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location_onIowa City, IA
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Iowa City, IA
Noise Ordinance Overview

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Official Decibel Limits

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Residential Day
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Residential Night
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"Iowa City's noise ordinance primarily uses a 'plainly audible' standard rather than specific decibel limits. A noise disturbance is defined as plainly audible across a real property line or 50 feet for over 30 continuous seconds."

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AI Executive Summary

Gemini AI

Iowa City, IA noise ordinances (City Code 6-4) prohibit noise disturbances plainly audible across a real property line or 50 feet for more than 30 continuous seconds. Specific restrictions apply to construction, loading/unloading near residential property, and amplified sound. The ordinance aims to prevent noises that unreasonably disturb public peace or safety. Violations can lead to warnings, civil infractions, or misdemeanor charges.

Specific Noise Restrictions

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Construction

Construction equipment operation is prohibited before 7:00 A.M. and after 10:00 P.M., unless a permit is obtained from the city engineer.

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Amplified Sound

No amplified sound is authorized in residential areas, except for events at churches or schools. For events in residential neighborhoods with amplified sound, contacting neighbors and the Iowa City Police Department (319-356-5275) is advised. In City Plaza, amplified sound requires a permit and is prohibited Monday through Friday from 8 a.m. to 12 p.m. and 1 p.m. to 5 p.m.

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Animals

Loud, raucous, disagreeable noises to the disturbance of the neighborhood or general public are unlawful, which includes animal noises.

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Vehicles

Operating a sound production device within a motorized vehicle is prohibited if plainly audible across a real property line or 50 feet, for more than 30 continuous seconds. Loading and unloading boxes, crates, containers, building materials, or garbage cans outdoors is prohibited between 10:00 P.M. and 6:00 A.M. across a residential property line. Unloading or handling garbage dumpsters is prohibited between 10:00 P.M. and 7:00 A.M. across a residential property line.

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