South Dakota DUI Laws
South Dakota DUI Defense
What you're facing, what the deadlines are, and the questions your attorney needs to answer — specific to South Dakota (SD) law.
BAC Limit
0.08
Enhanced BAC
0.17
Higher penalties above this
Lookback Period
10 years
Prior offenses count within
First Offense Penalties in South Dakota
Implied Consent & Test Refusal
Like all 50 states, South Dakota has an implied consent law — by driving on South Dakota roads, you've already agreed to submit to a chemical test (breath, blood, or urine) if an officer has probable cause to believe you're impaired.
Refusal Penalty
1-year license revocation
South Dakota-Specific Detail
South Dakota's 24/7 Sobriety Program, which requires twice-daily alcohol testing, has been studied as a national model for reducing repeat DUI offenses.
Is your South Dakota DUI defense on track?
The Defense Milestone Score checks 10 critical defense behaviors specific to DUI cases. Takes 2 minutes. Instant results.
Take the Free Defense ScoreDUI Defense Playbook — $97
26 questions your DUI attorney hopes you never ask, a case stage roadmap, red flag checklist, and a case progress scorecard. Instant PDF download — calibrated for South Dakota DUI defendants.
Important: This page provides general legal information about South Dakota DUI laws as of the date of publication. Laws change frequently. This is not legal advice. Consult a South Dakota-licensed attorney for guidance specific to your case.