927.02 DEFINITIONS.

   For the purpose of this chapter, certain terms and words are defined as follows:

   (a)    "Sewage works" or "sewerage system" means all facilities for collecting, pumping, treating and disposing of sewage.

   (b)    "Service Director" means the Director of Public Service or his authorized deputy, agent or representative.

   (c)    "Sewage" or "wastes" means the water-carried wastes from residences, apartments, business buildings or properties, institutions and industrial establishments, singular or in any combination, which have no industrial wastes.

   (d)    "Public sewer" means a sewer owned or controlled by the City.

   (e)    "Sanitary sewer" means a public sewer which carries sewage and wastes and to which storm, surface and ground waters are not intentionally admitted.

   (f)    "Storm sewer" or "storm drain" means a public sewer and public ditch which carries storm and surface waters and drainage but excludes sewage and industrial wastes.

   (g)    "Sewage or wastewater treatment plant" means any arrangement of devices and structures used for treating sewage.

   (h)    "Normal domestic sewage" or "sanitary sewage" means sewage discharging from the sanitary conveniences of dwellings, including apartment houses and hotels, office buildings, factories or institutions, and free from storm, surface water and industrial wastes.

   (i)    "Garbage" means solid wastes from the preparation, cooking and dispensing of food and from the handling, storage and sale of produce, and such wastes shall be so shredded to a degree that all particles thereof will be carried freely under the flow conditions normally prevailing in public sewers and with no particle of such garbage or wastes greater than one-half inch in any dimension.

   (j)    "Industrial wastes" means the solid and liquid wastes from industrial processes, as distinct from normal domestic sewage or sanitary sewage.

   (k)    "B.O.D. " denoting Biochemical Oxygen Demand, means the quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five days at twenty degree C., expressed in milligrams per liter.

   (l)    "pH" means the logarithm of the reciprocal of the weight of hydrogen ions in grams per liter of solution.

   (m)    "Suspended solids" means solids that either float on the surface of, or are in suspension in water, sewage or other liquids and which are removable by laboratory filtering.

   (n)    "Natural outlet" means any point of discharge into a watercourse, pond, ditch, lake or other body of surface or ground water.

   (o)    "Person", "enterprise", "establishment", or "owner" means any individual, firm, company, association, society, corporation or group.

   (p)    "Shall" is mandatory; "may" is permissive.

   (q)    "City Engineer" referred to herein means the Consulting Engineer employed by the City.

   (r)    "Watercourse" means a channel in which a flow of water occurs, either continuously or intermittently.

   (s)    "City" means the City of Dover.

   (t)    "Sanitary sewer lateral" means the extension of the building sanitary sewer collection system from the exterior of the building to the public sanitary sewer.

   (u)    "Slug" means any discharge of water, wastewater or industrial waste which in concentration of any given constituent or in quantity of flow exceeds for any period of duration longer than fifteen minutes more than five times the average twenty-four hour concentration or flows during normal operation.

   (v)    "WWTP" is wastewater treatment plant.

   (w)    "NPDES Permit" is National Pollution Discharge Elimination System Permit.

   (x)    "Debt service charge" is the cost of payment of debt charges on bonds issued for extensions and improvements to the system.

   (y)    "Operation and maintenance charges" are the costs of personnel required to operate and maintain in working condition the various components of the system, the costs of utilities and chemicals needed for the operation of the various components of the system and the costs for materials, supplies, tools, services, etc. required for the maintenance of the various components of the system.

   (z)    "O and M" is operations and maintenance.

   (aa)   "Equipment replacement" is the cost of providing for the replacement of depleted or failed equipment used in the various components of the system.

   (bb)    "Sanitary sewer replacement" is the cost of providing for the replacement of depleted or failed sanitary sewers in the collection system.

   (cc)    "Sewer service charges" are the costs of operating and maintenance personnel, utilities, maintenance and equipment replacement required for the operation and maintenance of the sewer collection system.

   (dd)    "User charges" are the sewer charges and rates collected for the purpose of payment of the cost and expense of operating, maintaining, repairing and managing of the systems, of the cost of equipment or sanitary sewer replacement, the cost of expansion of the systems and the cost of debt service charges.

   (ee)    "User classes" is the term for the division of the users of the system, those who are connected to the sanitary sewers and discharge sewage or wastes into the sanitary sewers, into classifications according to which user charges and rates are levied. The classes are designated as follows:

      (1)    "Flat-rate residential users" are residential accounts who discharge normal domestic sewage into the sanitary sewers and whose residential water accounts are charged on a flat-rate basis.

      (2)    "Metered residential users" are residential accounts who discharge normal domestic sewage into the sanitary sewers and whose residential water accounts are charged on a metered basis.

      (3)    "Metered commercial, institutional and industrial users" are commercial, institutional and industrial accounts who discharge normal domestic sewage into the sanitary sewers and whose water accounts are charged on a metered basis. (Ord. 3-86. Passed 3-17-86.)