The Resolution Path
1. Local Ordinance
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3. Resolve Dispute
The Resolution Path
Step 1 of 3Mount Pleasant, SC
Noise Ordinance Overview
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Official Decibel Limits
volume_up"The general maximum decibel level is 65 dB(A) unless otherwise specified. Amplified sound from commercial establishments is unlawful if it registers 60 dB(A) at the property line of the nearest residentially occupied property at any time. Another ordinance indicates a sound level exceeding the background sound level by at least 10 dBA during daytime (7:00 AM to 10:00 PM) and by at least 5 dBA during nighttime (10:00 PM to 7:00 AM). For multi-dwelling units, if background cannot be determined, limits are 45 dBA during the day and 35 dBA at night for sound originating in another dwelling. Nonrepetitive impulsive sound sources should not exceed 90 dBA at or within the property line of a residential premises. A 2022 pilot program focused on a measurement of 55 decibels from the property of the individual making the noise complaint."
AI Executive Summary
Mount Pleasant, SC, noise ordinances, specifically Section 132.03, prohibit "excessive noise" or "unnecessary noise" that disturbs residents' peace and quiet. Construction activities are restricted during nighttime hours, and amplified sound from commercial establishments has specific decibel limits when measured at residential property lines. The Town also conducted a pilot program in 2022 to gather data for potential ordinance modifications.
Specific Noise Restrictions
Construction
Building operations are unlawful between 9:00 p.m. and 7:00 a.m. the following day if they create loud noise or involve machinery, hammers, or saws that produce loud or unusual noises within hearing distance of any resident. Any noise generated from building operations, at any time, that is plainly audible from inside a residence or place of business of a receiving property constitutes a violation.
Amplified Sound
Commercial establishments are prohibited from operating sound amplification equipment that creates sounds registering 60 dB(A) at the property line of the nearest residentially occupied property at any time. Amplified sound that is plainly audible from inside a residence or place of business of a receiving property and not originating from the receiving property is a violation.
Animals
Animal complaints are handled by the Mount Pleasant Police Department's animal control officers. Unnecessary or excessive noise created by animals would fall under the general noise ordinance.
Vehicles
Sound emitting from a motor vehicle's muffler in violation of S.C. Code Ann. § 56-5-5020 is prohibited. A 1992 code mentions a maximum vehicle decibel level of 7.6 dBA according to state standards, which should not be exceeded.
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