For purposes of this article, the following definitions shall apply:
(a) “Storm Drainage” – The excess water of the community received by the storm drain system. From the standpoint of source, it may be a combination of the runoff from residences, commercial buildings, industrial plants and institutions, together with any groundwater and surface water that may be present.
(b) “Storm Drain System” – All of the property involved in the operation of the storm drainage collection and disposal system for the City of Los Angeles, including conduits, natural or artificial drains, channels and watercourses, together with appurtenances, pumping stations and equipment.
(c) “Average Storm Drainage” – The average amount of storm drainage which enters the storm drain system from a premises, based on run-off factors established by the Los Angeles County Flood Control District as defined in Section 64.51.05 of this article.
(d) “Adjustment” – A determination that the volumetric amount of storm drainage which enters the storm drain system from a premises is deemed to be a defined amount substantially different from the average storm drainage.
(e) “User” – An owner whether private, governmental, or otherwise of a unit, building, premises or lot in the City of Los Angeles.
(f) “Governmental” – A municipal corporation, city and county, county, state, federal, governmental, political or quasi-public unit, body, agency or entity.
(g) “Parcel” – Means a parcel of real property in the City of Los Angeles as shown on the local secured tax rolls of the County of Los Angeles.
(h) “Board” – The Board of Public Works of the City of Los Angeles.
(i) “Owner” – The legal owner of the parcel of real property, except when the legal owner of said real property is such due to the holding of a mortgage, note or other such security, in which case the “owner” shall be deemed to be the beneficial owner of said parcel of real property.
(j) “Run-Off Factor” – A number that represents the amount of average storm drainage from a parcel for a particular land use. Section 64.51.05 of this article contains a table of run-off factors for each land use type as established by the Los Angeles County Flood Control District and used in the calculation of Equivalent Dwelling Units for a parcel.
(k) “Basic Assessment Unit (BAU)” – The proportionate run-off from the average single-family residential parcel. The average single-family residential parcel has an area of 0.1526 acres (6,650 square feet) and a run-off factor of 0.4176. The product of these (0.0637) is defined as the Basic Assessment Unit.
(l) “Equivalent Dwelling Unit (EDU)” – The number of Basic Assessment Units a particular parcel represents and is determined using the following formula:
EDU | = | (parcel area in acres) × (parcel run-off factor) |
Basic Assessment Unit |
(m) “Base Charge” – The fee/charge paid by the average single-family residential parcel owner. The average single-family residential parcel consists of one (1.0) Equivalent Dwelling Unit.