Decibel Limits: Grand Rapids vs Kentwood
How do decibel limits rules compare between Grand Rapids, MI and Kentwood, MI?
Grand Rapids and Kentwood have similar restriction levels.
Grand Rapids, MI
Kent County
Kent County sets no countywide decibel limit; your city or township does. Grand Rapids uses octave-band and A-weighted sound-pressure limits along zoning-district boundaries, with nighttime (10 p.m.-7 a.m.) limits 7 dB lower than daytime steady-noise limits.
View full Grand Rapids rules →Kentwood, MI
Kent County
Kent County sets no countywide decibel limit; your city or township does. Grand Rapids uses octave-band and A-weighted sound-pressure limits along zoning-district boundaries, with nighttime (10 p.m.-7 a.m.) limits 7 dB lower than daytime steady-noise limits.
View full Kentwood rules →Key Facts Comparison
| Fact | Grand Rapids | Kentwood |
|---|---|---|
| Who sets it | Your city or township | Your city or township |
| GR residential monitor level | 55 dB(A) daytime | 55 dB(A) daytime |
| GR business level | 62 dB(A) daytime | 62 dB(A) daytime |
| Nighttime reduction | 7 dB lower, 10 p.m.-7 a.m. | 7 dB lower, 10 p.m.-7 a.m. |
| Citation | GR Sec. 9.63(11) | GR Sec. 9.63(11) |
Highlighted rows indicate differences between cities.
Grand Rapids FAQ
What is Kent County's decibel limit?
There is no county-wide limit. Grand Rapids uses octave-band limits with 55 dB(A) residential and 62 dB(A) business monitoring values, dropping 7 dB at night. Other municipalities set their own.
Are nighttime noise limits lower?
In Grand Rapids, yes. Sec. 9.63(11) requires nighttime sound-pressure levels from 10 p.m. to 7 a.m. to be 7 dB lower than the daytime steady-noise limits for each frequency band.
Kentwood FAQ
What is Kent County's decibel limit?
There is no county-wide limit. Grand Rapids uses octave-band limits with 55 dB(A) residential and 62 dB(A) business monitoring values, dropping 7 dB at night. Other municipalities set their own.
Are nighttime noise limits lower?
In Grand Rapids, yes. Sec. 9.63(11) requires nighttime sound-pressure levels from 10 p.m. to 7 a.m. to be 7 dB lower than the daytime steady-noise limits for each frequency band.
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