(A) The following noise standards, unless otherwise specifically indicated, shall apply to all property with a designated land use district:
Land Use District | Time of Day | Energy Equivalent Sound Levels (leq) |
Residential | 10:00 p.m. to 7:00 a.m. | 52 dB(A) |
7:00 a.m. to 10:00 p.m. | 62 dB(A) | |
Office, retail | 10:00 p.m. to 7:00 a.m. | 62 dB(A) |
Commercial | 7:00 a.m. to 10:00 p.m. | 67 dB(A) |
Industrial | Anytime | 70 dB(A) |
(B) It shall be unlawful for any person at any location in the city to create any noise, or to allow the creation of any noise on property owned, leased, occupied or otherwise controlled by such person, which causes the noise level when measured on or beyond the boundaries of the property on which the noise is produced, or measured within any other residential dwelling unit or commercial space, to exceed:
(1) The noise standard in any measurement period not less than 30 minutes.
(2) The noise standard, plus 15 dB(A) in any one minute average of a measurement period.
(3) The noise standard, plus 20 dB(A) at any time in a measurement period.
(C) For the purpose of enforcing the provisions of this section, a measurement period shall not be less than 30 minutes.
(D) The sound level limits established in division (A) of this section for residential districts shall be applicable to all quiet zones.
(E) If the ambient sound level exceeds the resulting standards, the ambient level shall be the standard.
(F) If the intruding noise source is continuous and cannot reasonably be discontinued or stopped for a time period whereby the ambient sound level can be determined, the measured sound level obtained while the source is in operation shall be compared directly to the applicable standard in the receiving land use district on which the sound is measured.
(G) Correction for character of sound. For any stationary source of sound which emits a pure tone, cyclically varying sound or repetitive impulsive sound, the limits set forth in division (A) shall be reduced by five dB(A). Notwithstanding compliance with this section, it shall be a violation of this subchapter for any person to operate or permit to be operated any stationary source of sound which emits a pure tone, cyclically varying, or repetitive impulsive sound which creates a noise disturbance.
(H) When the land use district designation of the property on which the source of sound originates differs from the designation of the property on which the sound is measured, the maximum permissible sound level of the more restrictive land use district designation shall apply.
(I) For sound emitted on public property, the measurement distance shall be 50 feet (15 meters), and the sound level limit for the appropriate land use district shall apply.
(Ord. 0921-4, passed 9-14-2021)