan statewide microplastics strategy; establish. Amends 1994 PA 451 (MCL 324.101 - 324.90106) by adding pt. 151.

2025-2026 Regular Session Introduced by Rosemary Bayer and 7 co-sponsors

Michigan establishes statewide microplastics strategy to identify, restrict, and manage plastic particle pollution from consumer and industrial products in state waters and ecosystems.

REFERRED TO COMMITTEE ON NATURAL RESOURCES AND AGRICULTURE
#environmentalprotection:hazardousproducts #stateagencies(existing):environment #greatlakes #andenergy
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Bill Summary · SB 505

Legislative bill overview

SB 505 would amend Michigan's environmental protection law to establish a statewide microplastics strategy and regulatory framework for hazardous products containing microplastics. The bill adds a new part to the 1994 Public Act 451, creating authority for the state to identify, restrict, and manage microplastic pollution from consumer and industrial products.

Why is this important

Microplastics—tiny plastic particles from cosmetics, synthetic textiles, tire wear, and degraded plastics—accumulate in Michigan's waterways, soil, and potentially drinking water supplies, with unknown long-term health effects. A coordinated state strategy could reduce microplastic pollution before it becomes an entrenched environmental problem, similar to how other states are beginning to restrict microbeads in cosmetics and microfiber releases.

Potential points of contention

  • Industry compliance costs: Manufacturers may face expenses to reformulate products or find microplastic alternatives, potentially increasing consumer prices for affected goods
  • Regulatory scope uncertainty: The bill's specific restrictions on which products are targeted remain unclear from the summary; overly broad restrictions could limit legitimate industrial uses
  • Enforceability challenges: Microplastics originate from diverse sources (tire wear, textile shedding, degradation); controlling these requires coordination across multiple industries and may prove administratively complex

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

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