Wis. Stat. § 254.58
Section 95.72 may not be construed as depriving any city or village from enacting any ordinance prohibiting the rendering of dead animals within the boundaries specified in s. 66.0415, as nullifying any existing law or ordinance prohibiting the rendering of dead animals within the area or as prohibiting any city or village from licensing, revoking the license, and regulating the business of rendering and transporting dead animals under sanitary conditions no less stringent than provided under s. 95.72 and the rules of the department of agriculture, trade and consumer protection. Any licensing and regulation by a city or village is supplementary to the provisions of this section and the rules of the department and may not be construed as excusing or justifying any failure or neglect to comply with this section and the rules of the department. Section 95.72 shall be expressly construed as modifying the powers granted to towns and any city, village or town may take any action permitted under s. 254.59, may institute and maintain court proceedings to prevent, abate or remove any human health hazards under s. 254.59 and may institute and maintain any action under ss. 823.01, 823.02 and 823.07.
Wis. Stat. § 254.58