926.02 DEFINITIONS.
   "Adjustment" means a modification to a non-residential stormwater user fee for certain activities that impact stormwater runoff or impacts the City's costs of providing stormwater management.
   "Agricultural Parcel" means a lot or parcel located within the City of Zanesville regardless of the size of the building lot or the square footage of the buildings classified as agricultural per County Auditor parcel classifications which for purposes of ERU determination will be classified as single-family residential.
   "Apartment Property" means a non-single-family lot or parcel on which is situated three or more dwelling units.
   "Approved plans" means plans approved according to permits and plan review which will govern all stormwater improvements, required or not, made within the City or changes or alterations to existing stormwater facilities.
   "Best Management Practices" (BMP) means those practices recognized by the Ohio Department of Natural Resources and Ohio Environmental Protection Agency which provide the best available and reasonable physical, structural, managerial, or behavioral activity or activities to reduce or eliminate pollutant loads and/or concentrations leaving the site.
   "Brownfield" means a former industrial or commercial site that is considered to be contaminated to varying extents and certified as such by the Ohio Environmental Protection Agency.
   "Buffer" means a designated area adjacent to or part of a stream or wetland that is an integral part of the stream or wetland ecosystem. The critical function of riparian buffers including shading, input of organic debris and coarse sediments, stabilization of banks, overflow during high water events and for maintenance of wildlife habitat.
   "Condominium Parcel Multi Story" means a lot or parcel of real estate in which individuals own their units and share joint ownership in common elements with other unit owners on which is situated a building or buildings containing more than one story.
   "Condominium Parcel Single Story" means a lot or parcel of real estate in which individuals own their own unit and share joint ownership in common elements with other unit owners on which is situated a building containing single story units on individual parcels according to the county auditor records.
   "Credits" means a one-time or an on-going reduction in a customer's stormwater user charge given for certain qualifying activities that either reduce the impact of increased stormwater runoff or reduce the City's costs of providing stormwater management.
   "Debt service costs" means the average annual principal and interest payments on all outstanding bonds or other comparable long-term capital obligations.
   "Duplex Parcel" means a lot or parcel of real estate on which is situated a building containing two (2) single-family dwelling units.
   "Equivalent Residential Unit" (ERU) means a value, equivalent to 2,300 square feet of measured impervious area and is equal to the average amount of impervious area of single-family properties within the City of Zanesville.
   "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.
   "Impervious area" means areas that have been paved and/or covered with buildings and/or other materials, which include, but are not limited to, concrete, asphalt, rooftop, blacktop or gravel that prevents stormwater from infiltrating into the ground.
   "Municipal Separate Storm Sewer System" (MS4) means a conveyance or system of conveyances (including roads with drainage systems, municipal streets) catch basins, ditches, curbs, gutters, storm sewers, manmade channels or storm drains and similar means of collecting or conveying runoff that do not connect with a wastewater collection system or treatment plant and are owned or operated by a state, city, town, borough, county, parish, district, association, or other public body as defined by USEPA.
   "Non-residential parcel" means a property that contains any impervious area not encompassed by the definition of Single-Family Parcel, Duplex Parcel, Agricultural parcel and or certain Condominium single story parcels.
   "NPDES" means the National Pollutant Discharge Elimination System permit program as administered by the USEPA or the State of Ohio.
   "NPDES permit" means the National Pollutant Discharge Elimination System permit setting forth conditions for the discharge of any pollutant or combination of pollutants to the navigable waters of the United States pursuant to Section 402 of PL 92-500.
   "Operation and maintenance" means those functions that result in expenditures during the useful life of the collection, conveyance and/or treatment works for materials, labor, utilities and other items which are necessary for managing and operating the stormwater system in a manner for which such works were designed and constructed. The term "operation and maintenance" includes replacement.
   "Operation and maintenance costs" include all costs, direct and indirect, necessary to provide adequate stormwater management on a continuing basis and to produce discharges to receiving waters that conform with all related Federal, State and local requirements.
   "Other service charges" means tap charges, connection charges, area charges or other identifiable charges, other than user charges, service charges, or debt service charges.
   "Owner" means any and all persons, natural or artificial, including any individual, firm, company, municipal or private corporation, partnership, co-partnership, joint stock company, trust, estate, association, society, institution, enterprise, governmental agency, State of Ohio, the United States of America or other legal entity, or their legal representatives, agents or assigns. The masculine gender includes the feminine, and the singular includes the plural where indicated by context.
   "Private stormwater facilities" mean various stormwater and drainage works not under the control and/or 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, or other structural components and equipment designed to transport, move or regulate stormwater.
   "Public stormwater facilities" mean various stormwater and drainage works under the control and/or ownership of the City, County, State, or Federal government which may include natural streams, inlets, conduits, pipes, pumping stations, manholes, structures, channels, outlets, retention or detention basins, or other structural or not structural components and equipment designed to transport, move or regulate stormwater
   "Replacement costs" means the expenditures for obtaining and installing equipment, accessories or appurtenances which are necessary during the service life of the treatment works to maintain the capacity and performance for which such works were designed and constructed.
   "Shall" is mandatory and "may" is permissive.
   "Single-family Parcel" means all single-family residential parcels located within the City of Zanesville regardless of the size of the building lot or the square footage of the buildings.
   "Square footage of impervious area" means, 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 the topographic features of the enclosed surface and for the purpose of assigning an appropriate number of ERUs to a parcel or real property,.
   "Stormwater" means stormwater runoff, snowmelt runoff, and surface runoff, subsurface water and drainage.
   "Stormwater service charge" means a charge assessed to users of the City's stormwater system.
   "Stormwater system" means all man-made facilities, structures, and natural watercourses owned operated and/or maintained by the City of Zanesville, used for collection and conducting stormwater to, through and from drainage areas to the points of final outlet or watershed including, but not limited to, any and all of the following: conduits and appurtenant features, canals, creeks, catch basins, ditches, streams, rivers, gulches, gullies, flumes, culverts, siphons, streets, curbs, gutters, dams, floodwalls, levees, and pumping stations and including the USEPA definition of the Municipal Separate Storm Sewer System.
   "Watershed" means an area of land that drains all the rivers, streams and rainfall to a common outlet or any point along a river or stream channel that consists of surface water, subsurface water, lakes, rivers, streams, reservoirs, and wetlands and all the underlying ground water. Watersheds are important because the streamflow and the water quality of a river are affected by things, human-induced or not, happening in the land area "above" the river-outflow point. (Ord. 18-130. Passed 1-14-19.)