§ 97.03 SOUND PRESSURE LEVELS.
   (A)   (1)   The maximum permissible sound pressure levels of any continuous source of sound shall be as herein established for the time period and district listed in the table below.
      (2)   This includes, but is not limited to, sound from such activities as production, processing, cleaning, servicing, testing, operating or repairing either vehicles, materials, goods, products or devices. Sound pressure levels in excess of those established for the districts of the city, in times herewith listed, shall constitute prima facie evidence that the sound is an unnecessary noise.
      (3)   Sound pressure levels shall be measured at the approximate location of the property line or the boundary of the public way, at a height of at least four feet above the immediate surrounding surface, on a sound level meter of standard design and operated on the “A” weighing network.
 
Sound Pressure Level Limit dB(A)
District
Day
(7:00 a.m. - 10:00 p.m.)
Night
(10:00 p.m. - 7:00 a.m.)
Residential
55
50
Commercial
60
55
Industrial
80
75
 
      (4)   When a noise source can be identified and its noise measured in more than one district, the sound pressure level limits of the most restrictive district shall apply.
   (B)   The sound pressure level limits, and provisions hereof, applicable to commercial districts shall also apply to any parcel of land zoned agricultural district under Ch. 155 of this code of ordinances, Zoning.
   (C)   The provisions of this section shall not apply to motor vehicles operating on public rights-of-way; any bell or chime or any device for the production or reproduction of the sound of bells or chimes from any church, clock or school; the loading of any trucks; domestic power equipment and commercial power equipment.
(1994 Code, § 97.03) (Ord. 318, passed 5-10-1982) Penalty, see § 10.99