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Course Outline

Person in handcuffs; law enforcement vessel in the background

Idaho law prohibits anyone from operating or being in actual physical control of any vessel while under the influence of alcohol, drugs, or other intoxicating substances. 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.

Idaho law states that a person is considered to be “under the influence” if he or she:

  • Is 21 years of age or older and has a blood alcohol concentration of 0.08% or higher or...
  • Is under 21 years of age and has a blood alcohol concentration of 0.02% or higher.
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