All sewer systems and sewage treatment shall meet the minimum standards of the city, the city-county health department and the Montana Department of Environmental Quality. Plans or the sewer system shall be submitted to and reviewed by the Columbia Falls public works department. The plans shall be approved by the city council upon the recommendation of the public works department. A copy of the proposed sewer system plan(s) shall be forwarded to the tri-city planning office. (Ord. 649 § 2(part), 2003; Ord. 588 § 1(part), 1996)