Industrial Noise: Cambridge vs Somerville
How do industrial noise rules compare between Cambridge, MA and Somerville, MA?
Somerville has fewer restrictions than Cambridge.
Cambridge, MA
Middlesex County
Cambridge enforces strict industrial and commercial noise limits: 60 dB days and 50 dB nights at residential property lines, aligned with MassDEP Policy 90-001.
View full Cambridge rules →Somerville, MA
Middlesex County
Somerville regulates industrial and commercial noise through its noise ordinance, zoning buffers, and special permit conditions, with a plainly-audible standard at residential property lines.
View full Somerville rules →Key Facts Comparison
| Fact | Cambridge | Somerville |
|---|---|---|
| Daytime Limit | 60 dBA at property line | - |
| Nighttime Limit | 50 dBA at property line | - |
| Tonal/Impulse Penalty | Additional 5 dBA | - |
| State Policy | MassDEP 90-001 | - |
| New Facilities | Noise analysis required | - |
| Governed by | - | Noise ordinance + zoning |
| Industrial districts | - | Inner Belt, Boynton Yards |
| Property-line standard | - | Plainly audible threshold |
| Fines from | - | 300 dollars |
| Enforcement | - | Inspectional Services, Planning |
Highlighted rows indicate differences between cities.
Cambridge FAQ
How is industrial noise measured in Cambridge?
With a Type 1 or Type 2 sound level meter at the nearest residential property line, typically averaged over 10 minutes.
Who enforces lab and biotech noise in Kendall Square?
Cambridge Inspectional Services handles most complaints, with MassDEP backup for cases exceeding local thresholds.
Somerville FAQ
Are decibel limits written into permits?
Frequently yes. Special permits in transitional districts often include specific dBA caps and time windows as conditions of approval.
Who handles MBTA rail noise complaints?
Rail operations are primarily federal and state; complaints go to MBTA Customer Service, with the city advocating through the Community Working Group.
Compare other topics
See how Cambridge and Somerville compare on other ordinance categories.
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