§ 51.02  DEFINITIONS.
   For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
   BACKFLOW. Water of questionable quality, wastes or other contaminants entering a public water supply system due to a reversal of flow or the flow of any foreign liquids, gasses or other substances into a potable water system from any source other than the intended one.
   CROSS-CONNECTION. A connection or arrangement of piping or appurtenances through which a backflow could occur.
   PUBLIC WATER or PUBLIC WATER SUPPLY. The water or water supply system of the Charter Township of Plymouth Water and Sewer Department.
   SAFE AIR GAP. The minimum distance of a water inlet or opening above the maximum high water level or overflow rim in a fixture, device or container to which public water is furnished which shall not be less than two times the inside diameter of the water inlet pipe but shall not be less than one inch and need not be more than 12 inches.
   SECONDARY WATER SUPPLY. A water supply system maintained in addition to a public water supply, including, but not limited to, water systems from ground or surface sources not meeting the requirements of state law, or water from a public water supply which in any way has been treated, processed or exposed to any possible contaminant or stored in other than an approved storage facility.
   SUBMERGED INLET. A water pipe or extension thereto from a public water supply terminating in a tank, vessel, fixture or appliance which may contain water of questionable quality, waste or other contaminant and which is unprotected against backflow.
   WATER UTILITY. A governmental unit, municipal or private corporation, association, partnership or individual engaged in furnishing water to the public for household or drinking purposes.
(Prior Code, § X-1.01)