Neither Rock County nor Wisconsin sets a leaf-blower decibel limit or time restriction. Leaf-blower noise is governed by local nuisance rules. In Janesville, it must not become 'unnecessary and annoying noise' under section 9.42.020.
Rock County has no ordinance targeting leaf blowers, and Wisconsin has no statewide leaf-blower law. Enforcement is entirely local and nuisance-based. In Janesville, gas or electric blower use falls under the general prohibition on 'unnecessary and annoying noise' in Municipal Code 9.42.020; there is no separate daytime-only window published for lawn equipment. Beloit and the towns similarly rely on nuisance provisions rather than dedicated blower rules. If blower noise is early, prolonged, or aimed at a neighbor, it can be reported as a nuisance or, in extreme cases, disorderly conduct under Wis. Stat. 947.01.
A nuisance-noise citation in Janesville generally carries a $25 to $500 forfeiture plus prosecution costs. Repeat disturbance can be escalated to a disorderly-conduct complaint.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Janesville, WI
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See how Janesville's leaf blower rules rules stack up against other locations.
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