A. Prohibited Discharges Generally. It is unlawful to discharge to any natural outlet within the city, or in any area under the jurisdiction of the city, any sewage or other polluted waters, except where suitable treatment has been provided in accordance with subsequent provisions of this chapter.

B. Surface Runoff or Groundwater Connections Prohibited. No person(s) shall make connection of roof downspouts, foundation drains, areaway drains, or other sources of surface runoff or groundwater to a building sewer or building drain which in turn is connected directly or indirectly to a public sanitary.

C. No person(s) shall discharge or cause to be discharged any unpolluted waters such as cooling water to any sewer. Unpolluted industrial cooling water or process waters may be discharged by special agreement approved by the sewer superintendent in accordance with rules of Montana department of environmental quality.

D. Private Sewage Haulers. It is unlawful to discharge any septic sludge or other sewage from private haulers into the city sewer system, including manholes, lift stations or directly at the sewer treatment plant, without a written agreement approved by the city. Such agreement may require an analysis of the sewage and the assessment of necessary fees. (Ord. 654 § 1(part), 2004)