1049.03  DEFINITIONS.
   Whenever used in this chapter the meaning of the following words and terms shall be as defined in this section:
   (a)   “Abatement” means any action taken to remedy, correct, or eliminate a condition within, associated with, or impacting a drainage system.
   (b)   “Adjustment” means a modification in a nonresidential customer's storm water service fee for certain activities that impact storm water runoff or impacts the City's costs of providing storm water management.
   (c)   “Apartment property” is defined as a lot or parcel of real estate on which is situated a building containing three or greater single-family dwelling units.
   (d)   “Approved plans” shall mean plans approved according to a permit and plan review which will govern all improvements made within the City that require storm water facilities or changes or alterations to existing storm water facilities.
   (e)   “Code” means the Greenville Municipal Code.
   (f)   “Combined sewer” is a sewer system that designed to convey sanitary sewage, industrial waste and storm water.
   (g)   “Condominium property” is defined as a lot or parcel of real estate in which individuals own their units and share joint ownership in common elements with other unit owners on which is situated a building containing more than one multi-story.
   (h)   “Condominium property” is defined as a lot or parcel of real estate in which individuals own their own unit and share joint ownership in common elements with other unit owners, on which is situated a building containing single-story units on individual parcels according to the County Auditor records and an individual utility billing account.
   (i)   “Detention” is described as the temporary storage of storm water runoff in a basin, pond, or other structure to control the peak discharge rate by holding the storm water for a lengthened period of time.
   (j)   “Detention facility” means an area designed to store excess storm water.
   (k)   “Director” means the Safety/Service Director, of the Administration Department, City of Greenville, Ohio.
   (l)   “Dry bottom storm water storage area” means a detention facility designed to be normally dry and contain water only when excess storm water runoff occurs.
   (m)   “Equivalent residential unit (ERU)” is a value, equal to 2,800 square feet of measured impervious area and is equal to the average amount of impervious area of residential properties within the City.
   (n)   “Excess storm water” means that portion of storm water which exceeds the transportation capacity of storm sewers or natural drainage channels serving a specific watershed.
   (o)   “Facilities” means various storm water and drainage works that may include inlets, pipes, pumping stations, conduits, manholes, energy dissipation structures, channels, outlets, retention/detention basins, and other structural components.
   (p)   “Impervious area” means areas that have been paved and/or covered with buildings and materials, which include but are not limited to, concrete, asphalt, rooftop and blacktop.
   (q)   “Infiltration” is defined as a complex process of allowing runoff to penetrate the ground surface and flow through the upper soil surface.
   (r)   “Mobile home property” is defined as a lot or parcel of real estate in which individuals own their units and share joint ownership in common elements with other unit owners on which is situated a building containing more than one multi-story.
   (s)   “Mobile home property” is defined as a lot or parcel of real estate in which individuals own their own unit and share joint ownership in common elements with other unit owners, on which is situated a building containing single-story units on individual parcels according to the County Auditor records and an individual utility billing account.
   (t)   “Nonresidential properties” are all properties not encompassed by the definition of “residential property” and shall be defined as nonresidential. Nonresidential properties will include:
      (1)   Apartment properties;
      (2)   Two-story or greater condominiums properties;
      (3)   Mobile home parks with rented spaces (parcel not owned);
      (4)   Commercial property;
      (5)   Industrial property;
      (6)   Institutional property;
      (7)   Governmental property;
      (8)   Churches;
      (9)   Federal, State, and local properties; and
      (10)   Any other property not mentioned in this or the list of residential properties.
   (u)   “NPDES” means National Pollutant Discharge Elimination System.
   (v)   “NPDES permit” means a permit issued to the City pursuant to the 1972 Clean Water Act.
   (w)   “Peak discharge” or the “peak flow” is the maximum rate of flow of water passing a given point during or after a rainfall event.
   (x)   “Private storm water facilities” are defined as various storm water and drainage works not under the ownership of the City, County, State, and/or Federal government which may include inlets, conduits, pipes, pumping stations, manholes, structures, channels, outlets, catch basins, curb and gutter, ditches, retention or detention basins, other structural components and equipment designed to transport, move or regulate storm water.
   (y)   “Public storm water facilities” are defined as various storm water and drainage works under the ownership of the City, County, State, or Federal government which may include inlets, conduits, pipes, pumping stations, manholes, structures, channels, outlets, retention or detention basins, other structural components and equipment designed to transport, move or regulate storm water.
   (z)   “Public storm water open channel” means all open channels which convey, in part or in whole, storm water, and are owned by the City, which have a permanent drainage/easement granted to the City. Does not include roadside ditches.
   (aa)   “Residential property” means all single-family, single-story condominium dwelling units, mobile home units with separate parcels and separate billing accounts, two-family duplex properties and all agricultural parcels within the City.
   (bb)   “Retention” is defined as the holding of storm water runoff in a constructed basin or pond or in a natural body of water without release, except by means of evaporation, infiltration, or emergency bypass.
   (cc)   “Retention facility” means a facility which provides storage of storm water runoff and is designed to eliminate subsequent surface discharges.
   (dd)   “Square footage of impervious area” means, for the purpose of assigning an appropriate number of ERUs to a parcel of real property, the square footage of all impervious area using the outside boundary dimensions of the impervious area to include the total enclosed square footage, without regard for topographic features of the enclosed surface.
   (ee)   “Storm sewer” means a sewer, piping or natural structure which carries storm water, surface runoff, street wash waters, and drainage, but which excludes sanitary sewage and industrial wastes, other than unpolluted cooling water.
   (ff)   “Storm water” means storm water runoff, snow melt runoff, and surface runoff and drainage.
   (gg)   “Storm water service charge” is defined as a charge assessed to users and contributors of flow to the City's storm water collection, impounding and transportation system.
   (hh)   “Storm water system” means all man-made facilities, structures, and natural watercourses owned by the City, used for collecting and conducting storm water to, through, and from drainage areas to the points of final outlet, including but not limited to any and all of the following: conduits and appurtenant features, canals, creeks, catch basins, ditches, streams, gulches, gullies, flumes, culverts, siphons, streets, curbs, gutters, dams, flood walls, levees, and pumping stations.
   (ii)   “Wet bottom storm water storage area” means a detention facility designed to be maintained as a pond or free water surface, and which has the capacity to contain excess storm water runoff.
   (jj)   “Users” is defined as property owners within the City that benefit directly or indirectly from the operation of the City’s storm water system.
(Ord. 07-130.  Passed 12-4-07; Ord. 13-66.  Passed 8-16-13.)