(A) Unless otherwise specifically indicated, it shall be unlawful for anyone to cause or allow the emission of sound from any source or sources which when measured pursuant to § 91.04 exceeds the maximum decibel limits specified in Table 1 below. Ten readings above the allowed decibel limits attributed to the sound source or sources shall constitute prima facie evidence of a violation of this subchapter. The sound meter operator may cease taking readings as soon as the readings already taken show a violation of this subchapter. It shall not be necessary to complete all 100 readings if a fewer number have already indicated a violation of the subchapter.
Table 1. Maximum Noise Limitations dB(A) | ||
Zoning Districts | Daytime Hours | Nighttime Hours |
Agricultural Residential | 60 | 55 |
Group Camping and Tent Trailer Camping | 55 | 45 |
Light Industrial | 70 | 65 |
Neighborhood Business and Lakeside Business | 60 | 55 |
Residential | 55 | 45 |
(B) When a noise source can be identified and its sound is measured in more than one district, the average of the noise limitation of the two districts shall apply.
(C) Notwithstanding the location of hospitals, rest homes, family care homes, group care facilities, or public, private, or parochial schools or day care facilities, it shall be unlawful for any person to cause or allow the emission of sound onto the structures of such uses which exceeds the maximum noise limitations for Residential Zoning Districts.
(D) For activities which are necessary for railroad operations, it shall be unlawful for any person to cause or allow the emission of sound from the boundaries of railroad rights-of-way which exceeds 80 dB(A) for daytime and 75 dB(A) for nighttime, without regard for the zoning district of the abutting property.
(Ord. passed 1-3-2011) Penalty, see § 91.99