2 rules for unincorporated Rock County, Wisconsin.
Verified from official government sources
Rock County has no general dark-sky lighting ordinance, and neither does the City of Janesville. Outdoor lighting is mainly addressed through zoning conditions and shoreland standards, not a county-wide dark-sky code.
Rock County has no county-wide light-trespass ordinance. Glare or spillover from a neighbor's outdoor lights is generally handled as a private nuisance, or under any lighting rule your specific town or city has adopted.
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