For purposes of this chapter, "county" includes a city authorized to proceed under s. 74.87. Unless the context specifically indicates otherwise, all powers granted to counties by this chapter are granted to that city; all powers and duties granted to county governing bodies and officials are granted to the counterpart governing body and officials of that city; and all procedures and forms prescribed by this chapter as applicable to counties shall be applicable to that city, with the modifications necessary to retain substantial conformity with this chapter.
Wis. Stat. § 75.06