(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 non-residential customer’s stormwater service fee for certain activities that impact stormwater runoff or impacts the City’s costs of providing stormwater management.
(c) “Developed Agricultural Property” is a lot or parcel of real estate which contains one or more dwellings units and/or other building structures but does not include undeveloped properties.
(d) “Approved plans” 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.
(e) “Code” means the Troy Codified Ordinances.
(f) “Combined Sewer” is a sewer system that is designed to convey sanitary sewage, industrial waste and stormwater.
(g) “Detention” is the temporary storage of stormwater runoff in a basin, pond, or other structure to control the peak discharge rate by holding the stormwater for a lengthened period of time.
(h) “Detention Facility” means an area designed to store excess stormwater.
(i) “Director” means the Director of Public Service and Safety of Troy, Ohio.
(j) “Equivalent Residential Unit" (ERU) is a value, equal to 3,000 square feet of measured impervious area and is equal to the average amount of impervious area of residential properties within the City of Troy.
(k) “Facilities” means 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.
(l) “Impervious Area” means an area that has been paved and/or covered with buildings and materials, which includes, but is not limited to, concrete, asphalt, rooftop, and blacktop.
(m) “Infiltration” is a complex process of allowing runoff to penetrate the ground surface and flow through the upper soil surface.
(n) “Non-residential Properties” are all properties not encompassed by the definition of Residential and shall be defined as Non-residential. Non-residential properties will include:
(1) Agricultural properties with CAUV designations;
(2) Mobile Home Parks with Rented Spaces (parcel not owned);
(3) Commercial property;
(4) Industrial property;
(5) Institutional property;
(6) Governmental property;
(7) Churches;
(8) Schools;
(9) Federal, State, and Local properties; and
(10) Any other property not mentioned in this or the list of residential properties below.
(o) “NPDES” means National Pollutant Discharge Elimination System.
(p) “NPDES Permit” means a permit issued to the City pursuant to the 1972 Federal Clean Water Act.
(q) “Peak Discharge” or “Peak Flow” is the maximum rate of flow of water passing a given point during or after a rainfall event.
(r) “Private Stormwater Facilities” are various stormwater 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, and other structural components and equipment designed to transport, move or regulate stormwater.
(s) “Public Stormwater Facilities” are various stormwater and drainage works under the ownership of the City, County, State, and/or Federal Government which may include inlets, conduits, pipes, pumping stations, manholes, structures, channels, outlets, retention or detention basins, and other structural components and equipment designed to transport, move or regulate stormwater.
(t) “Public Stormwater Open Channel” means all open channels, which convey, in part or in whole, stormwater, and are owned by the City, and which have a permanent drainage/easement granted to the city does not include roadside ditches.
(u) “Residential Property” means all properties with residential units including single- family lots (vacant or occupied), two-family or multi-family dwelling units. Each individual single- family house, apartment, or condominium unit shall be a residential property.
(v) “Retention” is the holding of stormwater 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.
(w) “Retention Facility” means a facility, which provides storage of stormwater runoff and is designed to eliminate subsequent surface discharges.
(x) “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.
(y) “Stormwater” means stormwater runoff, snowmelt runoff, and surface runoff and drainage.
(z) “Storm Sewer” means a sewer, piping or natural structure, which carries stormwater, surface runoff, street wash waters, and drainage, but which excludes sanitary sewage and industrial wastes, other than unpolluted cooling water.
(Ord. 78-2007. Passed 11-19-07.)
(aa) “Stormwater Service Charge” is defined as a charge assessed to owners, users and contributors of flow to the City’s stormwater collection, impounding and transportation system, and also includes, without limitation, any necessary and/or reasonable cost or expense related to required testing, monitoring, surveying, or sampling of any stormwater discharge, runoff or overflow whether it directly flows into the City’s stormwater system or not, and which is required or mandated in order to comply with the City’s continuing duty to maintain its NPDES permit as defined herein.
(Ord. 2-2008. Passed 2-19-08.)
(bb) “Stormwater System” means all man-made facilities, structures, and natural watercourses owned by the City of Troy, used for collection and conducting stormwater to, through, and from drainage areas to the points to 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, and pumping stations.
(cc) “Excess Stormwater” means that portion of stormwater, which exceeds the transportation capacity of storm sewers or natural drainage channels serving a specific watershed.
(dd) “Dry Bottom Stormwater Storage Area” means a detention facility designed to be normally dry and contain water only when excess stormwater runoff occurs.
(ee) “Wet Bottom Stormwater 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 stormwater runoff. (Ord. 78-2007. Passed 11-19-07.)