All sewer systems of every business, residence or other property within the city shall be connected to the Custer City sewage treatment system. Cesspools, septic systems and drop toilets are specifically prohibited. All sewer connections shall be in accordance with the ordinances of the city and shall be approved by the public works director. (Ord. 603 (part), 2004: Ord. 349, 1990: prior code § 5-110)