Industrial Noise: Altadena vs El Monte
How do industrial noise rules compare between Altadena, CA and El Monte, CA?
Altadena, CA
Los Angeles County
No data available yet for Altadena.
El Monte, CA
Los Angeles County
Industrial noise in El Monte must not exceed ambient +5 dBA at the property line. Larger deviations are allowed for shorter durations, up to a never-to-exceed 20 dB increase above the 50th percentile standard.
View full El Monte rules →Key Facts Comparison
| Fact | Altadena | El Monte |
|---|---|---|
| Limit | - | Ambient +5 dBA at property line |
| Max Deviation | - | 20 dB above 50th percentile |
| Nighttime | - | 5 dB reduction 10 PM - 7 AM |
| Code | - | EMMC Ch. 8.36 |
Highlighted rows indicate differences between cities.
Altadena FAQ
No FAQs available.
El Monte FAQ
What are the industrial noise limits in El Monte?
Industrial and commercial operations must stay below 70 dBA during the day and 60 dBA at night, measured at the nearest residential property line.
How do I report industrial noise in El Monte?
File a complaint with El Monte Code Enforcement. They may conduct sound level measurements to determine if the source exceeds permitted levels.
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