Decibel Limits: Oak Lawn vs Schaumburg
How do decibel limits rules compare between Oak Lawn, IL and Schaumburg, IL?
Oak Lawn and Schaumburg have similar restriction levels.
Oak Lawn, IL
Cook County
Oak Lawn relies primarily on a plainly-audible standard for residential noise enforcement, with numerical decibel limits applying to commercial and industrial sources under Illinois Pollution Control Board rules. State limits at residential property lines are roughly 61 dBA daytime and 51 dBA nighttime (10 PM–7 AM) in octave-band equivalents.
View full Oak Lawn rules →Schaumburg, IL
Cook County
Cook County noise enforcement under Chapter 30, Article V uses a reasonableness standard. Illinois EPA Title 35, Part 901 sets statewide decibel limits: 61 dBA daytime and 51 dBA nighttime for residential areas (Class A land).
View full Schaumburg rules →Key Facts Comparison
| Fact | Oak Lawn | Schaumburg |
|---|---|---|
| Residential Standard | Plainly audible | - |
| Daytime (state) | ~61 dBA at property line | - |
| Nighttime (state) | ~51 dBA (10 PM–7 AM) | - |
| Meter Type | Type 2 or better | - |
| Contact | (708) 636-4400 | - |
| Residential Day | - | 61 dBA (state) |
| Residential Night | - | 51 dBA (state) |
| County Standard | - | Reasonableness test |
| State Code | - | 35 IAC Part 901 |
Highlighted rows indicate differences between cities.
Oak Lawn FAQ
Does Oak Lawn have a specific dBA limit for residential noise?
No. Oak Lawn uses a plainly-audible and reasonableness standard for residential noise rather than specific decibel limits.
What dB limit applies to commercial property in Oak Lawn?
State IPCB rules cap commercial/industrial noise at approximately 61 dBA daytime and 51 dBA nighttime at residential property lines.
Will Oak Lawn Police measure decibels at my noise complaint?
Not typically. Residential complaints are assessed by the plainly-audible test. Formal dB measurements are reserved for industrial/commercial IPCB cases.
Schaumburg FAQ
What are the decibel limits in Cook County?
Illinois EPA sets 61 dBA daytime and 51 dBA nighttime for residential areas statewide. Cook County's own Chapter 30 uses a reasonableness standard for enforcement.
How is noise measured for enforcement?
Measurements are taken at the property line of the receiving property. The state uses A-weighted decibel scale (dBA) as the standard measurement.
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