Local special purpose districts (SPDs) are created to carry out a single function. Despite their limited scope, SPDs can have a sizable impact on individuals, communities, and entire regions. Wisconsin currently has over 1,100 SPDs. Examples of SPDs in Wisconsin include metropolitan sewerage districts [ch. 200, Stats.], town sanitary districts [subch. IX, ch. 60, Stats.], drainage districts [ch. 88, Stats.], mosquito control districts [s. 59.70 (12) to (16), Stats.], regional planning districts [s. 66.0309. Stats.], and inland land protection and rehabilitation districts [subch. IV, ch. 33, Stats.]. This issue brief provides an overview of those districts and their creation, dissolution, membership, powers, and duties.