Wisconsin Statutes Floods and Drainage (Ch. 87 to 89) § 88.785. Certain annexations prohibited

(1) Notwithstanding ss. 88.34, 88.77, and 88.78, no lands that are within the corporate limits of a city, a village, or, if the town has a permit for storm water management under s. 283.33, a town may be included in a newly organized drainage district or annexed to a drainage district unless the governing body of the city, village, or town adopts a resolution approving the inclusion or annexation.

(2) Notwithstanding ss. 88.77 and 88.78, no lands that are located in a county in which no portion of the drainage district is located may be annexed to a drainage district.