A first DUI in Utah is generally classified as a Class B misdemeanor (Class A if injury/passenger under 16).
Jail: 48 hours (or 48 hrs community service / home confinement) – 6 months; mandatory min 48 hours OR equivalent
Fine: $1,310 (~$1,310 minimum with surcharges)
License suspension: 120 days (first) — 4-month draft/administrative – 120 days; hardship: IID-restricted license available
Ignition interlock: Required — IID 18 months for most convictions; longer/mandatory at 0.16+ and repeats; Utah's IID rules are strict.
Alternative disposition: Plea in abeyance possible for some first offenders; mandatory alcohol screening/assessment + education.
0.05 standard means far more drivers are chargeable than in 0.08 states.
Lookback period: 10 years. 10-year lookback for prior counting. Third within 10 years (or with certain aggravators/injury) = third-degree felony.
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