There is hereby established as just and equitable charges, rates or rentals (referred to as rates) for the use of the service rendered by the sanitary utilities of each and every lot, parcel of real estate or building or premises be connected with and uses said sanitary facilities by or through any part of the sewage system of said city or that in any way uses or is served by said sewage treatment plant or otherwise discharges sanitary sewage, industrial waste, water or other liquid either directly or indirectly into the sewage system of said city in accordance with the schedule set forth in the following sections.