City zoning noise limits govern industry. Carmel caps industrial and agricultural districts (I-1, M-1, M-3, AG-1) at 70 dB(A) at all times, measured 50 feet from the source. Fishers applies its 115-decibel hard cap and 90-decibel device limit.
Industrial noise is set by each city's zoning-based noise chart, not a Hamilton County ordinance. Carmel City Code Sec. 6-158(a) allows 70 dB(A) at any time in industrial and agricultural districts (I-1, M-1, M-3, AG-1), measured at least 50 feet from the source, versus 50-60 dB(A) in residential and business zones. Fishers Code Sec. 98.02(A) sets a 115-decibel absolute ceiling for more than two minutes per hour at ten feet from the property line. Established businesses' customary, incidental sounds are exempted in Carmel under Sec. 6-158(b)(9).
Exceedances are infractions in Carmel ($250-$2,500) and Class C infractions in Fishers. City zoning and code enforcement respond to complaints.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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