Whenever the manager finds any sewer piping or sanitary fixture connected to a sewer to be insanitary, defective or dangerous, the manager may order the disconnection of city sewer service to the premises on which said defective piping or fixture is located until such condition is corrected. If sewer service is ordered disconnected pursuant to this section, the water service to the premises shall also be disconnected in order to prevent the accumulation of sewage on the premises. (Prior code § 9.01.027)