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South Dakota DUI / DWI Limits (2026)

Info: In South Dakota the per se limit for adults is 0.08% blood alcohol, and drivers under 21 are held to a zero-tolerance limit of 0.02%.

InfoVerified May 31, 2026

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Official source: sdlegislature.gov →

General legal information, not legal advice — verify important decisions with a licensed attorney.

DUI / DWI Limits in states bordering South Dakota

The same rule in each neighboring state LawLert has verified, from that state’s own official source.

IowaInfo
In Iowa the OWI limit for drivers 21 and older is 0.08% blood alcohol (Iowa Code 321J.2), and the limit for drivers under 21 is 0.02%.
Verified May 31, 2026 · Source: legis.iowa.gov · Full Iowa rule →
MinnesotaInfo
In Minnesota the adult per se limit for DWI is 0.08% blood alcohol, an aggravated or enhanced offense applies at 0.16% or higher, the under-21 zero-tolerance rule prohibits any consumption or measurable alcohol, and commercial drivers are limited to 0.04%.
Verified May 31, 2026 · Source: dps.mn.gov · Full Minnesota rule →
MontanaInfo
In Montana the adult DUI limit is 0.08% blood alcohol, with an aggravated offense at 0.16%, and drivers under 21 are held to a zero-tolerance limit of 0.02%.
Verified May 31, 2026 · Source: dojmt.gov · Full Montana rule →
NebraskaInfo
In Nebraska the adult DUI limit is 0.08% blood alcohol, and drivers under 21 are held to a zero-tolerance limit of 0.02%.
Verified May 31, 2026 · Source: nebraskalegislature.gov · Full Nebraska rule →
North DakotaInfo
In North Dakota a DUI is 0.08% blood alcohol or higher for adults 21 and older (per se), the limit for drivers under 21 is 0.02%, and commercial drivers are limited to 0.04.
Verified May 31, 2026 · Source: ndlegis.gov · Full North Dakota rule →
WyomingInfo
In Wyoming the per se limit for adults is 0.08% blood alcohol, and drivers under 21 are held to a zero-tolerance limit of 0.02%.
Verified May 31, 2026 · Source: wyoleg.gov · Full Wyoming rule →

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