Mo. Rev. Stat. § 140.640

Nothing in this chapter contained shall be construed to authorize a personal judgment against any owner of any land or lot, or of any interest therein, for any real estate tax levied and/or assessed against such land or lot, nor shall this law be so construed as to change in any manner whatsoever the method or mode now or that may hereafter be provided by law for the collection of drainage and/or levee assessments, or other special assessments.