Mo. Rev. Stat. § 361.1026

The director may assess a civil penalty against a person that violates sections 361.900 to 361.1035 or a rule adopted or an order issued under sections 361.900 to 361.1035 in an amount not to exceed one thousand dollars per day for each day the violation is outstanding, plus this state's costs and expenses for the investigation and prosecution of the matter, including reasonable attorney's fees.