§ 52.26 DEFINITIONS.
   For the purpose of this subchapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
   DENOTING BIOCHEMICAL OXYGEN DEMAND (BOD). The quantity of oxygen utilized in the biochemical oxidation of organic matter under standard laboratory procedure in five days at 20°C, expressed in milligrams per liter (mg/l).
   MAY. Is permissive.
   MULTI DWELLING UNIT (MDU or MULTI-FAMILY UNIT). A classification of housing where multiple separate housing units for residential inhabitants are contained within one building or several buildings within one complex. UNITS can be next to each other (side-by-side units), or stacked on top of each other (top and bottom units). A common form is an apartment building. Many intentional communities incorporate multi-family residences, such as in co-housing projects.
   NORMAL DOMESTIC WASTE WATER. Waste water that has a BOD concentration of not more than 250 mg/l and a suspended solids concentration of not more than 300 mg/l.
   OPERATION AND MAINTENANCE. All expenditures during the useful life of the treatment works for materials, labor, utilities, and other items which are necessary for managing and maintaining the sewage works to achieve the capacity and performance for which such works were designed and constructed.
   REPLACEMENT. Expenditures for obtaining and installing equipment, accessories, or appurtenances which are necessary during the useful life of the treatment works to maintain the capacity and performance for which such works were designed and constructed. The term OPERATION AND MAINTENANCE includes REPLACEMENT.
   RESIDENTIAL CONTRIBUTOR. Any contributor to the city’s treatment works whose lot, parcel of real estate, or building is used for domestic dwelling purposes only.
   SHALL. Is mandatory.
   SUSPENDED SOLIDS (SS). 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.
   TREATMENT WORKS. Any devices and systems for the storage, treatment, recycling, and reclamation of municipal sewage, domestic sewage, or liquid industrial wastes. These include intercepting sewers, outfall sewers, sewage collection systems, individual systems, pumping, power, and other equipment and their appurtenances; extensions, improvements, remodeling, additions, and alterations thereof; elements essential to provide a reliable recycled supply such as standby treatment units and clear well facilities; and any works, including site acquisition of the land that will be an integral part of the treatment process or is used for ultimate disposal of residues resulting from such treatment; or any other method or system for preventing, abating, reducing, storing, treating, separating, or disposing of municipal waste or industrial waste, including waste in combined storm water and sanitary sewer systems.
   USEFUL LIFE. The estimated period during which a treatment works will be operated.
   USER CHARGE. The portion of the total waste water service charge which is levied in a proportional and adequate manner for the cost of operation, maintenance, and replacement of the waste water treatment works.
   WATER METER. A water volume measuring and recording device furnished and/or installed by the city or furnished and/or installed by a user and approved by the city.
(Prior Code, § 715.020) (Ord. 222, passed 2-21-1984; Ord. 455, passed 10-14-2020)