Industrial Noise: Rockville vs Takoma Park
How do industrial noise rules compare between Rockville, MD and Takoma Park, MD?
Rockville has fewer restrictions than Takoma Park.
Rockville, MD
Montgomery County
Industrial noise in Rockville is regulated under MoCo Code Chapter 31B. Industrial limits are 75 dBA day, 70 dBA night. Equipment running 24 hours must meet the nighttime standard.
View full Rockville rules →Takoma Park, MD
Montgomery County
Industrial and commercial noise in Takoma Park must meet the same residential decibel limits as all other sources: 65 dBA daytime and 55 dBA nighttime at the receiving property. Takoma Park is primarily residential with limited commercial zones along major corridors. Montgomery County Code 31B also provides concurrent enforcement authority.
View full Takoma Park rules →Key Facts Comparison
| Fact | Rockville | Takoma Park |
|---|---|---|
| Industrial Day | 75 dBA maximum | - |
| Industrial Night | 70 dBA maximum | - |
| Commercial Day | 67 dBA maximum | - |
| Commercial Night | 62 dBA maximum | - |
| Enforcement | MoCo DEP | City + MoCo DEP concurrent |
| Daytime Limit | - | 65 dBA at property line |
| Nighttime Limit | - | 55 dBA at property line |
| Ambient Rule | - | Ambient + 3 dBA if higher |
Highlighted rows indicate differences between cities.
Rockville FAQ
What noise limits apply to businesses along the I-270 corridor?
Commercial properties must stay below 67 dBA daytime and 62 dBA nighttime at their property line. If an industrial or commercial property borders a residential zone, the stricter residential limits of 65/55 dBA apply.
Do HVAC systems need to meet noise standards?
Yes. All mechanical equipment including HVAC systems must comply with the applicable noise limits for the receiving property type. Equipment running 24 hours must meet the nighttime standard continuously.
Takoma Park FAQ
What are industrial noise limits in Takoma Park?
Industrial and commercial sources must meet the same residential limits: 65 dBA daytime and 55 dBA nighttime, measured at the receiving property boundary.
Who enforces industrial noise complaints?
Both Takoma Park Code Enforcement and the Montgomery County Department of Environmental Protection have concurrent authority to enforce noise standards.
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