(1) All sewage, including liquid waste, must be disposed of by a public sewerage system or by a sewage disposal system constructed and operated in accordance with Title 75, chapter 6, MCA, and ARM Title 17, chapter 38, subchapter 1, plans for public water and wastewater systems.

(2) The department hereby adopts and incorporates by reference the rules in ARM Title 17, chapter 38, subchapter 1, which set construction and operation standards for public sewerage systems. A copy of ARM Title 17, chapter 38, subchapter 1, may be obtained from the Department of Environmental Quality, P.O. Box 200901, Helena, Montana, 59620-0901.