For the purpose of this chapter, the words and phrases shall be defined as follows, unless the context clearly indicates or requires a different meaning.
   (a)   ABATEMENT. Any action taken to remedy, correct, or eliminate a condition within, associated with or impacting a drainage system, pursuant to Section 939.22 of this chapter.
   (b)   APPEALS BOARD. The Stormwater Management Utility Appeals Board whose duties shall be pursuant to Section 939.24 of this chapter. The Appeals Board shall be comprised of three (3) residents of the City, appointed by the Mayor and approved by Council.
   (c)   CITY. The City of Groveport, Ohio.
   (d)   CITY ENGINEER. A professional engineer designated by and representing the City of Groveport, Ohio or his authorized agent.
   (e)   COMMITTEE. The Stormwater Management Utility Advisory Committee whose duties are specified in Section 939.02 of this chapter. The City Planning and Zoning Commission shall be the Utility Advisory Committee for the City.
   (f)   COUNCIL. The Council of the City of Groveport, Ohio.
   (g)   CREDIT. Credit refers to a reduction in a non-residential customer's stormwater service fee given for certain qualifying activities which either reduce the impact of increased stormwater runoff or reduce the City’s costs of providing stormwater management. The qualifying activities are prescribed herein.
   (h)   DETENTION BASINS. Surface stormwater storage areas created by natural contours or by constructing a basin by excavation or embankment or by installing underground structures such as concrete pipes or chambers.
   (i)   DEVELOPER. A person, firm, partnership or corporation, which otherwise improves a specific parcel or tract of land, performs construction work of any kind in the "project area" as defined in this section or holds or is required to obtain a "permit" as defined in this section.
   (j)   EMBANKMENT. Any act by which earth, sand, gravel, rock, or any other material is placed, pushed, dumped, pulled, transported or moved to a new location above the natural surface of the ground or on top of the stripped surface or cut and shall include the conditions resulting therefrom. The difference in elevation between a point on the original ground and a designated point of higher elevation on the final grade; a fill or the material used to make an embankment.
   (k)   ENGINEER, PROFESSIONAL. A person holding a certificate of registration under Ohio R.C. 4733.14 or 4733.19.
   (l)   EROSION. The wearing away of the land surface by the action of wind, water or gravity.
   (m)   EQUIVALENT RESIDENTIAL UNIT (ERU). is a value, equal to 2,760 square feet of measured impervious area and is equal to the average amount of impervious area of a typical residential property within the City
   (n)   EXCAVATION. Any act by which earth, sand, gravel, rock or any other similar material is dug into, cut, quarried, uncovered, removed, displaced, relocated, or bulldozed and shall include the conditions resulting therefrom. The difference between a point on the original ground and designated point of lower elevation on the final grade; cut or the material removed in excavation.
   (o)   EXISTING. Present or in effect as of the time of the adoption of this chapter.
   (p)   FACILITIES. Various drainage works that may include inlets, conduits, manholes, energy dissipation structures, channels, outlets, retention/detention basins, and other structural components.
   (q)   GRADING. Any stripping, cutting, filling, stockpiling, or any combination thereof and shall include the land in its cut or filled condition.
   (r)   MUNICIPAL. Property or facilities owned by the City of Groveport, Ohio.
   (s)   NOTICE. A written or printed communication conveying information or warning.
   (t)   ORDER. The whole or any part of the final disposition (whether affirmative, negative, injunctive, or declaratory in form) or any matter issued by the City Administrator or person designated by them pursuant to any provisions of this chapter.
   (u)   OWNER. Any person, business or organization that possesses real property.
   (v)   PERMIT. The "stormwater management permit" required by this chapter.
   (w)   PERSON. Any person, firm or corporation (public or private), the State of Ohio and its agencies or political subdivisions and the United States of America, its agencies and instrumentalities, and any agent, servant, officer, or employee of any of the foregoing.
   (x)   PLANNING AND ZONING COMMISSION. The Planning and Zoning Commission of the City of Groveport, Ohio.
   (y)   PREMISES. A lot or parcel and the buildings and improvements situated thereon.
   (z)   PRIVATE. Property or facilities owned by individuals, corporations, and other organizations and not by local, state, or federal government.
   (aa)   PROJECT AREA. The land lying within the geographical limits of the tract(s) or parcel(s) under consideration and on which the work is to be performed.
   (bb)   PUBLIC. Property or facilities owned by local, state, or federal governments.
      (1)    All open channels which convey, in part or in whole, stormwater;
      (2)    Is an open channel which has a permanent drainage/stormwater easement owned by the City of Groveport or is located within City of Groveport owned property, and
      (3)    Drains an area which includes City of Groveport owned property or public right-of-way. A public stormwater open channel does not include roadside ditches which convey only immediate right-of-way (roadside) drainage.
   (dd)   RETENTION BASINS. Permanent ponds where additional stormwater storage capacity is provided above the normal water level.
   (ee)   ROUTING. An engineering technique described as computation of the movement and attenuation of an inflow hydrograph as it passes through the stormwater system, resulting in a discharge hydrograph at the downstream end of an element such as a pipe, channel, or detention basin, and accounts mathematically for the effects of storage on flow through the element. Level pool routing assumes that a retention/detention facility maintains an "even" or "level" surface water elevation.
   (ff)   SEDIMENT. Solid material both mineral and organic, that is in suspension, is being transported, or has been moved from its original site or origin by air, water, or gravity as a product of erosion.
   (gg)   SEDIMENT CONTROL PLAN. A plan required by an ordinance, rule, or regulation for controlling the movement of soils due to storm runoff created by construction activities.
   (hh)   STORM, STORMWATER. Storm and stormwater as used in this chapter are interchangeable terms.
   (ii)   STORM SEWER, STORM DRAIN. A sewer or drain which carries stormwaters, surface runoff, street wash waters, and drainage, but which excludes sanitary sewage and industrial wastes, other than unpolluted cooling water. Storm sewers begin at the grating or opening where water enters the structure, through the sewer and conduits to the outlet structure where water enters a channel or natural watercourse.
   (jj)   STORMWATER MANAGEMENT POLICY. Chapter 935 of Groveport City Code of Ordinances.
   (kk)   STORMWATER MANAGEMENT DESIGN POLICY. Chapter 935 specifies design methods, standards, and requirements for the design, construction, maintenance, and use of stormwater facilities written by and available from the City, as part of the City Code.
   (ll)   STORMWATER MANAGEMENT SYSTEM. All man-made facilities, structures, and natural watercourses used for collecting, transporting, detaining, storing or disposing of stormwater to, through, and from drainage areas to the points of final outlet including, but not limited to any and all of the following: inlets, conduits and appurtenant features, canals, creeks, channels, catch basins, ditches, streams, gulches, gullies, flumes, culverts, siphons, retention or detention basins, dams, floodwalls, levees, and pumping stations.
   (mm)   TOTAL AREA. The square footage of a lot or parcel measured or estimated by using the outside boundary dimensions, in feet, converted to acres (one acre equals 43,560 square feet), to obtain the total enclosed area, without regard for topographic features of the enclosed surface, as used in Section 939.16 for the purpose of determining the rate class for lot(s) or parcel(s) of real property. The boundary dimensions in feet of the enclosed surface area may be established by any of the following methods selected by the Utility for each lot or parcel:
      (1)    On site or photogrammetric measurements of the apparent outside boundary dimensions of the lot or parcel of real property made by the City or on its behalf; or
      (2)    Computation of the area using dimensions of lot or parcel of real property and/or existing area measurements which are set forth and contained in the records of the office of the City Recorder or Auditor.
   (nn)   UTILITY. The Stormwater Management Utility provided for by this chapter, which may be operated or organized as a department of the City of Groveport, Ohio.
   (oo)   WATER COURSE. A permanent or intermittent stream, river, brook, creek, channel, swale or ditch for water whether natural or manmade.
      (Ord. 12-022. Passed 5-29-12.)