Noise Ordinances in Winnebago County, WI (2026)
6 county-level rules, plus city-specific rules for 1 city in Winnebago County, Wisconsin.
Verified from official government sources
Quiet Hours
Winnebago County has no general nighttime noise curfew, but at its Sunnyview Exposition Center campground it closes to non-campers at 10 p.m. and bars setting up or tearing down a camping unit between 11 p.m. and 6 a.m.
Winnebago County Campground Quiet Hours
Light RestrictionsWinnebago County Code Ch. 19 § 19.23(2)(i) (Camping, Overnight Mooring)
The campground is closed to non-campers between 10:00 p.m. and 7:00 a.m. All visitors must leave the campground by 10:00 p.m. During closed hours, campers must be in or be in route to their campsite. No camping party may set up or take down a camping unit between the hours of 11:00 p.m. and 6:00 a.m. ...
Construction Hours
In unincorporated Winnebago County towns under the town/county zoning code, equipment that loads, moves, or processes an earth materials stockpile in a residential district may run only 7 a.m. to 7 p.m. No hour limit applies outside a residential district.
Earth-Stockpile Noise Hours in Winnebago County
Some RestrictionsWinnebago County Code Ch. 23 § 23.8-503(a)
(a) Hours of operation. When the earth materials stockpile is located in a residential zoning district, equipment used to load, move, or process materials shall only be used between the hours of 7:00 a.m. and 7:00 p.m. (b) Term of use. As part of the site and operation plan review, the reviewing authority may establish the maximum length of time this use may operate. 12/04/2024 ...
Amplified Music & Outdoor Sound
Winnebago County zoning treats outdoor entertainment venues like race tracks, motocross courses, and sports arenas as a distinct land use: the zoning reviewing authority can set hours of operation to curb the noise impact, and the site itself must be designed to minimize noise on neighboring properties.
Winnebago County Outdoor Entertainment Noise Rules
Some RestrictionsWinnebago County Code Ch. 23 § 23.8-345
23.8-345 Outdoor entertainment (a) Hours of operation. The reviewing authority may establish hours of operation for this use when the operation may negatively affect surrounding properties. (b) Site design considerations. The site shall be designed to minimize the effects of outdoor lighting and noise on surrounding properties.
Aircraft Noise
New homes built in Winnebago County's Wittman Regional Airport Traffic Pattern (Air-3) District must add 5 decibels of extra noise reduction beyond the state building code, certified by a licensed architect or engineer before occupancy.
Winnebago County New-Home Noise Reduction Rule
Some RestrictionsWinnebago County Code Ch. 24 § 24.5-4(b) (Wittman Regional Airport Zoning Code, Art. 5 — Land Use)
All new residential buildings shall be designed and constructed to provide a minimum of five (5) decibels extra noise reduction over the minimum standards contained in the state building codes. Certification of this requirement shall be provided by a registered architect or engineer who is licensed in the State of Wisconsin at the time of permit application up to and including the day after ...
Decibel Limits
Winnebago County's zoning code caps nighttime noise from truck-stop parking and activity areas at 60 decibels, dB(A), measured at the property line of any adjoining residential zoning district between 10 p.m. and 7 a.m.
Winnebago County Truck Stop Noise Limit
Some RestrictionsWinnebago County Code Ch. 23 § 23.8-292(e)
(e) Location of parking areas. Areas designated or used for truck parking and other similar activity areas shall be designed and located so that noise levels at the property boundary line of a property in a residential zoning district do not exceed 60 decibels as measured on a dB(A) scale between the hours of 10:00 p.m. and 7:00 a.m.
Vehicle Noise
Winnebago County requires any motor vehicle driven on the frozen surface of an inland lake to run a working muffler, capping stationary exhaust and engine noise at 96 decibels under SAE Standard J1287.
Winnebago County Ice-Lake Vehicle Muffler Rule
Some RestrictionsWinnebago County Code Ch. 9 § 9.36(5)(f)
No person shall operate a motor vehicle on the frozen surface of an inland lake unless it is equipped with a muffler in good working order. If not already regulated by Wisconsin Statute, while in stationary operation exhaust and overall engine noise levels shall not exceed 96 decibels as measur...
Noise Ordinances by City in Winnebago County
1 cities in Winnebago County have their own noise ordinances rules. Each link goes to that city's dedicated page with code citations.
All Winnebago County ordinances
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