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Maryland DUI / DWI Limits (2026)

Info: In Maryland the adult per se limit for DUI is 0.08% blood alcohol, 0.07% can support a DWI ("impaired") charge, and drivers under 21 are held to a zero-tolerance limit of 0.02%.

InfoVerified Aug 2, 2026

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In Maryland the adult per se limit for DUI is 0.08% blood alcohol, 0.07% can support a DWI ("impaired") charge, and drivers under 21 are held to a zero-tolerance limit of 0.02%.

Official source: mgaleg.maryland.gov →

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