§ 51.15 SURCHARGE ESTABLISHED.
   There is charged to each lot, parcel of land, building, or premises discharging sewage, industrial waste, water, or other liquids other than "normal sewage" either into the metropolitan sewage system, into a stream, or in a manner contrary to law, the surcharge established herein, in addition to the charge now or hereafter fixed for "normal sewage."
('73 Code, § 51.08)