Saint Paul sets industrial zone noise at 80 dBA and commercial at 70 dBA under Chapter 293. MPCA Rules Ch. 7030 adds state-level standards for industrial noise near residential areas.
Saint Paul Legislative Code Section 293.07 establishes noise limits by zoning classification. Industrial zones (B3-B5, IT-I3) are allowed up to 80 dBA at all hours, roughly equivalent to a passing semi truck. Commercial and transit districts (T1-T4, OS, BC, B1, B2, F2-F6, VP) are limited to 70 dBA at all hours. When industrial noise impacts adjacent residential zones, the residential limits of 65 dBA daytime and 55 dBA nighttime apply at the receiving property boundary. Minnesota Pollution Control Agency (MPCA) Rules Chapter 7030 classifies land into Noise Area Classifications (NAC 1-3), with NAC 1 residential areas limited to 60 dBA daytime (7 AM-10 PM) and 50 dBA nighttime. MPCA state standards may be stricter than local limits in some cases. The Department of Safety and Inspections can conduct noise level readings to verify compliance.
Contact your local code enforcement office for specific penalty information.
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See how Saint Paul's industrial noise rules stack up against other locations.
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