Mo. Rev. Stat. § 701.033: Department of health and senior services — powers and duties — rules, procedure.

1. The department shall have the power and duty to:

(1) Promulgate such rules and regulations as are necessary to carry out the provisions of sections 701.025 to 701.059;

(2) Cause investigations to be made when a violation of any provision of sections 701.025 to 701.059 or the on-site sewage disposal rules promulgated under sections 701.025 to 701.059 is reported to the department;

(3) Enter at reasonable times and determining probable cause that a violation exists, upon private or public property for the purpose of inspecting and investigating conditions relating to the administration and enforcement of sections 701.025 to 701.059 and the on-site sewage disposal rules promulgated under sections 701.025 to 701.059;

(4) Authorize the trial or experimental use of innovative systems for on-site sewage disposal, after consultation with the staff of the Missouri clean water commission, upon such conditions as the department may set;

(5) Provide technical assistance and guidance to any other administrative authority in the state on the regulation and enforcement of standards for individual on-site sewage disposal systems, at the request of such other administrative authority, or when the department determines that such assistance or guidance is necessary to prevent a violation of sections 701.025 to 701.059.

2. No rule or portion of a rule promulgated under the authority of sections 701.025 to 701.059 shall become effective unless it has been promulgated pursuant to the provisions of section 536.024.