§ 54.01 DEFINITIONS.
   For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
   STWUD. The Stormwater Utility Division of the city, or any duly authorized officials acting in its behalf.
   ERU (EQUIVALENT RESIDENTIAL UNIT). The estimated average square footage of impervious area of a single-family residential property inside the city, equals to 2,300 square feet. This is the unit to which the base rate is applied and may periodically be adjusted based on changing conditions in the city.
   IMPERVIOUS AREA. Surface areas of residential and non-residential properties, which water will not penetrate and from which stormwater runoff will be produced. This includes, but is not limited to, rooftops, sidewalks, parking lots, pavements, concrete and asphalt, and compacted gravel.
   MULTI-FAMILY RESIDENTIALLY DEVELOPED PROPERTY. All tracts of real property either zoned or developed for residential use intended for occupancy by more than one family per residential structure (e.g., apartment houses with two or more units under a single roof).
   NON-RESIDENTIAL DEVELOPED PROPERTY. All tracts of real property either zoned or developed for (i) commercial uses, (ii) non-profit non- residential uses (e.g., governmental organizations, churches, and fraternal organizations), and (iii) industrial uses.
   NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES). A federal water quality permit issued to most urban cities and counties in the United States defining six minimum control measures that each local government must comply with or face serious fines and penalties.
   SFR (SINGLE-FAMILY RESIDENTIAL) DEVELOPED PROPERTY. All tracts of real property with improvements intended for occupancy by one family for residential purposes (i.e., single-family homes), regardless of the number of sewer taps and fees it incurs.
   STORMWATER SYSTEM. A system of constructed and naturally occurring above ground and below ground facilities or infrastructure intended to collect, treat, convey, and otherwise manage runoff from rain, snow, and other precipitation including, but not limited to, drains, inlets, conduits, culverts, storm sewers, manholes, pump stations, channels, ditches, swales, drainage easements, retention and detention basins, infiltration facilities, constructed best management practices (BMP’s), lakes, ponds, streams, creeks, rivers and other related components.
   VACANT/UNIMPROVED PROPERTY. All tracts of real property that are wholly vacant and unimproved (no impervious area), regardless of the zoning classification assigned to the property or the uses permitted thereon by applicable law, rules and regulations.
(Ord. 13-2014, passed 5-13-14)