Quiet hours in Milwaukee County, WI β also called the noise ordinance, nighttime noise rules, or residential quiet time β define the hours during which excessive noise is prohibited.
Milwaukee County has no countywide quiet-hours ordinance because every parcel lies within an incorporated city or village (10 cities, 9 villages, no towns). Noise rules are set municipally. The City of Milwaukee defines 'night' as 9:00 p.m. to 7:00 a.m. under MCO Chapter 80, Subchapter 2 (Noise Control), with refuse collection prohibited within 200 feet of residences from 10:00 p.m. to 7:00 a.m. and lawn equipment restricted before 8:00 a.m. Wauwatosa addresses noise in Municipal Code Chapter 7.46. Wisconsin's disorderly-conduct statute (Wis. Stat. sec. 947.01) is the backstop for unreasonable noise.
Milwaukee County General Ordinances do not set a countywide noise standard for residential quiet hours - all land in the county is incorporated, so each city or village adopts its own noise rules under home-rule authority granted by Wis. Stat. sec. 62.23 (city zoning) and sec. 61.35 (village zoning). City of Milwaukee Code of Ordinances Chapter 80, Subchapter 2 ('Noise Control') is the primary framework for the largest jurisdiction. Sound from radios, televisions, musical instruments, or other sound-producing devices is declared a nuisance when audible at a distance greater than 50 feet from the source and disturbs the peace, quiet, or comfort of neighbors. The City defines 'day' as 7:00 a.m. to 9:00 p.m. and 'night' as 9:00 p.m. to 7:00 a.m. Power lawn mowers, chain saws, and similar equipment cannot be operated before 8:00 a.m. in residential areas. Trash compacting and refuse collection are prohibited from 10:00 p.m. to 7:00 a.m. when within 200 feet of a residential premises (city sanitation operations are excepted). Repeat violators may have sound-producing devices impounded. Wauwatosa regulates noise under Chapter 7.46 of its Municipal Code, with parallel restrictions on commercial refuse collection within 200 feet of residential zones between 9:00 p.m. and 7:00 a.m. West Allis and the smaller villages (Shorewood, Whitefish Bay, Brown Deer, Greendale, etc.) each maintain their own noise chapters - check the local code before assuming a single county standard. Wis. Stat. sec. 947.01 (disorderly conduct) authorizes any Wisconsin officer to cite unreasonably loud or disturbing conduct as a Class B misdemeanor.
City of Milwaukee noise nuisance violations under MCO Chapter 80 carry forfeitures (typical range $150-$500 plus court costs) and can escalate to impoundment of the offending device on repeat citations. Wisconsin disorderly-conduct charges under sec. 947.01 are Class B misdemeanors punishable by up to 90 days in jail and a $1,000 fine. Construction or refuse-collection activity outside permitted hours is enforced by the local police department and the Department of Neighborhood Services in Milwaukee.
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