As used in this article, the following terms shall mean and include:
As used in relation to the term "sewer system," all lateral sewers or all branch sewers or all interceptor sewers or all trunk sewers and any sewage treatment and disposal works, each part with necessary appurtenances including pumping stations.
Any nonpotable liquid waste, usually containing animal or vegetable matter, in suspension or solution, and which may include industrial wastes and/or liquids containing chemicals.
Residential service units shall be determined as follows:
Nonresidential service units shall be determined as follows: All types of structures connected with or served by the sanitary sewer system or any part or parts thereof, and not described in Subsection A, including but not limited to schools, churches, institutions, colleges, universities, motels, country clubs, social clubs, stores and commercial and industrial properties, shall constitute that number of service units rounded to the nearest tenth as determined by dividing the annual water consumption on said premises by 60,000 gallons. Such premises containing separate offices or spaces representing different businesses, ventures or enterprises shall constitute a minimum of one service unit per each office space.
A single-family dwelling connected with or served by the sanitary sewer system or any part or parts thereof shall constitute one service unit.
Residential structures connected with or served by the sanitary sewer system or any part or parts thereof and occupied or designed to be occupied by two or more families, including two-family and multifamily dwellings and apartments, apartment houses, condominiums and such, shall consist of one service unit for each apartment or living quarters for a separate family unit contained in or on such premises. In the event that such premises also contains space not used for residence purposes, additional service units shall be determined in accordance with the provisions for calculating nonresidential service units.
A scale of annual charges established and imposed in the sewer districts for the use of the sewer system or any part or parts thereof.
All sewer pipes and other appurtenances which are used or useful in whole or in part in connection with the collection, treatment or disposal of sanitary sewage, commercial, institutional and industrial waste and other wastes and which are owned, operated or maintained by the sewer districts in the town, including any sewage treatment and disposal works, each part thereof with necessary appurtenances and pumping stations.