Columbia, MO Noise Ordinances: Decibel Limits (2026)
Key Facts
- 0-75 CPS limit
- 55 decibels
- 75-1,200 CPS limit
- 40 decibels
- 1,200-4,800 CPS limit
- 25 decibels
- Above 4,800 CPS limit
- 22 decibels
- Applies to
- IG industrial-general district
Summary
In Columbia's IG industrial-general zoning district, Boone County, noise measured at the property line may not exceed set decibel limits across four octave bands, from 55 dB at low frequencies down to 22 dB above 4,800 cps.
No use shall be permitted or so operated as to produce or emit:1)Smoke or particulate matter in violation of the standards of the ordinances of the city.2)Dust, fly ash, radiation, gases, heat, glare, or other effects which are obviously injurious to humans at the property line.3)Vibration or concussion perceptible without instruments at the property line. The noise level at any point along the property line shall not exceed:
Octave Band Decibels 0—75 CPS 55 75—1,200 CPS 40 1,200—4,800 CPS 25 Above 4,800 CPS 22
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 138).
Full Breakdown
Columbia, Missouri's Unified Development Code caps noise generated by IG (industrial-general) district uses at the property line: no more than 55 decibels in the 0-75 cps octave band, 40 dB from 75-1,200 cps, 25 dB from 1,200-4,800 cps, and 22 dB above 4,800 cps. The same section also bars smoke, particulate matter, dust, glare, radiation, and vibration perceptible without instruments beyond the property line, and prohibits industrial wastes that overburden city sewage facilities or create odor beyond the site. These operating standards apply citywide wherever land is zoned IG in Columbia, Boone County, Missouri.
Violations & Fines
Exceeding the octave-band decibel limits at the property line is a zoning code violation; Columbia's community development department can require abatement, and violations are enforced under § 29-6.6, which authorizes fines and other penalties.
Frequently Asked Questions
Where does Columbia, Missouri limit industrial noise?
What is the lowest decibel limit in Columbia's industrial noise standard?
Sources & Official References
Other rules in Columbia
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