# WAC 173-60-040: WAC 173-60-040. Maximum permissible environmental noise levels

> Washington · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_60_040

## Section

- **Citation:** WAC 173-60-040
- **Heading:** WAC 173-60-040. Maximum permissible environmental noise levels
- **Jurisdiction:** Washington
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Washington Administrative Code / Title 173 / Chapter 173-60 / Section 173-60-040

## Text

(1) No person shall cause or permit noise to intrude into the property of another person which noise exceeds the maximum permissible noise levels set forth below in this section.
(2)(a) The noise limitations established are as set forth in the following table after any applicable adjustments provided for herein are applied.
edna of noise source edna of receiving property Class A Class B Class C class a 55 dBA 57 dBA 60 dBA class b 57 60 65 class c 60 65 70
edna of
noise source
edna of
receiving property
Class A
Class B
Class C
class a
55 dBA
57 dBA
60 dBA
class b
57
60
65
class c
60
65
70
(b) Between the hours of 10:00 p.m. and 7:00 a.m. the noise limitations of the foregoing table shall be reduced by 10 dBA for receiving property within Class A EDNAs.
(c) At any hour of the day or night the applicable noise limitations in (a) and (b) above may be exceeded for any receiving property by no more than:
(i) 5 dBA for a total of 15 minutes in any one-hour period; or
(ii) 10 dBA for a total of 5 minutes in any one-hour period; or
(iii) 15 dBA for a total of 1.5 minutes in any one-hour period.

## Nearby sections

- [WAC 173-60-010 WAC 173-60-010. Authority and purpose](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_60_010.md)
- [WAC 173-60-020 WAC 173-60-020. Definitions](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_60_020.md)
- [WAC 173-60-030 WAC 173-60-030. Identification of environments](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_60_030.md)
- [WAC 173-60-040 WAC 173-60-040. Maximum permissible environmental noise levels](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_60_040.md)
- [WAC 173-60-050 WAC 173-60-050. Exemptions](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_60_050.md)
- [WAC 173-60-060 WAC 173-60-060. Nuisance regulations not prohibited](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_60_060.md)
- [WAC 173-60-080 WAC 173-60-080. Variances and implementation schedules](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_60_080.md)
- [WAC 173-60-090 WAC 173-60-090. Enforcement policy](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_60_090.md)
- [WAC 173-60-100 WAC 173-60-100. Appeals](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_60_100.md)
- [WAC 173-60-110 WAC 173-60-110. Cooperation with local government](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_60_110.md)
- [WAC 173-60-120 WAC 173-60-120. Effective date](https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_60_120.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/STATE_WA_ADC_173_60_040. Check the current official text before relying on it. Not legal advice.