Mo. Rev. Stat. § 245.525
It shall be unlawful for the owner of any livestock to allow the same to use and run upon any levee erected under the provisions of sections 245.285 to 245.545, or to herd any livestock upon said levee during overflows or high water; and whenever in the judgment of the inspectors of the levee, any livestock are likely to endanger the levee under their charge, the inspector of the section of levee where such damage is threatened shall notify the owner of such livestock liable to do such damage, and require him to remove such livestock; and every such owner who, after such notice, shall neglect or refuse to confine his or her stock, and keep them off the levees, shall pay a fine not less than twenty-five dollars nor more than one hundred dollars for each and every act of disobedience to such notice, to be recovered at the suit of the inspector or his successor in office, in any court of competent jurisdiction; and the amount recovered and collected shall be paid into the county treasury to the credit of the levee fund of the district.
§ 245.525, RSMo