For the purpose of this chapter, the following definitions shall apply. Words used in the singular shall include the plural, and the plural shall include the singular; words used in the present tense shall include the future tense. The word "shall" is mandatory and not discretionary. The word "may" is permissive. Words not defined in this section shall be construed to have the meaning given by common and ordinary use as defined in the latest edition of "Webster's Dictionary".
AS BUILT PLANS: Drawings depicting conditions as they were actually constructed.
BEST MANAGEMENT PRACTICES OR BMPs: Physical, structural, and/or managerial practices that, when used singly or in combination, prevent or reduce pollution of water, that have been approved by Mapleton City Corporation and that have been incorporated by reference into this chapter as if fully set out herein. For purposes of this chapter, the relevant BMPs are more particularly defined in the Mapleton City Corporation guidance document for stormwater management.
CHANNEL: A natural or artificial watercourse with a definite bed and banks that conducts flowing water continuously or periodically.
CITY ENGINEER: The city engineer of Mapleton City Corporation, or authorized designee.
CITY STORMWATER SYSTEM: Storm system that receives runoff from public rights of way, natural waterways and systems identified in a city easement.
COMMUNITY WATER: Any and all rivers, streams, creeks, branches, lakes, reservoirs, ponds, drainage systems, springs, wetlands, wells and other bodies of surface or subsurface water, natural or artificial, lying within or forming a part of the boundaries of Mapleton City Corporation.
CONTAMINANT: Any physical, chemical, biological, or radiological substance or matter in water.
DESIGN STORM EVENT: A hypothetical storm event, of a given frequency interval and duration, used in the analysis and design of a stormwater facility.
DISCHARGE: Dispose, deposit, spill, pour, inject, seep, dump, leak or place by any means, or that which is disposed, deposited, spilled, poured, injected, seeped, dumped, leaked, or placed by any means including any direct or indirect entry of any solid or liquid matter into the municipal separate storm sewer system.
EASEMENT: An acquired privilege or right of use or enjoyment that a person, party, firm, corporation, municipality or other legal entity has in the land of another.
EROSION: The removal of soil particles by the action of water, wind, ice or other geological agents, whether naturally occurring or acting in conjunction with or promoted by anthropogenic activities or effects.
EROSION AND SEDIMENT CONTROL PLAN: A written plan (including drawings or other graphic representations) that is designed to minimize the accelerated erosion and sediment runoff at a site during construction activities.
GENERAL CONSTRUCTION STORMWATER PERMIT: Permit required by the Utah department of environmental quality, division of water quality.
HOT SPOT (PRIORITY AREA): An area where land use or activities generate highly contaminated runoff, with concentrations of pollutants in excess of those typically found in stormwater.
ILLICIT CONNECTIONS: Illegal and/or unauthorized connections to the municipal separate stormwater system whether or not such connections result in discharges into that system.
ILLICIT DISCHARGE: Any discharge to the municipal separate storm sewer system that is not composed entirely of stormwater and not specifically exempted under subsection 21.04.030D of this chapter.
IRRIGATION DITCHES: Gravity irrigation ditches used by irrigation shareowners having a right of water passageway by ROW, easement or prescription.
LAND DISTURBANCE PERMIT: Mapleton City Corporation land disturbance permit as adopted by the city.
LAND DISTURBING ACTIVITY: Any activity on property that results in a change in the existing soil cover (both vegetative and nonvegetative) and/or the existing soil topography. Land disturbing activities include, but are not limited to, development, redevelopment, demolition, construction, reconstruction, clearing, grading, filling, and excavation.
MAINTENANCE: Any activity that is necessary to keep a stormwater facility in good working order so as to function as designed. Maintenance shall include complete reconstruction of a stormwater facility if reconstruction is needed in order to restore the facility to its original operational design parameters. Maintenance shall also include the correction of any problem on the site property that may directly impair the functions of the stormwater facility.
MAINTENANCE AGREEMENT: A document recorded in the land records that acts as a property deed restriction, and which provides for long term maintenance of stormwater management practices.
MUNICIPAL SEPARATE STORM SEWER SYSTEM (MS4) (MUNICIPAL SEPARATE STORMWATER SYSTEM): The conveyances owned or operated by the municipality for the collection and transportation of stormwater, including the roads and streets and their drainage systems, catch basins, curbs, gutters, ditches, manmade channels, and storm drains.
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM PERMIT OR NPDES PERMIT: A permit issued pursuant to 33 USC 1342.
NOTICE OF VIOLATION (NOV): Whenever the city engineer or designee finds that a person is in noncompliance with this chapter, the city engineer or designee will order compliance by written notice of violation to the responsible person. Requirements in this notice are at the discretion of the city engineer or designee, and may include monitoring, payment to cover costs relating to the noncompliance, and the implementation of best management practices.
OFF SITE FACILITY: A structural BMP located outside the subject property boundary described in the permit application for land development activity.
ON SITE FACILITY: A structural BMP located within the subject property boundary described in the permit application for land development activity.
PEAK FLOW: The maximum instantaneous rate of flow of water at a particular point resulting from a storm event.
PERSON: Any and all persons, natural or artificial, including any individual, firm or association and any municipal or private corporation organized or existing under the laws of this or any other state or country.
PREEXISTING CONDITIONS: Conditions of property in its native state or changed under approval by the city or changed property that is grandfathered.
PRIORITY AREA: See definition of Hot Spot (Priority Area).
PROPERTY OWNER: Landowner of property within the boundary of Mapleton City Corporation.
RUNOFF: That portion of the precipitation on a drainage area that is discharged from the area into the municipal separate stormwater system. Water produced by storms, surface drainage, snow and ice melt, and other water handled by the storm sewer drainage system.
SEDIMENT: Solid material, both mineral and organic, that is in suspension, is being transported, or has been moved from its site of origin by air, water, gravity, or ice and has come to rest on the earth's surface either above or below sea level.
SEDIMENTATION: Soil particles suspended in stormwater that can settle in streambeds and disrupt the natural flow of the stream.
SOILS REPORT: A study of soils on a subject property with the primary purpose of characterizing and describing the soils. The soils report shall be prepared by a qualified soils engineer, who shall be directly involved in the soil characterization either by performing the investigation or by directly supervising employees.
STABILIZATION: Providing adequate measures, vegetative and/or structural, that will prevent erosion from occurring.
STORMWATER: Stormwater runoff, snowmelt runoff, surface runoff, street wash waters related to street cleaning or maintenance, infiltration and drainage.
STORMWATER DESIGN STANDARDS AND REGULATIONS: Current Mapleton City Corporation stormwater standards and regulations as adopted by the city.
STORMWATER MANAGEMENT: The programs to maintain quality and quantity of stormwater runoff to predevelopment levels.
STORMWATER MANAGEMENT FACILITIES SYSTEM: The drainage structures, conduits, ditches, combined sewers, sewers, and all device appurtenances by means of which stormwater is collected, transported, pumped, treated or disposed of.
STORMWATER MASTER PLAN: Current "Mapleton City Corporation Stormwater Master Plan" as adopted by the city.
STORMWATER POLLUTION PREVENTION PLAN (SWPPP): The set of drawings and other documents that comprise all the information and specifications for the programs, drainage systems, structures, BMPs, concepts and techniques intended to maintain or restore quality and quantity of stormwater runoff to predevelopment levels during and after construction.
STORMWATER RUNOFF: Flow on the surface of the ground, resulting from precipitation.
STORMWATER UTILITY: The stormwater utility created by ordinance of the city to administer the stormwater management ordinance, and other stormwater rules and regulations adopted by the municipality.
STRUCTURAL BMPs: Devices that are constructed to provide control of stormwater runoff.
SURFACE WATER: Includes waters upon the surface of the earth in bounds created naturally or artificially including, but not limited to, streams, other watercourses, lakes and reservoirs.
UPDES: Utah pollution discharge elimination system.
WATERCOURSE: A permanent or intermittent stream or other body of water, either natural or manmade, which gathers or carries surface water.
WATERSHED: All the land area that contributes runoff to a particular point along a waterway. (Ord. 2012-02, 2-21-2012, eff. 3-18-2012; amd. Ord. 2014-03, 2-4-2014, eff. 4-13-2014)
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