306.112. 1. A person commits the crime of operating a vessel with excessive blood alcohol content if such person operates a vessel on the Mississippi River, Missouri River or the lakes of this state with eight-hundredths of one percent or more by weight of alcohol in such person's blood.
2. As used in this section, percent by weight of alcohol in the blood shall be based upon grams of alcohol per one hundred milliliters of blood and may be shown by chemical analysis of the person's blood, breath, urine, or saliva.
3. Operating a vessel with excessive blood alcohol content is a class B misdemeanor.