Lowell, MA Noise Ordinance
Quiet Hours: 10PM-7AM (general)
Residential Decibel Limit: Not explicitly specified by residential zone, but Public Parks and Recreation is 60 dB(A) from 7AM-6PM. (Day) / Not explicitly specified by residential zone, but Public Parks and Recreation is 40 dB(A) from 10PM-7AM. Sound plainly audible at 50 feet between 10 PM and 7 AM is prima facie evidence of violation. (Night)
Summary: Lowell, MA's Chapter 204, "Noise," prohibits excessive, unnecessary, or unusually loud noises that disturb comfort, repose, health, peace, or safety. Unlawful noise includes sound plainly audible 50 feet from a source between 10 PM and 7 AM. Specific decibel limits apply to various zoning districts and restrictions cover construction, amplified sound, and vehicle noise.