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Environment

Montgomery County Bring Your Own Bag Law Now in Effect

Stewart Jan 14, 2026
Montgomery County's Bring Your Own Bag (BYOB) Law went into effect on January 1, 2026, requiring shoppers to bring reusable bags to retail stores. The law aims to reduce plastic bag pollution in waterways, parks, and public spaces and limit microplastic health impacts.
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Source: Councilmember Kate Stewart, “Keeping Up With Kate: New Year Edition”, received Jan 14, 2026.

Links in this alert

Montgomery County BYOB Law information
www.montgomerycountymd.gov

Key dates

2026-01-01
effective — BYOB Law takes effect across Montgomery County retail stores

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