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Council adopts decibel-based noise ordinance; residents and council seek implementation tweaks
Summary
Council adopted an amendment establishing decibel thresholds and measurement procedures to regulate loud and amplified noise in residential and commercial areas. Speakers raised concerns about thresholds, measurement locations and enforcement capacity.
The North Charleston City Council adopted an amendment to the city noise ordinance on Feb. 20, 2025, replacing vague language with decibel-based thresholds and a measurement procedure for amplified sound.
Staff explained the prior code lacked precision and described testing decibel meters at local venues, including Firefly. Under the adopted approach, officers will measure decibel levels from the perimeter of the complainant’s property (for residential complaints) rather than from the business. The ordinance sets different decibel thresholds by day and time for commercial amplified sound and a lower threshold for residential noise at specified hours.
During debate, councilmembers and residents questioned specific thresholds and the timing categories, noting that the decibel levels apply at times earlier than the city’s existing nighttime noise ordinance. Speakers raised several practical concerns: the bass frequency that creates vibration, how measurements will be taken when residents live directly above or adjacent to businesses, and the potential for a surge in complaints that could strain public safety resources.
The ordinance contains permit exemptions for events authorized under an existing permit; staff said permitted events may still be subject to measurement and warnings if complaints arise. Councilmembers and staff emphasized education and voluntary compliance as the first enforcement steps, with warnings followed by citations if necessary. Staffing and equipment levels were discussed; staff said the city has procured professional decibel meters and increased availability for enforcement.
Council members voted individually; the transcript records a roll-call-style series of “Aye” votes (Mister O, Doctor Thomas Roberts, Mister Hudson, Mister Skipper and others listed in succession) and the chair announced the motion passed. Several members asked to review the ordinance’s effects shortly after implementation and flagged the need for amendments if the thresholds produce unintended consequences.
