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Bill

SB 16

Prohibit Discharge Preproduction Plastic Materials

2026 Regular Session

Colorado prohibits plastic pellet discharge into waterways, requiring manufacturers to prevent microplastic pollution through containment measures with enforcement penalties.

Governor Signed
#naturalresources&environment #publichealth #water
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Bill Summary · SB 16

Legislative bill overview

SB 16 prohibits the discharge of preproduction plastic materials (plastic pellets, powder, and flakes used in manufacturing) into Colorado's waterways and environment. The bill establishes penalties for violations and likely requires plastic manufacturers and processors to implement containment procedures to prevent loss of these materials during production and transportation.

Why is this important

Preproduction plastic pellets ("nurdles") are a significant source of microplastic pollution that enters aquatic ecosystems, contaminates drinking water sources, and accumulates in wildlife. Colorado's watersheds feed into major river systems serving millions of people downstream, making plastic pollution control a regional water quality issue with health implications.

Potential points of contention

  • Compliance costs: Manufacturers may face expenses implementing containment systems, potentially increasing production costs or incentivizing relocation to states with weaker regulations
  • Enforcement complexity: Distinguishing intentional discharge from accidental loss during transport requires clear regulatory definitions and monitoring mechanisms that may be resource-intensive
  • Scope ambiguity: The bill's amendment history suggests debate over what counts as "discharge" and whether it covers all plastic types or only specific applications in manufacturing

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

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