Wis. Stat. § 196.665: Unlawful combinations, trusts.

(1) The state may take possession of any dam maintained under a permit granted under s. 31.06 or 31.08 by proceedings instituted by the commission if the dam:

(a) Is owned, leased, trusteed, possessed or controlled in any manner that makes it form a part of or in any way effect an unlawful combination.

(b) Is controlled by any combination in the form of an unlawful trust.

(c) Forms the subject of any contract or conspiracy to limit the output of any hydraulic or hydroelectric power derived from the dam.

(2) In proceedings under this section, the members of the commission shall be appointed to act as receivers during a period of time to be determined by the court.