What is the residential decibel limit in Norman, OK?

Daytime limit: Not specified. Nighttime limit: 50 dB(A). Nighttime residential limit of 50 dB(A) applies from 9 PM to 7 AM. The city uses statistical noise levels (L90, L10, L1) in Section 10-304 for various use districts, but specific day/night limits for all categories are not readily available. Car washes have limits of 70 dB(A) between 7 AM and 10 PM and 55 dB(A) between 10 PM and 7 AM at the property line. Commercial power equipment in any district is limited to 82 dB(A) at 50 feet. Domestic power equipment is limited to 74 dB(A) at 50 feet outdoors between 9 PM and 7 AM. Noise variance permits allow sound levels not exceeding 80 dB(A) (L10 measurement) for more than 10% of the time.

Who do I call for a noise complaint in Norman, OK?

For non-emergencies, contact the police at 405-321-1444. For code violations, contact Code Enforcement at 405-366-5332.

Norman, OK Noise Ordinance

Quiet Hours: 9 PM - 7 AM (Residential)

Residential Decibel Limit: Not specified (Day) / 50 dB(A) (Night)

Summary: Norman, OK noise ordinances, primarily found in Chapter 10, Article III Noise Control, prohibit excessive, unnecessary, or unusually loud noises that disturb public health, comfort, convenience, safety, and welfare. Quiet hours in residential areas are generally from 9 PM to 7 AM, with a maximum permissible sound level of 50 dB(A) during this time. Violations can result in fines and imprisonment.

Local Noise Laws

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