Boating While Intoxicated

Person in handcuffs; law enforcement vessel in the background

Missouri law prohibits anyone from boating while intoxicated (BWI)—that is, operating a vessel while intoxicated due to alcohol or any combination of alcohol, controlled substances, or drugs. Alcohol and drugs cause impaired balance, blurred vision, poor coordination, impaired judgment, and slower reaction times. Alcohol is a major contributor to boating accidents and fatalities.

Missouri's blood alcohol concentration (BAC) for BWI has been lowered from 0.10% to 0.08%.

Missouri law states that it is evidence of intoxication if a person has a concentration of alcohol in his or her blood of 0.08% or more, based upon a chemical analysis of breath, blood, or saliva.

Unit 4 of 6
Topic 4 of 19
Page 2 of 5

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