For the purposes of this chapter, the words set out in this section shall have the following meanings:
PREMISES. A lot, parcel of land, building or establishment.
SEWAGE. Either or both of the following:
(1) Domestic sewage, defined as a combination of liquid or water-carried human waste conducted away from the residences, business buildings, institutions; and/or
(2) Industrial waste, defined as liquid or water-carried waste resulting from a manufacturing process employed in industrial establishments including the washing, cleaning, or drain water from such process.
(`83 Code, § 13.08.020)