511.01 GENERAL PROHIBITIONS.
   (a)   No person shall generate or permit to be generated unreasonable voice or loud sound which is likely to cause inconvenience or annoyance to persons of ordinary sensibilities by means of a sound amplification system or by any horn, drum, piano or other musical or percussion instrument.
   It is prima facie unlawful for a person to generate or permit to be generated sound by the above described devices or instruments on private property between the hours of 11:00 p.m. and 8:00 a.m. of the following day in a predominently residential area when the sound is audible more than fifty feet from the property line of the property from which the sound is emanating.
   (b)   No person, being the owner or person in possession of premises or person in control of premises by reason of employment, agency, or otherwise, whether such ownership, possession or control is exclusive or joint, shall permit a violation of this section.
   (c)   No person shall operate a motor vehicle within the City, or equip a motor vehicle with or use any device so as to create a loud or excessive noise. Nothing herein shall be construed to prohibit the blowing of horns when necessary to prevent an accident or the use of sirens or similar devices on authorized emergency vehicles.
   (d)   No operator or passenger of a motor vehicle shall operate, or permit the operation of any sound amplification system which can be heard outside the vehicle from fifty or more feet when the vehicle is present upon a street or highway.
   (e)   “Sound amplification system” includes any radio, tape player, compact disc player, loudspeaker or other electronic device used for the amplification of the human voice, music or any other noise or sound.
   (f)   It is an affirmative defense to a charge under this section that the person was not otherwise prohibited by law from operating the sound amplification system, and that any of the following apply:
      (1)   The system is being operated to request medical or vehicular assistance or to warn of a hazardous road condition or to signal the existence of unsafe or dangerous situations;
      (2)   The system is being used in a parade and the person or organization conducting the parade had obtained a parade permit from the appropriate City agency;
      (3)   The vehicle was an emergency or public safety vehicle;
      (4)   The vehicle was owned and operated by the City or a gas, electric, communications or water utility company.
         (Ord. 65-92. Passed 8-18-92.)
   (g)   No individual, association, partnership, or corporation shall make, cause or continue to permit any unreasonable noise disturbances. For the purpose of this paragraph, noise disturbance is defined as any man made sound that endangers or injures the safety or health of humans, or annoys or disturbs a reasonable person of normal sensitivities.
(Ord. 12-96. Passed 2-20-96.)