# LegalLimit.com

> Reference material for US state DUI and BAC laws: BAC limits, penalties by offense, license actions, and implied consent rules, each cited to the primary statute. Not legal advice — see the Disclaimer under Legal pages.

## Site

- [LegalLimit.com (home)](https://www.legallimit.com): What LegalLimit.com is — a primary-source reference for US state DUI and BAC law — and its two entry points: the state comparison hub and the verification method.
- [DUI Laws by State (2026): BAC Limits & Penalties](https://www.legallimit.com/dui-laws-by-state): State-by-state comparison table of BAC limits, first-offense jail and fines, license suspension, and interlock rules (CSV/JSON download), linking to every individual state page.
- [DUI vs DWI: What Each State Calls Impaired Driving](https://www.legallimit.com/dui-vs-dwi): Explainer on the DUI / DWI / OWI / OUI / OVI acronyms: they name the same impaired-driving offense, and the table shows which term each state uses and the statute that defines it.

### Individual states

- [Alabama DUI laws](https://www.legallimit.com/states/alabama): Alabama DUI laws (§32-5A-191): the 0.08% limit, first-to-fourth-offense penalties, the 0.15% enhancement, a 10-year lookback, and ignition interlock rules.
- [Alaska DUI laws](https://www.legallimit.com/states/alaska): Alaska DUI laws (AS 28.35.030): the 0.08% limit, the penalty ladder from first offense to felony, mandatory IID, implied consent, and refusal.
- [Arizona DUI laws](https://www.legallimit.com/states/arizona): Arizona DUI laws — the 0.08 limit, Extreme and Super Extreme BAC tiers, the 84-month lookback, Aggravated DUI felonies, refusal, and interlock rules.
- [Arkansas DWI laws](https://www.legallimit.com/states/arkansas): Arkansas DWI laws (Ark. Code § 5-65-103): 0.08% limit, 6-tier penalty ladder, mandatory IID, drug-only carve-out, refusal, and multi-window lookback.
- [California DUI laws](https://www.legallimit.com/states/california): California DUI laws, BAC limits, penalty tiers, implied consent, and aggravating factors — cited to the California Vehicle Code and DMV.
- [Colorado DUI laws](https://www.legallimit.com/states/colorado): Colorado DUI and DWAI laws — 0.08 BAC limit, felony DUI penalties, license revocation, interlock rules, and refusal consequences, cited to the C.R.S.
- [Connecticut DUI laws](https://www.legallimit.com/states/connecticut): Connecticut DUI laws (C.G.S. § 14-227a): the 0.08% limit, the penalty ladder, mandatory IID, two-track suspensions, and refusal.
- [Delaware DUI laws](https://www.legallimit.com/states/delaware): Delaware DUI laws (21 Del. C. § 4177): the 0.08% limit, the 7-tier felony ladder, the .15/.20 BAC tiers, mandatory IID, the lifetime lookback, and refusal.
- [District of Columbia DUI laws](https://www.legallimit.com/states/district-of-columbia): DC DUI laws (D.C. Code § 50-2206.11): the 0.08% limit, the misdemeanor penalty ladder, BAC-tier mandatory minimums, mandatory IID, refusal, and the OWI offense.
- [Florida DUI laws](https://www.legallimit.com/states/florida): Florida DUI limits, penalties, refusal rules, license suspensions, IID rules, hardship licenses, and cited statutes.
- [Georgia DUI laws](https://www.legallimit.com/states/georgia): Georgia DUI laws — 0.08 BAC, dual 10y criminal / 5y license-action windows, IID-LDP regime, Elliott breath-refusal bar, First Offender non-application.
- [Hawaii DUI laws](https://www.legallimit.com/states/hawaii): Hawaii OVUII/DUI laws (HRS § 291E-61): the 0.08% limit, the misdemeanor ladder, habitual-OVUII felony, .15 enhancements, IID, refusal, and the 2028 sunset.
- [Idaho DUI laws](https://www.legallimit.com/states/idaho): Idaho DUI laws (Idaho Code § 18-8004): the 0.08% limit, the 3-tier ladder (felony at 3rd), CMV 0.04, mandatory IID, refusal, and prior-felony enhancement.
- [Illinois DUI laws](https://www.legallimit.com/states/illinois): Illinois DUI laws — 0.08 BAC, lifetime criminal lookback × 20-year reinstatement × 5-year SSS, 12-factor Aggravated DUI, lifetime ban at 4th DUI.
- [Indiana OWI laws](https://www.legallimit.com/states/indiana): Indiana OWI laws: the 0.08 and 0.15 limits, the 7-year felony prior, discretionary license suspension, refusal penalties, and ignition interlock rules.
- [Iowa OWI laws](https://www.legallimit.com/states/iowa): Iowa OWI laws (Iowa Code § 321J.2): the 0.08% limit, the 3-tier ladder (felony at 3rd), any-amount drug per se, conditional IID, 12-year lookback, and refusal.
- [Kansas DUI laws](https://www.legallimit.com/states/kansas): Kansas DUI laws: the 0.08 limit, first-to-fourth-offense penalties, felony DUI grid sentencing, the July 2001 prior-counting rule, and interlock requirements.
- [Kentucky DUI laws](https://www.legallimit.com/states/kentucky): Kentucky DUI laws: the 0.08% limit, first-to-fourth-offense penalties (felony 4th), the $425 service fee, license suspensions, and refusal consequences.
- [Louisiana OWI laws](https://www.legallimit.com/states/louisiana): Louisiana DWI ("operating while impaired") laws: the 0.08% limit, first-to-fourth-offense penalties (felony 3rd/4th), and the 10-year cleansing period.
- [Maine OUI laws](https://www.legallimit.com/states/maine): Maine OUI laws (§ 2411): the 0.08% limit, the penalty ladder (felony at 3rd), refusal admissible at trial, .15 enhancement, and lifetime felony lookback.
- [Maryland DUI laws](https://www.legallimit.com/states/maryland): Maryland DUI and DWI laws — 0.08 BAC limit, penalties by offense, license and interlock rules, PBJ, and refusal consequences, cited to the Md. Code.
- [Massachusetts OUI laws](https://www.legallimit.com/states/massachusetts): Massachusetts OUI laws — 0.08 BAC, lifetime lookback, §24D first-offender program, Melanie's Law mandatory IID, and the refusal-not-admissible rule.
- [Michigan OWI laws](https://www.legallimit.com/states/michigan): Michigan OWI laws — the 0.08 limit, the 0.17 High BAC tier, the lifetime third-offense felony, license suspension vs revocation, refusal, and interlock rules.
- [Minnesota DWI laws](https://www.legallimit.com/states/minnesota): Minnesota DWI laws: 0.08 BAC limit, four-degree penalty ladder, license revocation and ignition interlock rules, whiskey plates, and test-refusal penalties.
- [Mississippi DUI laws](https://www.legallimit.com/states/mississippi): Mississippi DUI laws (§ 63-11-30): the 0.08% limit, the penalty ladder (felony at 3rd), CMV 0.04, under-21 0.02, IID, child endangerment, and lifetime lookback.
- [Missouri DWI laws](https://www.legallimit.com/states/missouri): Missouri DWI laws — 0.08 BAC limit, penalties by offense, license suspension and denial rules, ignition interlock, and refusal consequences, cited to RSMo.
- [Montana DUI laws](https://www.legallimit.com/states/montana): Montana DUI laws (§ 61-8-1002): the 0.08% limit, THC per se 5 ng/ml, drug table, the penalty ladder (felony at 4th+), passenger-under-16, and lifetime lookback.
- [Nebraska DUI laws](https://www.legallimit.com/states/nebraska): Nebraska DUI laws (§ 60-6,196): the 0.08% limit, 10-tier penalty matrix (felony at 3rd), 15-year lookback, IID permits, refusal crime, under-21 0.02.
- [Nevada DUI laws](https://www.legallimit.com/states/nevada): Nevada DUI laws (NRS 484C.110): 0.08% limit, 7-year lookback, felony at 3rd, IID permits, refusal revocation, under-21 0.02, drug per se table.
- [New Hampshire DWI laws](https://www.legallimit.com/states/new-hampshire): NH DWI laws (RSA 265-A): 0.08% limit, aggravated DWI at 0.16, 10-yr lookback, felony at 4th, IID for aggravated DWI, under-21 0.02, refusal 180-day suspension.
- [New Jersey DWI laws](https://www.legallimit.com/states/new-jersey): New Jersey DWI laws: the 0.08 limit, the 2019 ignition-interlock reform, first-offense BAC bands, refusal as a separate offense, and the 10-year step-down.
- [New Mexico DWI laws](https://www.legallimit.com/states/new-mexico): NM DWI laws (§ 66-8-102): 0.08% limit, aggravated at 0.16, lifetime lookback, felony at 4th, mandatory IID (life at 4th+), CMV 0.04, refusal aggravates.
- [New York DWI laws](https://www.legallimit.com/states/new-york): New York DWI, DWAI, aggravated DWI, Zero Tolerance, refusal, IID, and license consequences with primary-source citations.
- [North Carolina DWI laws](https://www.legallimit.com/states/north-carolina): North Carolina DWI laws — the 0.08 limit, the six-level §20-179 grid, grossly aggravating factors, the habitual felony, refusal, and interlock rules.
- [North Dakota DUI laws](https://www.legallimit.com/states/north-dakota): ND DUI laws (§ 39-08-01): 0.08% limit, aggravated at 0.16, refusal is a crime, felony at 4th (15-yr window), 24/7 sobriety program, under-21 0.02, CMV 0.04.
- [Ohio OVI laws](https://www.legallimit.com/states/ohio): Ohio OVI laws — BAC limits, the 0.17 High-Test tier, penalty tiers, ALS vs. court suspension, and Annie's Law IID, cited to Ohio Revised Code and BMV.
- [Oklahoma DUI laws](https://www.legallimit.com/states/oklahoma): Oklahoma DUI laws: the 0.08% limit, felony second offense, aggravated DUI at 0.15%, IDAP interlock license rules, and refusal consequences.
- [Oregon DUI laws](https://www.legallimit.com/states/oregon): Oregon DUII laws: the 0.08% limit, diversion program, felony DUII after two priors, permanent revocation at a third offense, and refusal consequences.
- [Pennsylvania DUI laws](https://www.legallimit.com/states/pennsylvania): Pennsylvania DUI laws — three BAC tiers, the 10-year lookback, ARD diversion, refusal consequences, the felony triggers, and ignition interlock rules.
- [Rhode Island DUI laws](https://www.legallimit.com/states/rhode-island): RI DUI laws (§ 31-27-2): 0.08% limit, enhanced at 0.15, 10-yr lookback, felony at 3rd, IID to reduce suspensions, refusal civil-then-misdemeanor, death 5-15yr.
- [South Carolina DUI laws](https://www.legallimit.com/states/south-carolina): South Carolina DUI and DUAC laws: the 0.08% limit, BAC-tiered penalties, the 10-year lookback, all-offender ignition interlock, and felony DUI. Reviewed 2026.
- [South Dakota DUI laws](https://www.legallimit.com/states/south-dakota): SD DUI laws (§ 32-23-1): 0.08% limit, felony at 3rd, 10-yr lookback (25-yr at 6th), 24/7 sobriety program, IID at 5th+ parole, vehicular homicide.
- [Tennessee DUI laws](https://www.legallimit.com/states/tennessee): Tennessee DUI laws: the 0.08 limit, 0.15 enhanced jail rule, 10-year lookback, civil refusal revocation, license loss, and ignition interlock rules.
- [Texas DWI laws](https://www.legallimit.com/states/texas): Texas DWI limits, penalties, ALR deadlines, refusal rules, IID requirements, deferred adjudication, and cited statutes.
- [Utah DUI laws](https://www.legallimit.com/states/utah): Utah DUI laws, the 0.05 BAC per se limit, penalty tiers, implied consent, and aggravating factors — cited to the Utah Code and the Driver License Division.
- [Vermont DUI laws](https://www.legallimit.com/states/vermont): VT DUI laws (§ 1201): 0.08% limit, enhanced at 0.16, asymmetric lookback, criminal refusal for priors, death 1-15yr, serious injury ≤15yr, CMV 0.04.
- [Virginia DUI laws](https://www.legallimit.com/states/virginia): Virginia DUI laws - the 0.08 limit, 0.15 and >0.20 high-BAC penalties, 10-year lookback, refusal, VASAP, license revocation, and ignition interlock rules.
- [Washington DUI laws](https://www.legallimit.com/states/washington): Washington DUI laws: 0.08 and 5.00 ng THC limits, the 0.15 high-BAC band, 7- and 15-year lookbacks, refusal, license loss, and ignition interlock rules.
- [West Virginia DUI laws](https://www.legallimit.com/states/west-virginia): WV DUI laws (§ 17C-5-2): 0.08% limit, 10-yr lookback, felony at 3rd, Baylea's Law aggravated death 5-30yr, baseline death 3-15yr, Test and Lock IID.
- [Wisconsin OWI laws](https://www.legallimit.com/states/wisconsin): Wisconsin OWI laws — civil-forfeiture first offense, 10-year vs. lifetime lookback, 0.02 BAC for repeat drivers, and IID triggers, cited to Wis. Stats.
- [Wyoming DUI laws](https://www.legallimit.com/states/wyoming): WY DUI laws (§ 31-5-233): 0.08% limit, felony at 4th, 10-yr lookback, mandatory IID (2nd+), LIFE IID at 4th+, serious injury ≤10yr, under-21 0.02.

### Statute sections

- [California Vehicle Code § 23578 (California)](https://www.legallimit.com/statutes/california/vehicle-code-23578): Sentencing factors for a DUI conviction with a blood alcohol of 0.15 percent or more or a refused breath or urine test.
- [California Vehicle Code § 23582 (California)](https://www.legallimit.com/statutes/california/vehicle-code-23582): A consecutive 60-day jail enhancement for DUI with reckless driving at 20 or 30 mph or more over the speed limit.
- [Connecticut General Statutes § 14-227a (Connecticut)](https://www.legallimit.com/statutes/connecticut/general-statutes-14-227a): Connecticut's DUI offense (0.08% BAC; 0.04% commercial) and the penalties for first, second and later convictions.
- [Florida Statutes § 316.193 (Florida)](https://www.legallimit.com/statutes/florida/fla-stat-316-193): Florida's DUI offense — impairment or a 0.08 level — its fine, jail and interlock tiers, injury felonies and DUI manslaughter.
- [Kentucky Revised Statutes § 189A.010 (Kentucky)](https://www.legallimit.com/statutes/kentucky/krs-189a-010): Kentucky's DUI offense (0.08 BAC; 0.02 under 21), tiered penalties within ten years, and aggravating circumstances.
- [Me. Rev. Stat. tit. 29-A, § 2411 (Maine)](https://www.legallimit.com/statutes/maine/title-29-a-2411): Maine's criminal OUI: under the influence or 0.08+, 10-year prior ladder, refusal bumps, injury/death felonies.
- [Massachusetts General Laws c. 90, § 24D (Massachusetts)](https://www.legallimit.com/statutes/massachusetts/chapter-90-section-24d): First-offender OUI disposition: probation, a driver alcohol education program, and a 45–90 day license loss.
- [Virginia Code § 18.2-266 (Virginia)](https://www.legallimit.com/statutes/virginia/code-18-2-266): Virginia's DUI offense: driving with a BAC of 0.08 or more, under the influence of alcohol or drugs, or with listed drug levels.
- [Virginia Code § 18.2-270 (Virginia)](https://www.legallimit.com/statutes/virginia/code-18-2-270): Penalties for a Virginia DUI conviction under § 18.2-266: mandatory minimum fines and jail by offense count, BAC level, and priors.
- [Wisconsin Statutes § 346.65 (Wisconsin)](https://www.legallimit.com/statutes/wisconsin/wis-stat-346-65): Penalties for OWI and the other §§ 346.62–346.64 offenses: the forfeiture, fine, jail and felony tiers, and how priors count.

## About and trust

- [About](https://www.legallimit.com/about): Who publishes LegalLimit.com: an independent reference authored by a single editor under a multi-pass editorial review process.
- [How We Verify Every Fact](https://www.legallimit.com/how-we-verify): Verification methodology and sourcing standards: every numeric fact is checked against the primary state statute and human-reviewed before publishing.
- [Contact](https://www.legallimit.com/contact): How to reach the editor with corrections, factual feedback, or questions about the reference content.

## Legal pages

- [Disclaimer](https://www.legallimit.com/disclaimer): Legal disclaimer and scope of site content: reference information, not legal advice; no attorney-client relationship is formed.
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## About

LegalLimit.com publishes structured reference information about US state DUI laws. All content includes citations to primary sources (state statutes, regulations, agency guidance).