Wis. Stat. § 95.99: Penalties.

(1) Any person who violates this chapter, or an order issued or a rule adopted under this chapter, for which a specific penalty is not prescribed shall, for the first offense, be fined not more than $1,000; and for any subsequent offense fined not less than $500 nor more than $1,000, or imprisoned not more than 6 months or both.

(2) The department may seek an injunction restraining any person from violating this chapter or any rule promulgated under this chapter.

(3) A person who violates this chapter or any rule promulgated or order issued under this chapter, for which a specific penalty is not prescribed, may be required to forfeit not less than $200 nor more than $5,000 for the first offense and may be required to forfeit not less than $400 nor more than $5,000 for the 2nd or subsequent offense committed within 5 years of an offense for which a penalty has been assessed under this section. A forfeiture under this subsection is in lieu of a criminal penalty under sub. (1).