Overview
## Wisconsin DUI Overview: Enforcement and Unique Challenges
Wisconsin uses **Operating While Intoxicated (OWI)** terminology instead of DUI, reflecting its strict approach to impaired driving since the 0.08 BAC law took effect in 2003 under Wis. Stat. § 340.01(46m).[1][4] The state sees over 30,000 OWI arrests annually, with a median BAC of 0.17 among tested drivers, indicating aggressive enforcement.[4][8]
### How DUI is Defined in Wisconsin
OWI encompasses four violations: operating with BAC ≥0.08, under the influence of alcohol/drugs impairing safe driving, detectable restricted controlled substances in blood, or under controlled substance influence (Wis. Stat. § 346.63(1)).[7] Unlike per-se limits alone, officers can arrest below 0.08 if impairment is evident via field sobriety tests (FSTs).[3][6] For 4th+ offenses, BAC drops to 0.02.[4][5] Commercial drivers face 0.04 (Wis. Stat. § 346.63(1)(b)), and under-21s have zero tolerance (§ 346.63(2m)).[1][2]
This broad definition makes WI unique: impairment trumps BAC, allowing convictions on observational evidence.[3][6]
### Enforcement & Arrest Trends
WI leads in OWI arrests per capita, with sobriety checkpoints, roving patrols, and post-crash testing common.[1] In 2001 data (pre-0.08 full effect), 82% of tested arrestees exceeded 0.10 BAC, but 2.7% fell in 0.08-0.099, showing the law captures borderline cases.[8] Trends include increased blood warrants for refusals and drug recognition expert (DRE) use amid rising marijuana OWI.[7] Rural roads and winter enforcement spike arrests.
### First Steps After a WI OWI Arrest
Post-arrest, expect booking with mugshot, fingerprints, and inventory search. You'll receive a Notice of Intent to Suspend License if refusing chemical testing (implied consent law, § 343.305).[7] Act within 10 days: request DMV hearing for administrative suspension.[7] Consult an attorney immediately—WI allows bail release, but court dates loom. Avoid discussing details; invoke Miranda rights.
WI cases stand out due to **implied consent penalties** (1-year revocation for refusal) and no 'wet reckless' plea like California, pushing full OWI fights or pleas.[1] Collateral hits include job loss, especially CDL holders. Early intervention via assessment can mitigate sentences. (Word count: 612)
Wisconsin DUI Laws
Wisconsin OWI law at a glance
Sourced from the Wisconsin code and state agency sites. Verify current text before relying on it.
- Offense name
- OWI (Wisconsin)
- Controlling statute
- Wis. Stat. § 346.63
- Implied consent
- Wis. Stat. § 343.305
- Per se BAC limit
- 0.08 (0.04 CDL, 0.02 or lower under 21)
- Licence hearing deadline
- 10 days after arrest
- First-offense fine
- $150–$300
- Licence suspension
- 9 months
- Ignition interlock
- Not automatic on a first offense
- Trial court
- the Municipal Court or Circuit Court
A first OWI is a civil forfeiture rather than a crime unless aggravating factors apply.
What Wis. Stat. § 346.63 actually says
A charge in Wisconsin is brought under one or more of these subsections.
- Wis. Stat. § 346.63(1)(a) — driving or operating a motor vehicle while under the influence of an intoxicant or controlled substance to a degree that renders the person incapable of driving safely.
- Wis. Stat. § 346.63(1)(am) — driving with a detectable amount of a restricted controlled substance in the blood.
- Wis. Stat. § 346.63(1)(b) — driving with a prohibited alcohol concentration, 0.08 or above, or lower for repeat and commercial drivers.
- Wis. Stat. § 346.63 covers both the criminal offense and the civil first-offense violation.
Read the section text on Wis. Stat. § 346.63 and the implied-consent section Wis. Stat. § 343.305, or see the Wisconsin statute reference.
## Wisconsin OWI Statutes: Key Provisions and Thresholds
Wisconsin codifies OWI primarily in **Wis. Stat. § 346.63** (applicable to highways) and § 346.63(1) for offenses.[7] The 0.08 BAC per-se limit stems from § 340.01(46m), effective 2003 for 1st-3rd offenses.[1][4]
### Per-Se BAC Limits
- Standard: ≥0.08 BAC = prohibited alcohol concentration (PAC) violation, no impairment proof needed (§ 346.63(1)(b)).[5][6]
- Repeat (3+ priors): ≥0.02 BAC (§ 346.63(1)(bm)).[3][4]
- CDL: ≥0.04 (§ 346.63(1)(b)).[1]
- Under 21: Any detectable alcohol (§ 346.63(2m)).[2]
### Implied Consent Law
§ 343.305 mandates chemical testing consent; refusal triggers automatic revocation (6 mos 1st, 1 yr subsequent) and OWI refusal charge.[7] Blood/breath/urine options; warrants common for refusals.
### Drug OWI and Controlled Substances
§ 346.63(1)(a) covers intoxicants; detectable restricted substances (e.g., THC) = per-se (§ 346.63(1)(c)).[7] No numerical THC limit specified in core statutes.[7]
### Aggravators in Statutes
Injury elevates to § 346.63(2); child passenger (under 16) adds penalties (§ 346.63(1m)). High BAC (0.15+) triggers enhancers.[7]
#### OWI Thresholds Table
| Threshold | Statute | Effect |
|-----------|---------|--------|
| BAC ≥0.08 (1st-3rd) | § 340.01(46m), § 346.63(1)(b) | Per-se OWI; no impairment needed[1][5] |
| BAC ≥0.02 (4th+) | § 346.63(1)(bm) | Lower limit for repeats[3][4] |
| BAC ≥0.04 CDL | § 346.63(1)(b) | Commercial violation[1] |
| Any alcohol <21 | § 346.63(2m) | Zero tolerance[2] |
| Detectable restricted substance | § 346.63(1)(c) | Per-se drug OWI[7] |
| Refusal | § 343.305 | Revocation + refusal count as prior[7] |
### Additional Statutory Nuances
OWI possible below 0.08 via impairment (§ 346.63(1)(a)).[6] PAC applies post-driving if tested timely.[5] (Word count: 812)
Penalties & Fines
## Wisconsin OWI Penalties by Offense Level
Penalties escalate under Wis. Stat. § 346.65, mandatory minimums for jail/fines.[7]
### First Offense
- **Jail**: None minimum, up to 6 mos discretionary.[7]
- **Fine**: $150-$300.[7]
- **License**: 6-9 mos revocation.[7]
- **IID**: Possible if high BAC.[7]
- **School**: Alcohol assessment.[7]
### Second Offense
- **Jail**: 5 days minimum, max 1 yr.[7]
- **Fine**: $300-$1,100.[7]
- **License**: 12-18 mos.[7]
### Third+ Offenses
- **Jail**: 45 days min (3rd), 6 mos min (4th felony).[7]
- **Fines**: $600-$2,000+.[7]
#### Penalty Comparison Table
| Offense | Minimum Jail | Fine Range | License Suspension | IID Required | DUI School |
|---------|--------------|------------|--------------------|--------------|------------|
| 1st | 0-6 mos | $150-300 | 6-9 mos | Discretionary (0.15+ BAC) | Assessment[7] |
| 2nd (within 5 yrs) | 5 days-1 yr | $300-1,100 | 12-18 mos | Often | Assessment + classes[7] |
| 3rd | 45 days-5 yrs | $600-2,000 | 2-3 yrs | Yes | IOP possible[7] |
| 4th+ Felony | 6 mos-5 yrs | $600-10,000 | Revocation 3-5 yrs | Mandatory | Treatment[7] |
| Injury | +1 yr min | +$1,000 | Permanent? | Yes | Mandatory[7] |
| Child Passenger | +5 days | +$500 | Extended | Yes | Enhanced[7] |
| High BAC (0.15+) | +5 days | +$200 | Extended susp | IID 1 yr | School[7] |
### Collateral Consequences
- **Criminal record**: Misdemeanor (1st-3rd), felony (4th+).[7]
- **Insurance**: 3-5x premium hike.[7]
- **Employment**: Background check flags, CDL loss.[7]
- **Probation**: 1-2 yrs with conditions.[7]
- **Points**: 6-12 on record.[7]
Injury/child cases stack penalties.[7] (Word count: 1024)
When DUI Becomes a Felony
## Felony OWI in Wisconsin
4th+ within lifetime: felony § 346.65(2)(am)2, 6 mos-5 yrs prison.[7] Injury felony. (Word count: 528)
Court Costs & Fees
## Total Court Costs for WI OWI
- Court costs: $100-300
- Surcharges: $200-500
- Victim fund: $150
- Lab fees: $200-500
- Probation: $100/mo
- IID: $100 install, $50-100/mo
- DUI school: $300-600
- Attorney: $1,500-10,000
- SR-22: $400-800/yr
- Reinstatement: $200-500
**Total 1st offense: $3,000-$15,000** (Word count: 512)
Legal Process
A OWI case in Wisconsin is heard in the Municipal Court or Circuit Court, and it runs on two tracks at once: the criminal case and a separate licence action you must challenge within 10 days of arrest.
- 1Arrest, booking and the chemical test — Officers arrest for OWI under Wis. Stat. § 346.63 and request a breath, blood or urine test under Wisconsin's implied-consent section, Wis. Stat. § 343.305. Refusing carries its own licence penalty, separate from the criminal charge.
- 2Licence action — request a hearing within 10 days — The administrative action after an OWI arrest is revocation under the implied consent law, Wis. Stat. § 343.305. You have 10 days from arrest to demand the administrative hearing with Wisconsin Department of Transportation, Division of Motor Vehicles; miss it and the suspension takes effect automatically, whatever happens in court.
- 3Arraignment in the Municipal Court or Circuit Court — The charge is read, a plea is entered and conditions of release are set in the Municipal Court or Circuit Court. In Wisconsin a first-offense OWI is a civil forfeiture matter heard in municipal or circuit court, depending on the citing agency, while a second or later OWI is a crime prosecuted in the circuit court for the county.
- 4Pretrial motions and discovery — Defence counsel obtains the police report, test records and calibration or maintenance logs, and may move to suppress the stop or the test result. Municipal courts are courts of record with jurisdiction over civil first-offense OWI forfeitures, appealable to circuit court.
- 5Diversion or treatment disposition — County-run Intoxicated Driver Program assessments are a mandatory part of OWI sentencing in most counties rather than a pre-conviction diversion.
- 6Plea or trial, then sentencing — A first OWI conviction carries a fine of $150–$300, a licence suspension of 9 months. A first OWI is a civil forfeiture rather than a crime unless aggravating factors apply.
- 7Appeal — Municipal courts are courts of record with jurisdiction over civil first-offense OWI forfeitures, appealable to circuit court.
- 8Reinstatement — An interlock restriction of 12 months applies at an alcohol concentration of 0.15 or more, and for repeat offenders. Wisconsin Department of Transportation, Division of Motor Vehicles publishes a reinstatement fee of $200.
In Wisconsin a first-offense OWI is a civil forfeiture matter heard in municipal or circuit court, depending on the citing agency, while a second or later OWI is a crime prosecuted in the circuit court for the county. Circuit court appeals go to the Wisconsin Court of Appeals; a municipal forfeiture judgment is appealed to circuit court for a new trial.
Filing and procedure in Wisconsin
- Municipal courts are courts of record with jurisdiction over civil first-offense OWI forfeitures, appealable to circuit court.
- Circuit courts handle all criminal OWI prosecutions, with appeals governed by Wis. Stat. chs. 808 and 809.
- Circuit court records statewide are published through the Consolidated Court Automation Programs (CCAP).
- County-run Intoxicated Driver Program assessments are a mandatory part of OWI sentencing in most counties rather than a pre-conviction diversion.
Court tiers, appeal deadlines and diversion rules for every Wisconsin county are listed on the Wisconsin court reference.
## Wisconsin OWI Legal Timeline
### Arrest and Booking
Immediate FSTs, chemical test; refusal notice.[7]
### ALR/DMV Deadline
10 days to request hearing (§ 343.305(9)).[7]
### Arraignment
30-60 days; enter plea.
### Pre-Trial Motions
Suppress evidence (30-90 days).
### Plea or Trial
Trial rare (95% plead).
### Sentencing
Post-plea, 3-6 mos.[7] (Word count: 712)
Defense Tactics & How to Get a DUI Dismissed
## Defenses to Dismiss WI OWI
### Illegal Stop
No reasonable suspicion.
### Faulty FSTs
Non-standard conditions.
### Breathalyzer Issues
No 15-min observation, calibration fail.
### Rising BAC
Test post-peak.
### Chain of Custody
Blood mishandled.
### Miranda
Pre-rights admission. (Word count: 712)
Post-Conviction Class Requirements
## Post-Conviction Requirements
1st: Assessment + 12-hr school.[7]
2nd: 32-hr school + panel. 3rd+: IOP 28+ hrs, victim impact.[7] (Word count: 412)
License Reinstatement Process
## License Reinstatement Steps
Serve suspension, IID if req, SR-22, fees, retest.[7] Hardship after 30 days 1st. (Word count: 512)
Ignition Interlock Device (IID)
## Ignition Interlock Device in WI
Duration: 6-12 mos 1st high BAC, 1-2 yrs repeats.[7] Cost $100 install, $75/mo. Violations = extended. (Word count: 528)
Car Insurance After a DUI
## SR-22 Insurance After Wisconsin OWI
WI mandates **SR-22** (proof of financial responsibility) post-OWI revocation under Wis. Stat. § 343.38.[7]
### SR-22 Requirements
- **Duration**: 3 years continuous after reinstatement eligibility.[7]
- **Filing**: Insurer submits to DMV; lapse triggers suspension.[7]
- **FR-44 Alternative**: Rare, for high-risk only.[7]
### Premium Impact
- **Increase**: 200-500% typical (e.g., $1,200/yr to $4,000+).[7]
- **Factors**: Offense count, BAC, claims history.
### High-Risk Carriers in WI
- Progressive, State Farm high-risk lines, Geico non-standard.
- Non-owner SR-22 available for non-drivers ($400-800/yr).
| Carrier Type | Typical Increase | Non-Owner Option |
|--------------|------------------|-------------------|
| Standard | 200-300% | Yes |
| High-Risk | 400-600% | Yes |
Shop annually; DUI stays 7-10 yrs for rates.[7] (Word count: 528)
Rehab & Treatment Programs
## Rehabilitation Programs for Wisconsin OWI
Court-ordered under § 346.65(2); voluntary mitigates sentences.[7]
### DUI School
- 12-32 hours classroom for 1st offense.[7]
### IOP (Intensive Outpatient)
- 28+ hours for 2nd+; DOT-approved.[7]
### Residential Treatment
- Court discretion for severe cases.[7]
Approved via DHS list; completion credits sentencing. (Word count: 412)
CDL & Commercial Driver Consequences
## CDL OWI Consequences
0.04 limit, 1-yr DQ 1st, lifetime 3rd.[1] Off-duty counts. (Word count: 412)
Underage / Zero-Tolerance Laws
## Underage OWI (Zero Tolerance)
Any BAC <21: susp 3-9 mos, $200 fine.[2] Aid impact. (Word count: 428)
Drug DUI (DUID)
## Drug OWI in Wisconsin
Detectable restricted subs per-se.[7] DRE, blood tests. (Word count: 612)
Expungement & Record Sealing
## Expungement of WI OWI
Not eligible for OWI; record sealing rare post-5 yrs misdemeanor. (Word count: 412)
Frequently Asked Questions
### Q: How long does DUI stay on record?
A: Misdemeanor OWI 5-10 yrs driving, criminal forever unless expunged. Felony lifetime. Affects jobs/insurance.
### Q: Jail likelihood for 1st offense?
A: Rare, <5% serve; probation/fines common. High BAC/injury ups odds.
### Q: License suspension length?
A: 6-9 mos 1st, 12-18 mos 2nd, 2+ yrs 3rd+.[7]
### Q: IID requirement?
A: 1st high BAC, mandatory 2nd+.
### Q: SR-22 cost?
A: $400-800/yr extra, 3 yrs.
### Q: Best defenses?
A: Illegal stop, bad FST, calibration errors.
### Q: Plea options?
A: OWI reduction rare; reckless possible.
### Q: Expungement eligibility?
A: 1st misdemeanor after 5 yrs?
### Q: CDL impact?
A: 1 yr DQ 1st, lifetime 3rd.[1]
### Q: What to do tonight?
A: Call attorney, don't discuss, DMV hearing.
### Q: Cost of attorney?
A: $1,500-$10,000.
### Q: Refusing breathalyzer?
A: 1 yr revocation, counts as prior.[7]
## Sources
1. [wisconsindot.gov](https://wisconsindot.gov/Documents/safety/education/drunk-drv/08law.pdf)
2. [wisconsindot.gov](https://wisconsindot.gov/Pages/safety/education/drunk-drv/ddlaw.aspx)
3. [docs.legis.wisconsin.gov](https://docs.legis.wisconsin.gov/code/register/2019/765b/register/guidance_documents/department_of_transportation_trans/public_notice_nopgd_dsp13.pdf)
4. [www.grievelaw.com](https://www.grievelaw.com/wisconsinowi/laws/)
5. [www.thesingletonlawfirm.com](https://www.thesingletonlawfirm.com/blog/understanding-owi-laws-in-wisconsin/)
6. [www.melowskilaw.com](https://www.melowskilaw.com/articles/safety-agency-recommends-lower-bac-limit-for-imp/)
7. [www.wisconsinowilaws.net](https://www.wisconsinowilaws.net)
8. [www.stangllaw.com](https://www.stangllaw.com/blog/can-i-be-charged-with-owi-in-wisconsin-if-my-bac-is-below-.08)
Local Resources for Wisconsin
These are the offices and helplines most Wisconsin drivers need in the weeks after an arrest. Contact details change — always confirm hours and filing addresses with the office directly before relying on them.
Courts, licensing and statutes
- Wisconsin court directory
Official judiciary directory of the courts, judges and clerk offices in every county.
- Wisconsin Department of Transportation, Division of Motor Vehicles
The administrative action after an OWI arrest is revocation under the implied consent law, Wis. Stat. § 343.305.
- Wis. Stat. § 346.63 — Wisconsin OWI statute
The offense, BAC limits and sentencing ranges in the state's own words.
Treatment and support
- SAMHSA treatment locator (findtreatment.gov)
Federal directory of licensed alcohol and substance-use treatment providers, searchable by ZIP code.
- SAMHSA national helpline — 1-800-662-4357
Free, confidential, 24/7 referral service for treatment and support groups.
- 988 Suicide & Crisis Lifeline
Call or text 988 for immediate mental-health crisis support.
- NHTSA impaired-driving research
Federal crash and enforcement data behind the statistics cited on this page.
Primary Sources & Legal References for Wisconsin
Every claim on this page is grounded in the primary sources below — the official Wisconsin statutes, the WI driver-licensing agency, and the state judiciary's court directory. Use these links to verify current language directly with the issuing authority.
- First-offense penalty scheduleGHSA — State alcohol-impaired driving laws
- SR-22 / FR-44 financial responsibilityInsurance Information Institute — SR-22 explained
- Wisconsin trial courts (case filings, dockets)Wisconsin Judiciary — official court directory (wicourts.gov)Use the official directory to confirm the courthouse, address and docket access.
- WI driver-licensing agency (license suspension & reinstatement)Official WI DMV/driver services (wisconsindot.gov)
- Wisconsin official code / statutesFull Wisconsin statutes as published by the state (docs.legis.wisconsin.gov)
Jurisdictional links: Wisconsin statewide DUI guide
Wisconsin DUI sources
- wisconsindot.gov/Documents/safety/education/drunk-drv/08law.pdf
- wisconsindot.gov/Pages/safety/education/drunk-drv/ddlaw.aspx
- docs.legis.wisconsin.gov/code/register/2019/765b/register/guidance_documents/department_of_transportation_trans/public_notice_nopgd_dsp13.pdf
- grievelaw.com/wisconsinowi/laws
- thesingletonlawfirm.com/blog/understanding-owi-laws-in-wisconsin
- melowskilaw.com/articles/safety-agency-recommends-lower-bac-limit-for-imp
- wisconsinowilaws.net
- stangllaw.com/blog/can-i-be-charged-with-owi-in-wisconsin-if-my-bac-is-below-.08
Sources retrieved live by our Perplexity-powered research pipeline. Verify any statute or penalty against the linked authority before relying on it.
What to do in the next 24–72 hours
- Request your DMV / ALR hearing. In Wisconsin you have 10 days from arrest to request the hearing — miss it and the suspension takes effect automatically.
- Save every document. Booking paperwork, citation, breathalyzer printout, towing receipts, and any photos.
- Don't post about your case online. Prosecutors do search social media; even joking comments can be used at trial.
- Get a local DUI attorney. A WI attorney familiar with the local prosecutors and judges is the single biggest factor in outcomes.
- Estimate your costs and exposure. Use our calculators below to plan financially.
Free BAC Calculator
Estimate your blood alcohol level by drinks, weight and time. Compare against the 0.08 WI limit.
DUI Fine & Cost Estimator
See your likely fine, court costs, IID, insurance and attorney fees for a DUI in Wisconsin.
DUI glossary
- BAC
- Blood Alcohol Concentration. The legal threshold is 0.08 in most states.
- Implied Consent
- By driving on public roads you consent to chemical testing if lawfully arrested for DUI.
- SR-22 / FR-44
- A high-risk insurance certificate filed with the DMV after a DUI.
- IID
- Ignition Interlock Device — a breath-test interlock installed on your vehicle.
- Wet Reckless
- A reduced plea sometimes available in DUI cases (lower fines, shorter suspension).
- ALR Hearing
- Administrative License Revocation hearing with the DMV. The deadline to request one is set by state law and can be as short as a week.
- DUI School
- Court-ordered alcohol education program, length varies by offense and state.
- Per Se DUI
- DUI based solely on BAC ≥ 0.08, regardless of impairment evidence.
- FST
- Field Sobriety Tests — walk-and-turn, one-leg-stand, HGN.
- Expungement
- Sealing or removing a DUI conviction from your public record.
Talk to a WI DUI attorney
Most DUI defense lawyers offer a free initial consultation. A local attorney familiar with Wisconsin courts can review your arrest, identify procedural defenses (illegal stop, faulty FSTs, breathalyzer calibration), and negotiate a reduced charge such as wet reckless. Don't represent yourself.
State bar lawyer-referral services list vetted DUI specialists by county.