Industrial Noise: East Honolulu vs Honolulu
How do industrial noise rules compare between East Honolulu, HI and Honolulu, HI?
East Honolulu and Honolulu have similar restriction levels.
East Honolulu, HI
Honolulu County
ROH Chapter 41 Article 6 supplements state HAR 11-46 decibel limits for any industrial or stationary noise sources impacting East Honolulu residential neighborhoods.
View full East Honolulu rules →Honolulu, HI
Honolulu County
Stationary-source industrial noise on Oahu is capped primarily by state rule HAR 11-46 with local backup from Honolulu's noise control article.
View full Honolulu rules →Key Facts Comparison
| Fact | East Honolulu | Honolulu |
|---|---|---|
| Code Section | ROH Section 41-6 | - |
| State Rule | HAR 11-46 | - |
| Residential Class | Class A strictest | - |
| Joint Enforcement | DOH and HPD | - |
| City Code | - | ROH §§41-6.1–41-6.5 |
| State dBA Limits | - | HAR 11-46 |
| Enforcers | - | HPD, DOH |
| Coverage | - | All Oahu zones |
Highlighted rows indicate differences between cities.
East Honolulu FAQ
What dBA applies near Hawaii Kai homes?
Class A residential zones are limited to roughly 55 dBA daytime and 45 dBA nighttime under HAR 11-46, measured at the receiving property line.
Can a neighbor's pool pump violate this rule?
Yes, if it exceeds HAR 11-46 dBA limits at the East Honolulu property line, DOH can require abatement. Quieter equipment or enclosures are common fixes.
Honolulu FAQ
Where are the decibel numbers for factories?
Zoning-based maximum permissible sound levels for stationary sources appear in state rule HAR 11-46, not directly in the Revised Ordinances of Honolulu.
Can the City cite an industrial facility?
Yes. Honolulu police and inspectors can cite under ROH Chapter 41 Article 6 in addition to state enforcement under HAR 11-46.
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