Marion County, OR Noise Ordinances: Decibel Limits (2026)
Key Facts
- Industrial to commercial
- 70 dBA day / 65 dBA night
- Industrial to homes
- 55 dBA maximum
- Impulse cap
- 100 dB day / 80 dB night
- Citation
- MCC 8.45.060(E)
- Permitted industrial use
- Exempt (MCC 8.45.080(H))
Summary
Inside the Salem-Keizer UGB, industrial sources may not exceed 70 dBA day / 65 dBA night at commercial or industrial receivers, and only 55 dBA at noise-sensitive homes. Impulse sound is capped at 100 dB day and 80 dB night.
no person shall operate or permit the operation of a noise source which emits an impulse sound which has a peak sound pressure level in excess of 100 dB in the day or 80 dB in the night.
Official source re-checked September 8, 2026: no newer edition of the code had been published (publisher’s edition: current through Ordinance 1489, passed April 15, 2026).
Full Breakdown
Marion County Code 8.45.060(E) sets a maximum-permissible-sound-level table by source and receiver. An industrial source may reach 70 dBA day and 65 dBA night at commercial or industrial receivers, but only 55 dBA when the receiver is noise-sensitive (a home, school, hospital or church). MCC 8.45.060(E)(3)(a) adds a separate impulse-sound cap: no source may emit an impulse sound with a peak level above 100 dB by day or 80 dB by night. Permitted industrial uses are otherwise exempted from the general prohibition under MCC 8.45.080(H).
Violations & Fines
Exceeding the industrial or impulse limits is a Class A violation under ORS Chapter 153, enforced through Chapter 1.25 MCC. Each event may be charged as separate violations.
Frequently Asked Questions
How loud can an industrial site be near homes?
Is there a limit on sudden impact noise?
Sources & Official References
Other rules in Marion County
Compare Marion County to another location·View the Oregon noise ordinances overview
See something wrong?
Help us keep this page accurate. If you notice an error or outdated information, let us know.