The Handbook of Idaho Boating Laws and Responsibilities
The Official Boating Handbook of the Idaho State Parks and Recreation - Web Version
Table of Contents
All vessel engines must have an effective, permanently installed muffling system that cannot be bypassed.
- Vessels built before January 1, 1995, must not exceed 90 dB(A) using the stationary test.
- Vessels built on or after January 1, 1995, must not exceed 88 dB(A) using the stationary test.
- While operating on lakes and rivers wider than 500 feet, it is unlawful to exceed 75 dB(A) as measured from shore.
Contact your local sheriff’s department for a free screening of your vessel’s noise.