Iowa OWI (operating while intoxicated
Iowa's OWI law states that it is unlawful to operate a motor vehicle in Iowa:
- While under the influence of an alcoholic beverage or other drug or a combination of such substances.
- While having an alcohol concentration of .08 or more.
- While having any amount of a controlled substance in one’s body.
Iowa’s implied consent law means that any person who operates a motor vehicle in the state agrees to have a blood, breath and/or urine test performed to determine alcohol level or presence of drugs, whenever a peace officer has reasonable grounds to believe the person is operating under the influence.