Industrial noise in Minneapolis is limited by zoning-based dBA caps in Chapter 389, typically 65 dBA daytime and 55 dBA nighttime at residential property lines. Complaints investigated by city Health.
Minneapolis Code Chapter 389 ties permissible industrial and commercial noise to the zoning of the receiving property. Generally, noise reaching a residential property line may not exceed approximately 65 dBA from 7:00 AM to 10:00 PM and 55 dBA during nighttime hours, while receiving commercial or industrial property lines allow higher limits. The Minneapolis Health Department investigates persistent industrial complaints, may conduct sound-level measurements, and can order abatement including mufflers, enclosures, or operational changes. Facilities with rooftop HVAC, compressors, or truck-loading docks adjacent to residential blocks are the most frequent subjects of complaints. Variance applications require a demonstration of best-available control technology.
Specific penalty amounts for this ordinance are not published in a publicly accessible fine schedule. Contact Minneapolis code enforcement directly for current fines, enforcement procedures, and hearing options.
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