(a) 
The making, causing or permitting to be made of any unnecessary noise in any section of the city, in such manner as to disturb the peace and comfort of the people, by the honking of a horn, the ringing of a bell, the sounding of a gong, the blowing of a whistle, or by means of a loudspeaker or megaphone, or by racing of an engine, or by means of any musical instrument, machinery or device or amplifier, to the point of a citizen’s complaint or to the point that the city police department finds such noise found to be unreasonable, is hereby declared to be a nuisance and is prohibited within the corporate limits of the city. However, the provisions of this section shall not be construed to prevent the giving of any sound as a warning of danger, if necessary or required by law.
(b) 
The violation of any provision of this section shall be deemed a class C misdemeanor and shall be punishable by the penalty prescribed by state law.
(Ordinance 294 adopted 12/10/90)
(a) 
“Noise nuisance” is defined as any unreasonably loud, disturbing or unnecessary noise which causes material distress, discomfort or injury to persons of ordinary sensibilities in the immediate vicinity thereof, or any noise of such character, intensity or continued duration which substantially interferes with the comfortable enjoyment of private homes by persons of ordinary sensibilities.
(b) 
The following acts, among others, are declared to come within the purview of this section, and to be nuisances within the meaning hereof, but said enumeration shall not be deemed exclusive, such acts being as follows:
(1) 
The continued or frequent sounding of any horn or other signal device on any automobile or other vehicle except as a danger or warning signal, or the creation by any means of any such signal device of any unreasonably loud or harsh noise for any unnecessary purpose or unreasonable period of time; or
(2) 
The use of any mechanical device operated by compressed air, unless the noise thereby created has been effectively muffled and reduced.
(c) 
This section shall be strictly enforced by the city police department.
(d) 
A violation of this section is a class C misdemeanor punishable by a fine in accordance with the general penalty provided in section 1.01.009 of this code for each offense, and a separate offense shall be deemed committed on each day during or on which a violation occurs or continues. It shall be an affirmative defense to a violation of subsection (b) of this section that the use of an engine brake was necessary in order to avoid an accident.
(Ordinance 2005-335 adopted 4/12/05; Ordinance adopting Code)