643.250.  Entry by department on public or private property for regulation purposes — refusal to allow grounds for revocation or injunctions, violations of regulations, penalties. — 1.  Any authorized representative of the department may enter at all reasonable times, in or upon public or private property for purposes required under sections 643.225 to 643.250.  In addition to any other remedy provided by law, refusal to allow such entry shall be grounds for revocation of registration or injunctive relief.

  2.  Any person who knowingly violates sections 643.225 to 643.250, or any rule promulgated thereunder, shall, upon conviction, be punished by a fine of not less than twenty-five hundred dollars nor more than twenty-five thousand dollars per day of violation, or by imprisonment for not more than one year, or both.  Second and successive convictions of any person shall be punished by a fine of not more than fifty thousand dollars per day of violation, or by imprisonment for not more than two years, or both.

  3.  Any person who violates any provision of sections 643.225 to 643.250 may, in addition to any other penalty provided by law, incur a civil penalty in an amount not to exceed ten thousand dollars for each day of violation.  The civil penalty shall be in an amount to constitute an actual and substantial economic deterrent to the violation for which the civil penalty is assessed.

  4.  Notwithstanding the existence or pursuit of any other remedy provided by sections 643.225 to 643.250, the commission may maintain, in the manner provided by chapter 536, an action in the name of the state of Missouri for injunction or other process against any person to restrain or prevent any violation of the provisions of sections 643.225 to 643.250.