PortlandOnline

POL Government Elected Officials Auditor Griffin-Valade Charter, Code & Policies City Code & Charter Online Code & Charter Title 18 Chapter 18.10  Maximum Permissible Sound Levels
18.10.040 Watercraft.

(Amended by Ord. No. 164010, Mar. 27, 1991.)

 
A. No person shall operate a watercraft between the hours of7:00 a.m. and 10:00 p.m. which exceeds 75 dBA as measured on shore.  Between 10:00 p.m. and 7:00 a.m., this sound level shall be 65 dBA.
 
B. Exemptions:  normal docking and undocking operations of all vessels, and operations of vessels licensed by the federal government for purposes of commerce on interstate waters are exempted from the provisions of this Section.
 
C. Motorboats shall not be operated on public waterways within the City limits, unless equipped with a functioning underwater exhaust or muffler, or, unless such motorboat has the discharge water continuously piped into the exhaust line.