§ 1149.02. Definitions.  


Latest version.
  • Whenever used in this Chapter 1149, the meaning of the following words and terms shall be defined in this section:

    1149.02.001 "Abatement " means any action taken to remedy, correct, or eliminate a condition within, associated with, or impacting a drainage system.

    1149.02.002 "Approved plans " shall mean plans approved according to a permits and plan review which will govern all improvements made within the city that require stormwater facilities or changes or alterations to existing stormwater facilities.

    1149.02.003 "Director " means the Director of the department of public utilities, City of Columbus, Ohio.

    1149.02.004 "Equivalent Residential Unit (ERU) " is a value, equal to two thousand (2,000) square feet of impervious area of residential properties within the City of Columbus.

    1149.02.005 "Facilities" mean various stormwater and drainage works that may include inlets, pipes, pumping stations, conduits, manholes, energy dissipation structures, channels, outlets, retention/detention basins, and other structural components.

    1149.02.006 "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.

    1149.02.007 "NPDES" means National Pollutant Discharge Elimination System.

    1149.02.008 "NPDES Permit" means a permit issued to the city pursuant to Section 402 of the Clean Water Act [Codified as 33 USC Sect. 1342].

    1149.02.009 "Residential property" means all single family properties and duplexes within the city.

    1149.02.010 "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.

    1149.02.011 "Storm sewer" means a sewer which carries stormwater, surface runoff, street wash waters, and drainage, but which excludes sanitary sewage and industrial wastes, other than unpolluted cooling water.

    (Ord. 1381-94.)

    1149.02.012 "Stormwater system" means all man-made facilities, structures, and natural watercourses owned by the city, or over which the city has jurisdiction by law to operate or maintain, used for collecting and conducting stormwater 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, floodwalls, levees, retention or detention facilities, rivers, public stormwater open channels and pumping stations.

    1149.02.013 "Stormwater" means stormwater runoff, snow melt runoff, and surface runoff and drainage.

    1149.02.014 "Public stormwater open channel" means all open channels which convey, in part or in whole, stormwater, and (1) are owned, operated or maintained by a city division other than the division of sewerage and drainage; or (2) a stormwater open channel which has a permanent drainage/stormwater easement owned by the city and drains an area which includes city-owned property or right-of-way. A public stormwater open channel does not include roadside ditches which convey only immediate right-of-way drainage.

    1149.02.015 "Retention facility" means a facility which provides storage of stormwater runoff and is designed to eliminate subsequent surface discharges.

    1149.02.016 "Detention facility" means a facility, by means of a single control point, provides temporary storage of stormwater runoff in ponds, parking lots, depressed areas, rooftops, buffed underground vaults or tanks, etc., for future release, and is used to delay and attenuate flow.

    1149.02.017 "Credit" means an on-going reduction in a customer's stormwater service fee given for certain qualifying activities which reduce either the impact of increased stormwater runoff or reduces the city's costs of providing stormwater management.

(Ord. 2500-94; Ord. 1132-2008 Attach. (part).)