§ 51.01  DEFINITIONS.
   For the purpose of this chapter, the following definitions shall apply; words used in the singular shall include the plural, and the plural, the singular; words used in the present tense shall include the future tense. The word SHALL is mandatory and not discretionary. The word MAY is permissive. Words not defined herein shall be construed to have the meanings given by common and ordinary use as defined in the latest edition of Webster’s Dictionary.
   APPROVED PLANS. Plans approved by the town according to a permits and plan review which will govern all improvements made within the town that require a storm water system or changes or alterations to the existing storm water system.
   DEVELOPED PROPERTY. Any lot or parcel of land altered from its natural state by the construction, creation or addition of impervious area, except public rights-of-way.
   EQUIVALENT RUNOFF UNIT (ERU). A residential unit of property equivalent. For nonresidential properties, an ERU is equal to 3,170 square feet of impervious area.
   IMPERVIOUS AREA. Any part of any developed property that has been modified by the action of persons to reduce the land’s natural ability to absorb and hold rainfall. This includes any hard surface area, which either prevents or retards the entry of water into the soil mantle as it entered under natural conditions pre-existent to development. As an example, common IMPERVIOUS AREAS include, but are not limited to, rooftops, walkways, patios, driveways, parking lots or storage areas, concrete or asphalt paving, gravel roads, or any cleared, graded, paved, graveled, or compacted surface or packed earthen materials, or areas covered with structures of other surfaces which similarly impede the natural infiltration of surface water into the soil mantle.
   LOT. The smallest separately segregated parcel, unit or plot of land having an identified owner, boundaries, and surface area which is documented for property tax purposes by the County Assessor.
   NONRESIDENTIAL PROPERTY. All properties not encompassed within the definition of residential property, including, but not limited to, commercial, industrial, retail, multi-family, governmental, institutional, schools, and churches.
   PERSON. Any natural individual, corporation, partnership, institution, or other entity.
   RESIDENTIAL PROPERTY. Any lot or parcel existing in the sewage works system service area on which resides either a single-family dwelling unit or an individually metered single-family dwelling unit within a duplex or other multi-family property.
   SERVICE METER or METER. A water meter or sewage meter intended to measure flow to/from the town’s utility services.
   SEWAGE WORKS SERVICE AREA. All property within the corporation boundary of the town.
   STORM WATER. The chemical compound of hydrogen and oxygen, which is produced from atmospheric clouds as rain, snow, sleet, and hail.
   STORM WATER SYSTEM. All constructed facilities, including structures and natural watercourses under the ownership and/or control of the town, used for collecting and conducting storm water to, through and from drainage areas to the point of final outlet, including, but not limited to, any and all of the following: inlets, conduits and appurtenant features, creeks, channels, catch basins, ditches, streams, streets, culverts, retention or detention basins and pumping stations; and excluding therefrom, any part of the system of drains and watercourses under the jurisdiction of the County Drainage Board.
   STORM WATER SYSTEM USER FEE. A charge imposed on users of the town’s storm water system.
   SURFACE WATER. Water occurring on the surface of the land, from natural causes such as rainfall, whether falling on the land in question or flowing onto the land in question.
   TOWN. The Town of Worthington, Indiana acting by and through the Town Council.
   TOWN COUNCIL. The Town Council of the Town of Worthington, Indiana, or any duly authorized officials acting on its behalf.
   UNDEVELOPED PROPERTY. Property which has not been altered from its natural state by the addition of any improvements, such as a building, structure, or impervious surface, change of grade, or landscaping. For new construction, a property shall be considered developed pursuant to this chapter:
      (1)   Upon issuance of a certificate of occupancy, or upon completion of construction or final inspection if no such certificate is issued; or
      (2)   Where construction is at least 50% complete and construction is halted for a period of three months.
(Ord. 2017-03, passed - -)