[Amended 5-20-2025 by Ord. No. 2918-25]
For this section, the following terms, phrases, words and their derivations shall have the meanings stated herein unless their use in the text of this chapter clearly demonstrates a different meaning. When not inconsistent with the context, words used in the present tense include the future, words used in the plural number include the singular number, and words used in the singular number include the plural number. The word "shall" is always mandatory and not merely directory. The definitions below are the same as or based on the corresponding definitions in the Stormwater Management Rules at N.J.A.C. 7:8-1.2.
CAFRA CENTERS, CORES OR NODES
Means those areas with boundaries incorporated by reference or revised by the Department in accordance with N.J.A.C. 7:7-13.16.
CAFRA PLANNING MAP
Means the map used by the Department to identify the location of Coastal Planning Areas, CAFRA centers, CAFRA cores, and CAFRA nodes. The CAFRA Planning Map is available on the Department's Geographic Information System (GIS).
CATEGORY ONE WATERS (C1)
Means waters of the state designated in N.J.A.C. 7:9B- 1.15(c) through (h) for purposes of implementing the anti-degradation policies set forth at N.J.A.C. 7:9B-1.5(d) for protection from measurable changes in water quality characteristics because of their clarity, color, scenic setting, other characteristics of aesthetic value, exceptional ecological significance, exceptional recreational significance, exceptional water supply significance, or exceptional fisheries resource(s).
COMMUNITY BASIN
Means an infiltration system, sand filter designed to infiltrate, standard constructed wetland, or wet pond, established in accordance with N.J.A.C. 7:8-4.2(c)14, that is designed and constructed in accordance with the New Jersey Stormwater Best Management Practices Manual, or an alternate design, approved in accordance with N.J.A.C. 7:8-5.2(g), for an infiltration system, sand filter designed to infiltrate, standard constructed wetland, or wet pond and that complies with the requirements of this chapter.
COMPACTION
Means the increase in soil bulk density that reduces the soil's infiltration rate.
CONTRIBUTORY DRAINAGE AREA
Means the area from which stormwater runoff drains to a stormwater management measure, not including the area of the stormwater management measure itself.
CORE
Means a pedestrian-oriented area of commercial and civic uses serving the surrounding municipality, generally including housing and access to public transportation.
CORE FOREST
Means any forest as defined below that has some portion of at least 330 feet from the edges of the total forest area.
COUNTY REVIEW AGENCY
Means an agency designated by the County Commissioners to review municipal stormwater management plans and implementing ordinance(s). The county review agency may either be:
a.
A county planning agency; or
b.
A county water resource association created under N.J.S.A. 58:16A-55.5, if the ordinance or resolution delegates authority to approve, conditionally approve, or disapprove municipal stormwater management plans and implementing ordinances.
DEPARTMENT
Means the Department of Environmental Protection.
DESIGN ENGINEER
Means a person professionally qualified and duly licensed in New Jersey to perform engineering services that may include, but not necessarily be limited to, development of project requirements, creation and development of project design and preparation of drawings and specifications.
DESIGNATED CENTER
Means a State Development and Redevelopment Plan Center as designated by the State Planning Commission such as urban, regional, town, village, or hamlet.
DEVELOPMENT
a.
Means the division of a parcel of land into two or more parcels, the construction, reconstruction, conversion, structural alteration, relocation or enlarge- enlargement of any building or structure, any mining excavation or landfill, and any use or change in the use of any building or other structure, or land or extension of use of land, for which permission is required under the Municipal Land Use Law, N.J.S.A. 40:55D-1 et seq. For purposes of this section, "development" shall include any redevelopment of a parcel.
b.
In the case of development of agricultural land, "development" means any activity that requires a state permit, any activity reviewed by the County Agricultural Board (CAB) and the State Agricultural Development Committee (SADC), and municipal review of any activity not exempted by the Right to Farm Act, N.J.S.A. 4:1C-1 et seq.
DISTURBANCE
Means the placement or reconstruction of impervious surface or motor vehicle surface, or exposure and/or movement of soil or bedrock or clearing, cutting, or removing of vegetation. Milling and repaving is not considered disturbance for the purposes of this definition.
DRAINAGE AREA
Means a geographic area within which stormwater, sediments, or dissolved materials drain to a particular receiving water body or to a particular point along a receiving water body.
EMPOWERMENT NEIGHBORHOODS
Means neighborhoods designated by the Urban Coordinating Council "in consultation and conjunction with" the New Jersey Redevelopment Authority pursuant to N.J.S.A. 55:19-69.
ENVIRONMENTALLY CONSTRAINED AREA
Means the following areas where the physical alteration of the land is in some way restricted, either through regulation, easement, deed restriction or ownership, such as: wetlands, floodplains, threatened and endangered species sites or designated habitats, and parks and preserves. Habitats of endangered or threatened species are identified using the Department's Landscape Project as approved by the Department's Endangered and Nongame Species Program.
ENVIRONMENTALLY CRITICAL AREA
Means an area or feature which is of significant environmental value, including but not limited to stream corridors, natural heritage priority sites, habitats of endangered or threatened species, large areas of contiguous open space or upland forest, steep slopes, and wellhead protection and groundwater recharge areas. Habitats of endangered or threatened species are identified using the Department's Landscape Project as approved by the Department's Endangered and Nongame Species Program.
EROSION
Means the detachment and movement of soil or rock fragments by water, wind, ice, or gravity.
FOREST
Means a wooded area having an ecosystem typically consisting of a thick growth of trees and plants that has occurred through natural succession or reforestation, that exhibits or normally exhibits a contiguous tree canopy of greater than either 200 feet in width in any direction or one acre in area. The term "forest" shall include but not be limited to "core forest" as defined above.
GREEN INFRASTRUCTURE
a.
Those processes of the land to manage and retain stormwater. Stormwater management measures that manage stormwater close to its source by:
1.
Treating stormwater runoff through infiltration into subsoil;
2.
Treating stormwater runoff through filtration by vegetation or soil; or
3.
Storing stormwater runoff for reuse.
b.
Examples of green infrastructure include but are not limited to rain gardens, green roofs, permeable pavement; bio infiltration basins, cisterns, or vegetated swales.
GROUNDWATER
Means a body of water below the surface of the land in a zone of saturation where the spaces between the soil or geological materials are fully saturated with water.
HUC 14 or HYDROLOGIC UNIT CODE 14
Means an area within which water drains to a particular receiving surface water body, also known as a "subwatershed," which is identified by a fourteen-digit hydrologic unit boundary designation, delineated within New Jersey by the United States Geological Survey.
IMPAIRED WATER
Means a surface water listed in the New Jersey Department of Environmental Protection Integrated Water Quality Assessment Report as failing to meet one or more designated uses or not meeting the standards set out in the Surface Water Quality Standards at N.J.A.C. 7:9B et seq.
IMPERVIOUS SURFACE
Means a surface that has been covered with a layer of material so that it is highly resistant to infiltration by water. Impervious surfaces include and are not limited to roofs, asphalt, concrete, some stone roads, parking lots, driveways, sidewalks, porous asphalt, porous concrete systems, synthetic turf fields, pools, and patios.
INFILTRATION
Is the process by which water seeps into the soil from precipitation.
LEAD PLANNING AGENCY
Means one or more public entities having stormwater management planning authority designated by the regional stormwater management planning committee pursuant to N.J.A.C. 7:8-3.2, that serves as the primary representative of the committee.
LOW-IMPACT DEVELOPMENT TECHNIQUES
Means using strategies and measures that manage stormwater runoff quantity and quality in the absence of structural stormwater measures, such as minimizing site disturbance, preserving natural vegetation and other important site features such as forests and especially core forests, reducing and disconnecting impervious cover, minimizing proposed ground slopes, using native vegetation, minimizing turf grass lawns, revegetating areas, increasing time of concentration, and maintaining and enhancing natural drainage features and characteristics.
MAINTENANCE PLAN
Means a document required for the maintenance of stormwater management measures at all major and minor development projects. A maintenance plan shall contain specific preventive maintenance tasks and schedules; cost estimates, including estimated cost of sediment, debris, or trash removal; and the name, address, and telephone number of the person or persons responsible for preventive and corrective maintenance including replacement.
MAJOR DEVELOPMENT
a.
Means an individual "development," including redevelopment, as well as multiple developments that individually or collectively result in:
1.
The disturbance 0.5 acre of land since February 2, 2004;
2.
The creation of 5,000 square feet or more of "regulated impervious surface" since February 2, 2004;
3.
The creation of 5,000 square feet or more of "regulated motor vehicle surface" since March 2, 2021; or
4.
A combination of subsection a2 and 3 above that totals an area of 5,000 square feet or more. The same surface shall not be counted twice when determining if the combination area equals 5,000 square feet or more.
b.
Major development includes all developments that are part of a common plan of development or sale (for example, phased residential development) that collectively or individually meet any one or more of subsection a1, 2, 3, or 4 above. Projects undertaken by any government agency that otherwise meet the definition of "major development," but which do not require approval under the Municipal Land Use Law, N.J.S.A. 40:55D-1 et seq., are also considered "major development."
MINOR DEVELOPMENT
Means any development that results in a new dwelling and/or the construction of any site improvements that result in an increase in impervious cover by 400 square feet that results in an increase of stormwater runoff but does not meet the definition of a major development.
MOTOR VEHICLE
Means land vehicles propelled other than by muscular power, such as automobiles, motorcycles, autocycles, and low-speed vehicles. For the purposes of this definition, "motor vehicle" does not include farm equipment, snowmobiles, all-terrain vehicles, motorized wheelchairs, go-carts, gas buggies, golf carts, ski-slope grooming machines, or vehicles that run only on rails or tracks.
MOTOR VEHICLE SURFACE
Means any pervious or impervious surface that is intended to be used by motor vehicles and/or aircraft, and is directly exposed to precipitation, including, but not limited to, driveways, parking areas, parking garages, roads, race-tracks, and runways.
MUNICIPALITY
Means any city, borough, town, township, or village.
NEW JERSEY STORMWATER BEST MANAGEMENT PRACTICES (BMP) MANUAL or BMP MANUAL
Means the manual maintained by the Department providing, in part, design specifications, removal rates, calculation methods, and soil testing procedures approved by the Department as being capable of contributing to the achievement of the stormwater management standards specified in this chapter. The BMP Manual is periodically amended by the Department as necessary to provide design specifications on additional best management practices and new information on already included practices reflecting the best available current information regarding the practice and the Department's determination as to the ability of that best management practice to contribute to compliance with the standards contained in this chapter. Alternative stormwater management measures, removal rates, or calculation methods may be utilized, subject to any limitations specified in this chapter, provided the design engineer demonstrates to the municipality, in accordance with § 25-29.4f of this section and N.J.A.C. 7:8-5.2(g), that the proposed measure and its design will contribute to achievement of the design and performance standards established by this chapter.
NODE
Means an area designated by the State Planning Commission concentrating facilities and activities which are not organized in a compact form.
NUTRIENT
Means a chemical element or compound, such as nitrogen or phosphorus, which is essential to and promotes the development of organisms.
NUTRIENT LOAD
Means the total amount of a nutrient entering a surface or groundwater resource during a given time. Nutrients may enter the water resource from runoff, recharge, point source discharges, or the atmosphere in the form of wet and/or dry deposition.
PERSON
Means any individual, corporation, company, partnership, firm, association, political subdivision of this state and any state, interstate or federal agency.
PERVIOUS SURFACE
Means a surface that is capable of transmitting or infiltrating a significant amount of precipitation into underlying material.
POLLUTANT
Means any dredged spoil, solid waste, incinerator residue, filter backwash, sewage, garbage, refuse, oil, grease, sewage sludge, munitions, chemical wastes, biological materials, medical wastes, radioactive substance [except those regulated under the Atomic Energy Act of 1954, as amended (42 U.S.C. § 2011 et seq.)], thermal waste, wrecked or discarded equipment, rock, sand, cellar dirt, industrial, municipal, agricultural, and construction waste or runoff, or other residue discharged directly or indirectly to the land, groundwaters or surface waters of the state, or to a domestic treatment works. "Pollutant" includes both hazardous and nonhazardous pollutants.
PREVIOUSLY DEVELOPED
Means those portions of a site covered by pavement, gravel, or dirt driveways, streets, roads and parking areas, gravel, pavement, buildings, impervious surfaces, lawns, or structures. Areas that simply have been (or have once been) cleared of vegetation are not considered previously developed if woody vegetation has been reestablished. Only those portions of a site that have been previously developed are exempt from the groundwater recharge requirements.
PUBLIC ROADWAY OR RAILROAD
Means a pathway for use by motor vehicles or trains that is intended for public use and is constructed by, or on behalf of, a public transportation entity. A public roadway or railroad does not include a roadway or railroad constructed as part of a private development, regardless of whether the roadway or railroad is ultimately to be dedicated to and/or maintained by a governmental entity.
PUBLIC TRANSPORTATION ENTITY
Means a federal, state, county, or municipal government, an independent state authority, or a statutorily authorized public-private partnership program pursuant to P.L. 2018, c. 90 (N.J.S.A. 40A:11-52 et seq.) that performs a public roadway or railroad project that includes new construction, expansion, reconstruction, or improvement of a public roadway or railroad.
RECHARGE
Means the amount of water from precipitation that infiltrates into the ground and is not evapotranspired.
REDEVELOPMENT
Means an activity that results in the creation, addition, or replacement of impervious surface area on an already developed site. Redevelopment includes but is not limited to the expansion of a building footprint; addition or replacement of a structure or a portion of a structure regardless of footprint; and replacement of impervious surface area that is not part of a routine maintenance activity. If a project is a redevelopment project, all new impervious cover, whether created by adding to or replacing impervious cover that was in existence before the redevelopment occurs, shall be considered in calculating the requirements for stormwater management. However, any such new impervious cover that will drain into an existing stormwater best management practice that is to remain after the redevelopment and that meets current stormwater management requirements shall be deducted from the total amount of impervious surface that must be treated by new stormwater best management practices. In the case of a redevelopment project, the pre-developed land cover shall be wooded.
REGULATED IMPERVIOUS SURFACE
Means any of the following, alone or in combination:
a.
A net increase of impervious surface;
b.
The total area of impervious surface collected by a new stormwater conveyance system (for the purpose of this definition, a "new stormwater conveyance system" is a stormwater conveyance system that is constructed where one did not exist immediately prior to its construction or an existing system for which a new discharge location is created);
c.
The total area of impervious surface proposed to be newly collected by an existing stormwater conveyance system; and/or
d.
The total area of impervious surface collected by an existing stormwater conveyance system where the capacity of that conveyance system is increased.
REGULATED MOTOR VEHICLE SURFACE
Means any of the following, alone or in combination:
a.
The total area of motor vehicle surface that is currently receiving water;
b.
A net increase in motor vehicle surface; and/or quality treatment either by vegetation or soil, by an existing stormwater management measure, or by treatment at a wastewater treatment plant, where the water quality treatment will be modified or removed.
RETENTION STANDARD/RETENTION STORM
Means retaining on-site through green infrastructure or reuse, 1/2 of the existing two-year rainfall for Essex County, multiplied by the projected two-year storm change factor, as defined in Table 6, entitled "Future Precipitation Change Factors."
SEDIMENT
Means solid material, mineral or organic, that is in suspension, is being transported, or has been moved from its site of origin by air, water or gravity as a product of erosion.
SITE
Means the lot or lots upon which a major development is to occur or has occurred.
SOIL
Means all unconsolidated mineral and organic material of any origin.
SOLID AND FLOATABLE MATERIALS
Means sediment, debris, trash, and other floating, suspended, or settleable solids.
STATE DEVELOPMENT and REDEVELOPMENT PLAN METROPOLITAN PLANNING AREA (PA1)
Means an area delineated on the State Plan Policy Map and adopted by the State Planning Commission that is intended to be the focus for much of the state's future redevelopment and revitalization efforts.
STATE PLAN POLICY MAP
Is defined as the geographic application of the State Development and Redevelopment Plan's goals and statewide policies, and the official map of these goals and policies.
STORMWATER
Means water resulting from precipitation (including rain and snow) that runs off the land's surface, is transmitted to the subsurface, or is captured by separate storm sewers or other sewage or drainage facilities or conveyed by snow removal equipment.
STORMWATER MANAGEMENT BMP
Means an excavation or embankment and related areas designed to retain stormwater runoff. A stormwater management BMP may either be normally dry (that is, a detention basin or infiltration system), retain water in a permanent pool (a retention basin), or be planted mainly with wetland vegetation (most constructed stormwater wetlands).
STORMWATER MANAGEMENT MEASURE
Means any practice, technology, process, program, or other method intended to control or reduce stormwater runoff and associated pollutants, or to induce or control the infiltration or groundwater recharge of stormwater or to eliminate illicit or illegal non-stormwater discharges into stormwater conveyances.
STORMWATER MANAGEMENT PLANNING AGENCY
Means a public body authorized by legislation to prepare stormwater management plans.
STORMWATER MANAGEMENT PLANNING AREA
Means the geographic area for which a stormwater management planning agency is authorized to prepare stormwater management plans, or a specific portion of that area identified in a stormwater management plan prepared by that agency.
STORMWATER RUNOFF
Means water flow on the surface of the ground or in storm sewers resulting from precipitation.
TIDAL FLOOD HAZARD AREA
Means a flood hazard area in which the flood elevation resulting from the two-, ten-, or 100-year storm, as applicable, is governed by tidal flooding from the Atlantic Ocean. Flooding in a tidal flood hazard area may be contributed to, or influenced by, stormwater runoff from inland areas, but the depth of flooding generated by the tidal rise and fall of the Atlantic Ocean is greater than flooding from any fluvial sources. In some situations, depending upon the extent of the storm surge from a particular storm event, a flood hazard area may be tidal in the 100-year storm, but fluvial in more frequent storm events.
TMDL
Means total maximum daily load formally established pursuant to N.J.S.A. 58:11A-7 and 33 U.S.C. § 12512 et seq. A TMDL is the sum of individual waste load allocations for point sources, load allocations for non-point sources of pollution, other sources such as tributaries or adjacent segments, and allocations to a reserve or margin of safety for an individual permit.
TOWNSHIP
Means the Township of West Orange.
URBAN COORDINATING COUNCIL EMPOWERMENT NEIGHBORHOOD
Means a neighborhood given priority access to state resources through the New Jersey Redevelopment Authority.
URBAN ENTERPRISE ZONES
Means a zone designated by the New Jersey Enterprise Zone Authority pursuant to the New Jersey Urban Enterprise Zones Act, N.J.S.A. 52:27H-60 et seq.
URBAN REDEVELOPMENT AREA
Is defined as previously developed portions of areas:
a.
Delineated on the State Plan Policy Map (SPPM) as the Metropolitan Planning Area (PA1), Designated Centers, Cores or Nodes;
b.
Designated as CAFRA Centers, Cores or Nodes;
c.
Designated as Urban Enterprise Zones; and
d.
Designated as Urban Coordinating Council Empowerment Neighborhoods.
WATER CONTROL STRUCTURE
Means a structure within, or adjacent to, a water, which intentionally or coincidentally alters the hydraulic capacity, the flood elevation resulting from the two-, ten-, or 100-year storm, flood hazard area limit, and/or floodway limit of the water. Examples of a water control structure may include a bridge, culvert, dam, embankment, ford (if above grade), retaining wall, and weir.
WATERS OF THE STATE
Means the ocean and its estuaries, all springs, streams, wetlands, and bodies of surface water or groundwater, whether natural or artificial, within the boundaries of the State of New Jersey or subject to its jurisdiction.
WETLANDS or WETLAND
Means an area that is inundated or saturated by surface water or groundwater at a frequency and duration sufficient to support, and that under normal circumstances does support, a prevalence of vegetation typically adapted for life in saturated soil conditions, commonly known as "hydrophytic vegetation."
WOODY VEGETATION
Means the growth of any combination of perennial plants that include trees, shrubs, and some vines that have woody stems.