4-11-140 DEFINITIONS N:

NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) STORMWATER DISCHARGE PERMIT: See RMC 4-6-100.

NATIONALLY RECOGNIZED INDEPENDENT TESTING ORGANIZATION: See RMC 4-5-120G.

NATIVE GROWTH PROTECTION EASEMENT: A restrictive area where all native, predevelopment vegetation shall not be disturbed or removed except for removal pursuant to an approved enhancement program. The purpose of an easement is to protect steep slopes, slopes and/or riparian corridors.

NATIVE VEGETATION: Plant species that are indigenous to the area in question and could reasonably be expected to have occurred on site.

NATURAL: A Shoreline Master Program land use designation identifying an area as unique and fragile. It is intended to provide areas of wildlife sanctuary and habitat preservation.

NATURAL LIGHT: Interior or exterior light from the sun.

NATURAL OUTLET: See RMC 4-6-100.

NATURAL RESOURCE EXTRACTION/RECOVERY: Land used for timber harvesting consistent with the Forest Practices Act or silviculture, mineral extraction, or natural resource recovery such as mining reclamation or reforestation. This definition excludes Christmas tree farms, nurseries, and agriculture.

NATURAL WATER SYSTEM: Any and all parts of the hydrologic cycle independent of size and residence time. The meaning includes “waters of the state” as defined in RCW 90.48.020.

NEIGHBORHOOD: A sub-area of the City in which the residents share a common identity focused around a school, park, community business center or other feature.

NEW CONSTRUCTION: (This definition is for flood hazard regulations in RMC 4-3-050 use only.) For the purposes of determining insurance rates, structures for which the “start of construction” commenced on or after the effective date of an initial Flood Insurance Rate Map or after December 31, 1974, whichever is later, and includes any subsequent improvements to such structures. For floodplain management purposes, “new construction” means structures for which the "start of construction" commenced on or after the effective date of a floodplain management regulation adopted by a community and includes any subsequent improvements to such structures.

NEW UNDERGROUND STORAGE FACILITY: See RMC 4-5-120G.

NEWS STAND: A use consisting of the retail sale of newspapers and magazines. This definition excludes adult retail uses.

NONCONFORMING LOT: An otherwise legal lot that does not conform to the minimum lot area, depth, width, or other lot standards of the zone in which it is located.

NONCONFORMING SITE: A site that does not conform to development regulations related to the characteristics or features of the site or the facilities/infrastructure provided thereon including, but not limited to, vegetation conservation, storm drainage facilities, shoreline stabilization, landscaping, parking, vegetative screening, driveways, impervious surface coverage, pedestrian amenity, the type and/or number of structures (i.e., more accessory buildings than allowed), and other regulations of the district in which it is located due to changes in code requirements, or annexation.

NONCONFORMING STRUCTURE: A lawfully established structure that does not comply with the current development standards (yard setbacks, design standards, height, number of dwellings in a multifamily building, etc.) for its zone, but which complied with applicable regulations at the time it was established. Such structures may or may not be in compliance with other relevant building codes and regulations.

NONCONFORMING USE: A lawfully established use of land that does not comply with the current use regulations (primary, secondary, conditional, etc.) for its zone, but which complied with applicable regulations at the time the use was established.

NONSTRUCTURAL TRIM: The molding, battens, caps, nailing strips, latticing, cutouts or letters and walkways which are attached to the sign structure.

NON-WATER-DEPENDENT USE: Those uses which are not water-dependent.

NON-WATER-ORIENTED USE: Those uses which are not water-dependent, water-related, or water-enjoyment.

NO-PROTEST AGREEMENT: A restrictive covenant signed by the property owner signifying consent to the future formation of a local improvement district by the City of Renton or by property owners for constructing and paying for street improvements.

NORMAL RAINFALL: Rainfall that is at the mean or within one standard deviation of the mean of the accumulated annual rainfall record, based upon the water year for King County as recorded at the Seattle-Tacoma International Airport by the graph shown at King County Department of Natural Resources and Parks’ Water and Land Resources Division’s Hydrologic Information Center (http://dnr.metrokc.gov/hydrodat/seatacprecip.asp).

NPDES: See RMC 4-6-100.

NURSERIES, HORTICULTURAL: Any land used to raise, store, or sell trees, shrubs, flowers, and other plants for sale or for transplanting. This definition does not include the sale of any of the above for consumption. Associated retail space is allowed as an accessory to this use.

(Ord. 3719, 4-11-1983; Ord. 4346, 3-9-1992; Ord. 4351, 5-4-1992; Ord. 4521, 6-5-1995; Ord. 4577, 1-22-1996; Amd. Ord. 4963, 5-13-2002; Ord. 5124, 2-7-2005; Ord. 5137, 4-25-2005; Ord. 5478, 8-3-2009; Ord. 5633, 10-24-2011; Ord. 5759, 6-22-2015; Ord. 5869, 12-11-2017; Ord. 5977, 8-10-2020; Ord. 6068, 6-13-2022)