Industrial Noise: Grand Rapids vs Kentwood
How do industrial noise 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 industrial-noise limit; your city or township does through zoning. In Grand Rapids' light-industrial districts, sound at the boundary of a residence, business, or commercial district may not exceed the ordinance's octave-band decibel limits.
View full Grand Rapids rules →Kentwood, MI
Kent County
Kent County sets no industrial-noise limit; your city or township does through zoning. In Grand Rapids' light-industrial districts, sound at the boundary of a residence, business, or commercial district may not exceed the ordinance's octave-band decibel limits.
View full Kentwood rules →Key Facts Comparison
| Fact | Grand Rapids | Kentwood |
|---|---|---|
| Who sets it | Your city or township zoning | Your city or township zoning |
| GR I-1 measured at | Residence/business district boundary | Residence/business district boundary |
| GR I-2 measured at | Boundary or 125 ft from plant | Boundary or 125 ft from plant |
| 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)-(12) | GR Sec. 9.63(11)-(12) |
Highlighted rows indicate differences between cities.
Grand Rapids FAQ
How is factory noise limited in Kent County?
Through each city's zoning noise standards, not the county. Grand Rapids caps sound at residential and commercial district boundaries by octave-band decibel limits (Sec. 9.63(11)-(12)).
Where is industrial noise measured?
In Grand Rapids, at the boundary of a residence, business, or commercial district for light-industrial sites, and at the boundary or 125 feet from the plant, whichever is greater, for heavy-industrial sites.
Kentwood FAQ
How is factory noise limited in Kent County?
Through each city's zoning noise standards, not the county. Grand Rapids caps sound at residential and commercial district boundaries by octave-band decibel limits (Sec. 9.63(11)-(12)).
Where is industrial noise measured?
In Grand Rapids, at the boundary of a residence, business, or commercial district for light-industrial sites, and at the boundary or 125 feet from the plant, whichever is greater, for heavy-industrial sites.
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