The collection and disposal of garbage, trash and refuse and other solid waste is hereby declared to be a Municipal function of the City as a protection of the public health. The police powers of the City shall be invoked when necessary for the enforcement of this chapter. In addition, the City may collect and dispose of refuse, as it deems necessary; provided, that such disposal shall be an approved method of incineration (not open burning) or by landfill and daily cover. (1991 Code § 16-50)