Boating Decible Levels
All Members have a right to enjoy the Lake and we ask all members to be considerate of other members.
Please remember that loud boats and excessively loud amplified music are both regulated by California state law. Information on allowable decibel levels for boat engines is below. Excessively loud amplified music may be considered a disturbance of the peace and treated accordingly.
These rules and regulations have been enacted for your safety and to allow shared enjoyment of the lake by all members.
CALIFORNIA HARBORS AND NAVIGATION CODE
654.05. (a) A person may not operate a motorized recreational vessel in or upon the inland waters, or in or upon ocean waters that are within one mile of the coastline of the state, in a manner that exceeds the following noise levels:
(1) For engines manufactured before January 1, 1993, a noise level of 90 dB(A) when subjected to the Society of Automotive Engineers Recommended Practice SAE J2005 (Stationary Sound Level Measurement Procedure for Pleasure Motorboats).
(2) For engines manufactured on or after January 1, 1993, a noise level of 88 dB(A) when subjected to the Society of Automotive Engineers Recommended Practice SAE J2005 (Stationary Sound Level Measurement Procedure for Pleasure Motorboats).
(3) A noise level of 75 dB(A) measured as specified in the Society of Automotive Engineers Recommended Practice SAE J1970 (Shoreline Sound Level Measurement Procedure). However, a measurement of noise level that is in compliance with this paragraph does not preclude the conducting of a test of noise levels under paragraph (1) or (2).
SAE J2005: This measures the engine sound at idle with the microphone 1.5 m away. SAE recommends a limit of 90dbA for this method, which does not account for the speed or power of the boat.
SAE J1970: In realizing the enforcement difficulties of the previous methods, SAE designed this shoreline noise test enabling regulations keeping the boat under 75 dBA at 50 ft. by operation, not mechanics. The operator is responsible for controlling the noise of the boat.
If you have made changes to the form(s) on this page,
be sure to click the form's Submission button to save those changes.