Maryland regulates industrial noise statewide under COMAR 26.02.03 with district-based decibel ceilings. Industrial operations may not exceed 75 dBA at the property line continuously, with stricter limits when adjoining residential zones.
Industrial noise is directly regulated by COMAR 26.02.03.02, which sets a 75 dBA continuous limit measured at the boundary of an industrial zone. When industrial property abuts a residential receiver, the lower residential limit (65 dBA day, 55 dBA night) applies at the residential property line. The Maryland Department of the Environment investigates complaints and may issue compliance orders, install monitoring, or pursue civil penalties. Permits issued under Environment Article 2-301 may include facility-specific noise conditions. Local governments may impose stricter limits but cannot supersede MDE permit terms.
Civil penalties up to $10,000 per day per violation; MDE may seek injunctive relief and require noise mitigation plans for repeat offenders.
Anne Arundel County, MD
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Anne Arundel County, MD
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Anne Arundel County, MD
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Anne Arundel County, MD
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See how Pasadena's industrial noise rules stack up against other locations.
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