§ 50.57 DEFINITIONS.
   For the purposes of this subchapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
   AGREEMENT. The Interlocal Agreement entered into by the City of Louisville and Jefferson County and recorded in the Office of the Jefferson County Clerk at Book 5643, Page 0766.
   AVERAGE RESIDENTIAL IMPERVIOUS AREA. The average square footage of impervious area on one and two family residential properties in the MSD service area as determined by sampling said one and two family residential properties.
   CITY. The City of Louisville, Kentucky.
   CLASS A PROPERTIES. One- and two-family residential properties and single unit condominiums.
   CLASS B PROPERTIES. All other properties, including but not limited to apartment buildings having units for three or more families, multiple unit condominiums, and institutional, commercial, industrial, agricultural, and governmental properties.
   COMBINED SEWER. A sewer which serves as a storm sewer and a sanitary sewer.
   COUNTY. The County of Jefferson, Kentucky.
   DEVELOPER. A person, firm, partnership, corporation or other entity that excavates, builds or otherwise improves a specific parcel or tract of land.
   DISTRICT AREA. The service area of MSD as defined in KRS 76.005(3).
   DRAINAGE SERVICE AREA. The area being a present part of the district area as of the effective date of the Agreement. The drainage service area shall also mean all areas within Jefferson County not including Anchorage, Jeffersontown, St. Matthews and Shively, except as those areas or portions thereof are included in the district area by agreement with MSD.
   EQUIVALENT SERVICE UNIT (ESU). The billing unit used in the formula for generating charges for properties. The ESU for all one- and two-family residential properties shall be one. The ESU for each Class B property is calculated by dividing the impervious area of a property by the average residential impervious area, and rounding to the next highest integer.
   EXISTING. Present or in effect as of the time of the adoption of the Agreement.
   FACILITIES. Various flood control, drainage works and storm water systems that include but are not limited to inlets, conduits, manholes, energy dissipation structures, channels, outlets, retention basins, detention basins, other structural components,
ditches, floodwalls, basins, pipes, walls, channels, creeks, ponds, drainage easements, drainage rights-of-way, drainage dedications, and other interests in property used, dedicated, controlled, possessed, maintained or leased by the metropolitan area or MSD for drainage purposes, together with all appurtenances which connect or assist in drainage of water or flood control.
   IMPERVIOUS SURFACE. Surfaces on or in a lot or parcel of real property which substantially reduces the rate of infiltration of storm water into the earth, including but not limited to surfaces or buildings, roofs, compacted gravel, asphalt and concrete drives and walks, parking lots, patios, and other structures.
   METRO GOVERNMENT. Louisville/Jefferson County Metro Government.
   MSD. The Louisville and Jefferson County Metropolitan Sewer District.
   MULTIPLE UNIT CONDOMINIUM. Ownership of a residential unit within a structure containing five or more residential units with common elements.
   PREMISES. A lot and the building and other improvements situated thereon.
   SERVICE CHARGE. A monthly charge for flood control and storm and surface water drainage services.
   SINGLE UNIT CONDOMINIUM. Ownership of a single residential unit where the residential unit is the sole unit in a structure with common elements or there are no more than four residential units in a structure with common elements.
   STORM SEWER or STORM DRAIN. A sewer which carries storm waters, surface runoff, wash waters and drainage, but which excludes sanitary sewage and industrial waste other than unpolluted cooling water.
   STORM, STORM WATER, and SURFACE WATER. As used in the Agreement are interchangeable terms.
   STORM WATER SYSTEMS or STORM WATER DRAINAGE. All human-made facilities, structures, and natural water courses 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: inlets, conduits, appurtenant features, canals, creeks, channels, catch basins, ditches, streams, gulches, gullies, flumes, culverts, siphons, retention or detention basins, dams, floodwalls, levies, and pumping stations.
(1994 Jeff. Code, § 32.017) (Jeff. Ord. 31-1986, adopted and effective 12-19-1986; Lou. Metro Am. Ord. No. 275-2007, approved 12-6-2007; Lou. Metro Am. Ord. No. 136-2022, approved 10-5-2022)
Editor’s Note:
   Louisville Metro Ord. No. 136-2022 takes effect August 1, 2023 with regard to the definitions of Single Unit Condominium, Multiple Unit Condominium, Class A Properties, and Class B Properties, unless § 50.84 and related ordinances are amended for consistency in which case Louisville Metro Ord. No. 136-2022 will be void ab initio and superseded.