In some states, the legal limit for BWI or BUI is significantly less than that for land-borne vehicles. For example, in the state of ....Maine...., if your BAC is 0.04 or higher, you can be arrested for BWI. Most states have limits of around 0.08, but some are as high as 0.10.
https://www.avvo.com/legal-guides/ugc/buiboating-under-the-influence
Failure to consent to testing is a separate offense and may result in suspension of vessel operating privileges for six months. Presumption of Guilt: A vessel operator whose tests show .08 of alcohol is presumed under the influence and his or her ability to operate a vessel is impaired.
https://www.avvo.com/legal-guides/ugc/buiboating-under-the-influence
A person convicted of boating under the influence also faces the suspension of his or her boating privileges. Typically, a person convicted of BUI will face at least a 30 day boating license suspension, but periods of 90 days or longer are also possible.
http://www.criminaldefenselawyer.com/crime-penalties/federal/Boating-under-influence.htm
In Washington State Boating Under the Influence (BUI) is a criminal misdemeanor offense. This means if you are convicted you face a maximum of 90 days in jail and/or a 1000.00 fine. Anytime you face the loss of liberty and freedoms experienced legal help is needed.
http://www.jrandslaw.com/dui-laws/bui/
Boating and Drinking Laws by State. Just like driving under the influence (DUI), it is illegal to drink and operate a boat in all 50 states, with each state enforcing their own unique penalties for those caught boating under the influence. These include large fines, possible jail time, and a potential effect on your driver’s license.
https://www.boat-ed.com/bui-laws.html
The reissue fee remains at $100 if you were under age 21 and were suspended under the Zero Tolerance Law pursuant to Vehicle Code §§23136, 13353.1, 13388, 13392. If it is determined that there is not a basis for the suspension or revocation, your driver license will be issued or returned to you.
http://www.dmv.ca.gov/portal/dmv/detail/dl/driversafety/dsalcohol
How a BUI Differs from a DUI. A BUI conviction does not require any mandatory jail or fines. A BUI conviction does not carry any driver's licensing consequences. As a result, you cannot lose your license if arrested for, or if you are convicted of BUI.
http://www.jrandslaw.com/dui-laws/bui/
If you are 21 years of age or older, took a blood or breath test, or (if applicable) a urine test, and the results showed 0.08% BAC or more: 1  A first offense will result in a 4-month suspension. 2  A second or subsequent offense within 10 years will result in a 1-year suspension.
http://www.dmv.ca.gov/portal/dmv/detail/dl/driversafety/dsalcohol
Jail or prison. A conviction for a misdemeanor BUI charge can result in up to one year in jail, but lesser sentences are also common. For example, a state's BUI law may provide for a maximum of 90 days in jail for a misdemeanor BUI conviction.
http://www.criminaldefenselawyer.com/crime-penalties/federal/Boating-under-influence.htm
If you are under 21 year of age, took a preliminary alcohol screening (PAS) test or other chemical test and results showed 0.01% BAC or more, your driving privilege will be suspended for 1 year.
http://www.dmv.ca.gov/portal/dmv/detail/dl/driversafety/dsalcohol
how long can you be imprisoned for a bui
You can be imprisoned for a Bui for 90 days. You can be imprisoned for 90 days for Boating Under the Influence.