Missouri Revised Statutes § 640.725

*640.725. Inspection of facility, when, records retention period — automatic shutoff system required. — 1. The owner or operator of any flush system animal waste wet handling facility shall employ one or more persons who shall once per week visually inspect the gravity outfall lines, recycle pump stations, recycle force mains, and appurtenances for any release to any containment structure required by section 640.730. The owner or operator shall also visually inspect once per day any lagoon whose water level is less than twelve inches from the emergency spillway. The owner or operator of the facility shall keep records of each inspection. Such records shall be retained for three years. The department shall provide or approve a form provided by the owner or operator for each facility for such inspections. 2. All new construction permits for flush system animal waste wet handling facilities shall have an electronic or mechanical shutoff of the system in the event of pipe stoppage. As of July 1, 1997, all existing flush system animal waste wet handling facilities shall have, at a minimum, an electronic or mechanical shutoff of the system in the event of pipe stoppage or backflow. (L. 1996 H.B. 1207, A.L. 2013 H.B. 28 merged with H.B. 542 merged with H.B. 650) Effective 8-28-13 (H.B. 28); 8-28-13 (H.B. 542); 10-11-13 (H.B. 650) *H.B. 650 effective 10-11-13, see § 21.250. H.B. 650 was vetoed July 12, 2013. The veto was overridden on September 11, 2013.