571—37.7(462A) Motorboat noise.
- 37.7(1) Stationary sound level test. Motorboats manufactured prior to 1993 shall not exceed a noise level of 90dB(A) during a stationary sound level test as prescribed by 2018-06 Society of Automotive Engineers Standard J2005, titled “Stationary Sound Level Measurement Procedure for Recreational Motorboats.” For motorboats manufactured on or after January 1, 1993, a motorboat shall not exceed a noise level of 88dB(A) when subjected to a stationary sound level test as prescribed by 2018-06 Society of Automotive Engineers Standard J2005, titled “Stationary Sound Level Measurement Procedure for Recreational Motorboats.”
- 37.7(2) Shoreline sound level test. A motorboat engine shall not exceed a noise level of 75dB(A) when measured as specified in 2018-02 Society of Automotive Engineers Standard J1970, titled “Shoreline Sound Level Measurement Procedure for Recreational Motorboats.”
No person shall operate any motorboat on waters of this state under the jurisdiction of the commission, in such a manner as to exceed the following noise levels:
[ARC 9219C, IAB 5/14/25, effective 6/18/25]