5a. Update on-site septic regulations

58 obnoxious gases, or create a condition deleterious to structures and treatment process. 5. If any waters or wastes are discharged, or are proposed to be discharged to the public sewers, which waters contain the substances or possesses the characteristics enumerated in Section 4 of this Article, and which in the judgment of the Superintendent, may have a deleterious effect upon the wastewater facilities, processes equipment, or receiving waters, or which otherwise create a hazard to life or constitute a public nuisance, the Superintendent may: a) Reject the wastes, b) Require pretreatment to an acceptable condition for discharge to the public sewers, c) Require control over the quantities and rates of discharge, and/or d) Require payment to cover the added costs of handling and treating the wastes not covered by sewer charges under the provisions of Section II of this Article. If the superintendent permits the pretreatment or equalization of waste flows, the design and installation of the plant and equipment shall be subject to the review and approval of the Superintendent and the North Dakota State Health Department and Consolidated Laboratories. 6. Grease, oil, and sand interceptors shall be provided when, in the opinion of the Superintendent, they are necessary for the proper handling of liquid wastes containing floatable grease in excessive amounts as specified in Section 4 (c), or any flammable wastes, sand, or other harmful ingredients; except that such interceptors shall not be required for private living quarters or dwelling units. All interceptors shall be of a type and capacity approved by the North Dakota Plumbing Code and shall be located as to be readily and easily accessible for cleaning and inspection. In the maintaining of these