No person shall dump, deposit, throw away, scatter, or permit to be deposited or scattered, any garbage, refuse or waste material in the city, except at the disposal site established and maintained by the city for such purposes. All garbage and refuse material brought to the disposal site must be in covered containers or hauled in a covered vehicle. The sanitation superintendent is directed to study the problems involved in the city in the disposal of industrial waste and septic tank effluent or sewage waste from private sewage disposal systems and to recommend to the city council appropriate rules and regulations or proposed ordinances concerning the disposition of such material in the city. The sanitation superintendent is directed to cooperate with industry and with collectors of effluent from private sewage disposal systems. (Prior code § 10.53.040.)