1. A person violating a provision of this chapter or any rule adopted pursuant to this chapter shall be subject to a civil penalty of at least one hundred dollars but not more than one thousand dollars. The proceeding to assess a civil penalty shall be conducted as a contested case proceeding under chapter 17A.
2. In addition to any other remedies provided, the department may file a petition in the district court seeking an injunction restraining any person from violating provisions of this chapter including a rule adopted pursuant to this chapter.
3. This section does not prevent a person from commencing a civil cause of action based on any right that the person may assert under statute or common law.