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Idaho Boating Under the Influence (BUI) (2026)

Conditional: Under the Idaho Safe Boating Act, a person 21 or older is under the influence with a BAC of 0.08% or higher while operating a vessel.

ConditionalVerified Jul 7, 2026

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Official source: parksandrecreation.idaho.gov →

General legal information, not legal advice — verify important decisions with a licensed attorney.

Boating Under the Influence (BUI) in states bordering Idaho

The same rule in each neighboring state LawLert has verified, from that state’s own official source.

MontanaConditional
In Montana it is unlawful to operate a motorboat while under the influence; a person with an alcohol concentration of 0.08 or more is considered under the influence (Montana FWP).
Verified Jul 7, 2026 · Source: fwp.mt.gov · Full Montana rule →
NevadaConditional
Under Nevada law (NRS 488.410) it is unlawful to operate or be in actual physical control of a vessel with an alcohol concentration of 0.08 or more in blood or breath.
Verified Jul 7, 2026 · Source: leg.state.nv.us · Full Nevada rule →
OregonConditional
Oregon deems a person under the influence for boating at 0.08% or more blood alcohol (ORS 830.510).
Verified Jul 7, 2026 · Source: oregonlegislature.gov · Full Oregon rule →
UtahConditional
Utah treats boating under the influence the same as DUI; Utah's DUI/BUI limit is 0.05% BAC (Utah Code 41-6a-502).
Verified Jul 7, 2026 · Source: recreation.utah.gov · Full Utah rule →
WashingtonConditional
Washington (RCW 79A.60.040) makes it a crime to operate a vessel with an alcohol concentration of 0.08 or higher.
Verified Jul 7, 2026 · Source: app.leg.wa.gov · Full Washington rule →
WyomingConditional
Wyoming sets the blood alcohol concentration limit for operating a motorized boat at 0.08 percent, the same as for a motor vehicle.
Verified Jul 7, 2026 · Source: wgfd.wyo.gov · Full Wyoming rule →

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