Generator Noise: Chicago vs Oak Park
How do generator noise rules compare between Chicago, IL and Oak Park, IL?
Chicago, IL
Cook County
Chicago classifies generators as mechanical stationary sources under Section 8-32-090. Between 8 PM and 8 AM, generator noise cannot exceed 55 dB(A) at 100 feet or 70 dB(A) at 10 feet from the source. Construction generators must also comply with Section 8-32-070 construction noise limits.
View full Chicago rules →Oak Park, IL
Cook County
No data available yet for Oak Park.
Key Facts Comparison
| Fact | Chicago | Oak Park |
|---|---|---|
| Code Section | Sec. 8-32-090 | - |
| Nighttime Limit (100 ft) | 55 dB(A) (8 PM - 8 AM) | - |
| Nighttime Limit (10 ft) | 70 dB(A) (8 PM - 8 AM) | - |
| Enforcement | Dept. of Public Health | - |
Highlighted rows indicate differences between cities.
Chicago FAQ
How loud can a generator be in Chicago?
Between 8 PM and 8 AM, generators cannot exceed 55 dB(A) at 100 feet or 70 dB(A) at 10 feet. Daytime limits are somewhat higher. Emergency use during power outages is generally tolerated.
Do I need a permit for a standby generator in Chicago?
Yes. Permanent standby generators require a building permit and must comply with both the noise ordinance (Section 8-32-090) and zoning setback requirements.
Oak Park FAQ
No FAQs available.
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