Wis. Stat. § 236.293: Restrictions for public benefit.

Any restriction placed on platted land by covenant, grant of easement or in any other manner, which was required by a public body or which names a public body or public utility as grantee, promisee or beneficiary, vests in the public body or public utility the right to enforce the restriction at law or in equity against anyone who has or acquires an interest in the land subject to the restriction. The restriction may be released or waived in writing by the public body or public utility having the right of enforcement.