Macomb County has no countywide industrial-noise ordinance. Factory and commercial noise is regulated by each city and township. Macomb Township caps industrial-zone noise at 65 dB(A) daytime and 45 dB(A) overnight.
Industrial and commercial noise in Macomb County is regulated at the municipal level, not by a countywide law. Macomb Township's Noise Control ordinance (Sec. 11-43, Table III-1) sets industrial-zone limits of 65 dB(A) from 7:00 a.m. to 9:00 p.m. and 45 dB(A) overnight, measured at the adjacent property line with an A-weighted meter. The ordinance also addresses intermittent and pure-tone sounds that may draw complaints even when under the table limit. Manufacturing-heavy cities such as Warren and Sterling Heights maintain their own industrial-noise provisions tied to zoning. Facilities should verify the dB(A) limit and any buffering requirements with the local ordinance and zoning office for their specific municipality.
Enforcement is by the local municipality; exceeding the industrial dB(A) limit or creating a pure-tone nuisance is a civil infraction or misdemeanor under the city or township code.
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See how Macomb County's industrial noise rules stack up against other locations.
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