It is the duty of the state health officer to enforce the provisions of this chapter, and for that purpose the investigators, inspectors, representatives, and agents of the state department of health shall have the full power and authority of peace officers in this state, and shall have the power and authority to administer oaths, to enter upon premises at all times for the purpose of making inspections, to seize evidence, to interrogate all persons, and to require the production of books, papers, documents, or other evidence. The state health officer may institute, in its own name, proceedings to enjoin and restrain violations of this chapter, regardless of whether the defendant has been convicted of violation of the penal provisions thereof, and may not be required to pay any costs or filing fees or furnish any bond in connection therewith.