Wis. Stat. § 30.053: Applicability of chapter to artificial water bodies and certain impoundments.

(1) Except in subch. V and except as specifically provided otherwise in this chapter, nothing in this chapter applies to an artificial water body, as defined in s. 30.19 (1b) (a), that is not hydrologically connected to a natural navigable waterway and that does not discharge into a natural navigable waterway except as a result of storm events.

(2) Except in subch. V and s. 30.10 (2) (b), nothing in this chapter applies to an impoundment described under s. 30.10 (2) (b) if the impoundment is not hydrologically connected to a stream classified by the department on March 30, 2018, as a class I, class II, or class III trout stream and the impoundment does not discharge directly into a natural navigable waterway.