Noise from Specific Sources in Norman, OK (2026)
4 verified noise from specific sources rules for Norman, Oklahoma, sourced directly from the municipal code and official government pages.
Verified from official government sources
Bar & Nightclub Noise
Norman limits any 'enclosed place of public entertainment,' meaning bars and nightclubs, to 90 dB(A) measured at a customer's normal spot unless a hearing-warning sign at least 225 square inches is posted at every entrance. Even with a sign, the venue still cannot violate the underlying NCC 16-205 district noise limits. Violations bring fines under the City's penalty schedule.
Norman Caps Nightclub Sound at 90 dB
Some RestrictionsNorman City Code (NCC) Sec. 16-208(b) [Enclosed place of public entertainment]
Enclosed place of public entertainment. Operating or permitting to be operated in any place of public entertainment any loudspeaker or other source of sound with produces, at a point that is normally occupied by a customer, maximum sound levels of 90 dB(A) or greater as read with the slow response on a sound level meter, unless a conspicuous and legible sign at least 225 square inches in area i...
Car Alarm Limits
Norman treats any electronically amplified alarm signal, a category that reaches car alarms, the same way: sounding past the NCC 16-205 district noise limit for more than 15 minutes an hour is a violation. Routine testing is capped at 5 minutes in any 24 hours, and testing overnight between 9 p.m. and 7 a.m. is banned outright. The Police Department enforces it under NCC 16-208(b).
Norman Limits Alarm Noise and Test Times
Some RestrictionsNorman City Code (NCC) Sec. 16-208(b) [Emergency-type alarms]
Emergency-type alarms. The sounding, operating or permitting to sound or operate an electronically amplified signal from an alarm which fails to meet the sound level standards set forth in NCC 16-205 for more than 15 minutes in any hour; or the testing of such emergency alarm which fails to meet the sound level standards set forth in NCC 16-205 for more than five minutes in any 24-hour period. ...
Delivery Truck Noise
Norman's noise ordinance bans loading, unloading, or handling boxes, crates, containers, and garbage containers between 9:00 p.m. and 7:00 a.m. if it causes a noise disturbance or exceeds the district sound limits in NCC 16-205. The rule targets delivery trucks and warehouse docks near homes. Violators face fines under the City's penalty schedule, with each night a separate offense.
Norman Bans Loading Noise After 9 PM
Some RestrictionsNorman City Code (NCC) Sec. 16-208(a),(b) [Loading operation clause]
General prohibitions. In addition to the specific prohibitions outlined in subsection (b) of this section and NCC 16-205 and 16-211, it shall be unlawful for any person to make, continue, or cause to be made or continued any noise disturbance within the limits of the City. Specific prohibitions. The following acts are declared to be in violation of this article: ... Loading operation. Loading, ...
Low-Frequency Bass Limits
Norman bans reproduced sound, the kind that carries as thumping bass, once it is plainly audible at the source's property boundary or 50 feet away from a vehicle or boat under NCC 16-208(b)(2), and stationary sources emitting a pure tone or cyclically varying sound face a stricter 5 dB(A) limit under NCC 16-205.
Norman's Plainly Audible Standard Curbs Bass
Some RestrictionsNorman City Code (NCC) § 16-208(b)(2)
Using, operating or permitting the use or operation of any radio receiving set, musical instrument, television, phonograph, drum or other machine or device for the production or reproduction of sound, except, as provided for in subsection (b)(3) of this section, in such a manner as to violate NCC 16-205 or cause a noise disturbance. The operating of any such device in such a manner as to be pla...