A second OWI in Iowa is generally classified as a aggravated misdemeanor.
Jail: 7 days – 2 years; mandatory min 7 days
Fine: $1,875–$6,250
License suspension: 1 year (test failure) / 2 years (refusal) – 2 years; hardship: IID restricted license
Ignition interlock: Required
Lookback period: 12 years. 12-year lookback — longer than most states; deferred judgments AND convictions both count as priors. Third within 12 = Class D felony.
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