Chapter 25.02


25.02.010    Definitions.

25.02.010 Definitions.

(1) Accessory Dwelling Unit. “Accessory dwelling units” are separate living quarters contained within, or detached from, a single-family dwelling on a single lot.

(2) Accessory Use. An “accessory use” is a use associated with the principal use on a shoreline property that is subordinate to the principal use and minor in nature. In order to be classified as an accessory use, a use must commonly occur in the immediate vicinity and in the same shoreline environment. “Accessory use” includes normal appurtenances.

(3) Amendment. “Amendment” means a revision, update, addition, deletion, and/or re-enactment of the Sammamish SMP (WAC 173-26-020).

(4) Archaeological Resource/Site. “Archaeological resource/site” means a site or feature that meets the criteria of a historic resource pursuant to SMC 21.06.080(K) (Historic resources – Review process).

(5) Average Grade Level. “Average grade level” means the average of the natural or existing topography of the portion of the lot, parcel, or tract of real property which will be directly under the proposed building or structure; in the case of structures to be built over water, average grade level shall be the elevation of the ordinary high water mark. Calculation of the average grade level shall be made by averaging the ground elevations at the midpoint of all exterior walls of the proposed building or structure (WAC 173-27-030).

(6) Backfill. “Backfill” means the placement of earth material behind a retaining wall or structure.

(7) Bank. “Bank” means a rise or slope at the edge of a body of water or watercourse.

(8) Repealed by Ord. O2019-493.

(9) Benthic. “Benthic” refers to the sediment surface and subsurface layers providing habitat for the micro-organisms of a stream or lake bottom.

(10) Berm. “Berm” means a constructed area of compacted earth that has been artificially mounded or placed against a wall or structure.

(11) Bioengineering or Biostabilization. “Bioengineering” or “biostabilization” means the practice of using natural materials to stabilize shorelines and prevent erosion as an alternative to bulkheads. This may include use of rocks, bundles of stems, root systems, or other living plant material, fabric, or other soil stabilization techniques. Bioengineering projects often include fisheries habitat enhancement measures in project design (e.g., anchored logs, root wads, etc.). Such techniques may be applied to creeks, rivers, lakes, and reservoirs. Bioengineering may also be applied in upland areas away from the immediate shoreline. See “bulkhead alternative” definition.

(12) Boathouse. “Boathouse” means a structure designed for the storage of vessels and not used as a residence or dwelling unit. Boathouses are to be distinguished from houseboats.

(13) Boating Facilities. “Boating facilities” means docks, floats, buoys and accessory structures which are associated with a private noncommercial recreational beach jointly owned by upland property owners serving five or more residences. “Boating facilities” excludes facilities serving four or fewer single-family residences.

(14) Boat Launch or Boat Ramp. “Boat launch” or “boat ramp” means a slab, pad, rail, or graded slope specifically constructed and used for launching boats or other vessels.

(15) Boat Lift. “Boat lift” is an in-water structure used for the dry berthing of vessels above the water level and lowering of vessels into the water periodically. A boat lift is used to berth and launch a single vessel suspended over the water’s surface. A boat lift is generally a manufactured unit and may be placed in the water adjacent to a dock or stand-alone structure.

(16) Breakwater. “Breakwater” means an off-shore structure, either floating or not, that may or may not be connected to the shore, such structure being designed to absorb and/or reflect back into the water body the energy of the waves.

(17) Buffer. “Buffer” means a critical area buffer as designated by regulations in SMC 21.03.020.

(18) Building Setback. “Building setback” means the minimum required distance between a structure and a lot line, easement, or shoreline setback, into which space a structure or the foundation of a building shall not extend.

(19) Bulkhead. “Bulkhead” means a vertical or nearly vertical structure placed parallel to the shoreline at or near the OHWM for purposes of armoring the shoreline and protecting structures from effects of erosion caused by wind or waves. Bulkheads generally consist of concrete, timber, steel, rock, or other material resistant to erosion.

(20) Bulkhead Alternative. “Bulkhead alternative” means a measure to achieve shoreline stabilization other than a wall or solid structure, erected at or above OHWM. Bulkhead alternatives provide for beach restoration and protection of property during storms, and may consist of large rocks or revetments integrated with vegetation and other materials (see also “bioengineering”/“biostabilization”).

(21) Buoy, Mooring. “Mooring buoy” means a floating object anchored to the bottom of a water body that provides tie-up capabilities for vessels.

(22) Clearing. “Clearing” means removal of vegetation or other organic plant matter by physical, mechanical, chemical, or any other means.

(23) Compatible. “Compatible” means uses or activities capable of existing together or in the vicinity of one another without disharmony or without generating effects or impacts that are disruptive to the normal use and enjoyment of surrounding property.

(24) Conservation. “Conservation” means the careful, prudent, and planned management of a natural resource to preserve ecological and shoreline functions and to prevent exploitation, destruction, or neglect.

(25) Covered Moorage/Canopy. “Covered moorage” means boat or other vessel moorage, without walls, that has a roof or canopy to protect the vessel(s).

(26) Critical Habitat. “Critical habitat” means those areas in the City that are wetlands, streams, and fish and wildlife habitat conservation areas.

(27) Development. “Development” means the construction or exterior alteration of structures; dredging; drilling; dumping; filling; removal of any sand, gravel, or minerals; bulkheading; driving of piling; placing of obstructions; or any project of a permanent or temporary nature that interferes with the normal public use of the surface of the waters overlying lands subject to the SMA (Chapter 90.58 RCW) at any stage of water level (WAC 173-27-030). “Development” does not include dismantling or removing structures if there is no other associated development or redevelopment.

(28) Director. “Director” means, unless otherwise specified, the director of the City of Sammamish department of community development or the director’s designee.

(29) Dock. “Dock” means a fixed or floating platform structure anchored in and/or floating upon a water body and connected to land to provide moorage or landing for waterborne vessels and/or water-dependent recreation uses.

(30) Dredging. “Dredging” means the removal, displacement, and/or disposal of unconsolidated material such as sand, silt, gravel or other submerged materials, for purposes of modifying the bottom elevation of a water body, ditch, or wetland.

(31) Ecological Functions or Shoreline Functions. “Ecological functions” or “shoreline functions” means the work performed or role played by the physical, chemical, and biological processes that contribute to the maintenance of the aquatic and terrestrial environments that constitute the shoreline’s natural ecosystem. See WAC 173-26-201(2)(c) (WAC 173-26-020).

(32) Ecosystem-Wide Processes. “Ecosystem-wide processes” means the suite of naturally occurring physical and geologic processes of erosion, transport, and deposition; and specific chemical processes that shape landforms within a specific shoreline ecosystem and determine both the types of habitat and the associated ecological functions (WAC 173-26-020).

(33) Excavation. “Excavation” means the removal of earth material from other than within a water body.

(34) Exempt Development. “Exempt developments” are those set forth in WAC 173-27-040 and RCW 90.58.030(3)(e), 90.58.140(9), 90.58.147, 90.58.355, and 90.58.515 which are not required to obtain a substantial development permit but which must otherwise comply with applicable provisions of the act and the local master program (WAC 173-27-030). Conditional use, variance, or other permits may also still be required even though the activity does not require a shoreline substantial development permit.

(35) Fair Market Value. “Fair market value” (synonymous with “replacement cost”) of a development is the open market bid price for conducting the work, using the equipment and facilities, and purchase of the goods, services and materials necessary to accomplish the development. This would normally equate to the cost of hiring a contractor to undertake the development from start to finish, including the cost of labor, materials, equipment and facility usage, transportation and contractor overhead and profit. The fair market value of the development shall include the fair market value of any donated, contributed or found labor, equipment or materials (WAC 173-27-030).

(36) Feasible. “Feasible” means that an action, such as a development project, mitigation, or preservation requirement, meets all of the following conditions:

(a) The action can be accomplished with technologies and methods that have been used in the past in similar circumstances, or studies or tests have demonstrated in similar circumstances that such approaches are currently available and likely to achieve the intended results;

(b) The action provides a reasonable likelihood of achieving its intended purpose; and

(c) The action does not physically preclude achieving the project’s primary intended legal use. In cases where these guidelines require certain actions unless they are infeasible, the burden of proving infeasibility is on the applicant. In determining an action’s infeasibility, the reviewing agency may weigh the action’s relative public costs and public benefits, considered in the short- and long-term time frames (WAC 173-26-030).

(37) Fill. “Fill” means the addition of soil, sand, rock, gravel, sediment, earth retaining structure, or other material to an area waterward of the OHWM, in wetlands, or on shorelands in a manner that raises the elevation or creates dry land (WAC 173-26-020).

(38) Float. “Float” means a structure that is moored, anchored, or otherwise secured in a water body and which is not connected to the shoreline.

(39) Floodplain. “Floodplain” is synonymous with “100-year floodplain” and means that land area susceptible to inundation with a one percent chance of being equaled or exceeded in any given year. The limit of this area is based upon flood ordinance regulation maps or a reasonable method that meets the objectives of the Act (WAC 173-26-020).

(40) Flood Hazard Reduction. “Flood hazard reduction” refers to actions taken to reduce risk of flood damage or hazards. Flood hazard reduction measures may consist of nonstructural or indirect measures, including but not limited to setbacks, land use controls, wetland restoration, dike removal, use relocation, bioengineering measures, and stormwater management programs; and of structural measures intended to contain flow within the channel, channel realignment, and elevation of structures consistent with the National Flood Insurance Program.

(41) Footprint. “Footprint” means a two-dimensional outline of a structure or building where it intersects or covers the ground surface, including upper story eaves and cantilevers where they cover or overhang the ground surface.

(42) Grading. “Grading” means the movement or redistribution of the soil, sand, rock, gravel, sediment, or other material on a site in a manner that alters the natural contour of the land (WAC 173-26-020).

(43) Geotechnical Report or Geotechnical Analysis. “Geotechnical report” or “geotechnical analysis” means a scientific study or evaluation conducted by a qualified expert that includes a description of the ground and surface hydrology and geology, the affected land form and its susceptibility to mass wasting, erosion, and other geologic hazards or processes, conclusions and recommendations regarding the effect of the proposed development on geologic conditions, the adequacy of the site to be developed, the impacts of the proposed development, alternative approaches to the proposed development, and measures to mitigate potential site-specific and cumulative geological and hydrological impacts of the proposed development, including the potential adverse impacts to adjacent and down-current properties. Geotechnical reports shall conform to accepted technical standards and must be prepared by qualified professional engineers or geologists who have professional expertise about the regional and local shoreline geology and processes.

(44) Hard Structural Shoreline Stabilization. “Hard structural shoreline stabilization,” also referred to as “shoreline armoring” or “bulkhead,” refers to the use of a solid, essentially vertical wall constructed of concrete, wood, or other material for the purpose of resisting shoreline erosion caused by wind or waves.

(45) Hearings Board. “Hearings Board” means the Shoreline Hearings Board established by the SMA.

(46) Height. “Height” is measured from average grade level to the highest point of a structure; provided, that television antennas, chimneys, and similar appurtenances shall not be used in calculating height, except where such appurtenances obstruct the view of the shoreline of a substantial number of residences on areas adjoining such shorelines, or the applicable master program specifically requires that such appurtenances be included; provided further, that temporary construction equipment is excluded in this calculation (WAC 173-27-030).

(47) Houseboat. “Houseboat” means a vessel that is designed or used as a place of residence without a means of self-propulsion and steering equipment or capability.

(48) Landward. “Landward” means to or toward the land in a direction away from the water body.

(49) Maintenance. “Maintenance” means those usual acts to prevent a decline, lapse or cessation from a lawfully established condition or use.

(50) Marina. “Marina” means a facility offering dockage and other service for small water craft but excluding boating facilities as defined in this program, facilities serving four or fewer single-family residences, and accessory uses to public lands.

(51) Moorage Structure. “Moorage structure” means any structure or device, including but not limited to docks, moorage piles and buoys placed at or below the OHWM and designed to provide for the moorage of boats or other watercraft or vessels.

(52) Multifamily Residential Development. “Multifamily residential development” means a dwelling, apartment (SMC 21.04.040(B)(97)), townhouse (SMC 21.04.040(B)(99)) and similar structures containing two or more attached residential units. “Multifamily” shall not include cottage housing or accessory dwelling units.

(53) Native Shoreline Vegetation. “Native shoreline vegetation” means vegetation comprised of plant species, other than noxious weeds, that are indigenous to the Pacific Northwest and that reasonably could have been expected to naturally occur on the site.

(54) Natural or Existing Topography. “Natural or existing topography” means the topography of the lot, parcel, or tract of real property immediately prior to any site preparation or grading, including excavation or filling (WAC 173-27-030).

(55) Nonconforming Development. “Nonconforming development” or “nonconforming structure” means an existing structure that was lawfully constructed at the time it was built but is no longer fully consistent with present regulations such as setbacks, buffers or yards; area; bulk; height or density standards due to subsequent changes to the master program, except for such existing development that is defined as conforming development consistent with SMC 25.08.100.

(56) Nonconforming Lot. “Nonconforming lot” means a lot that was legally established at the time it was recorded with King County, but now contains less than the required width, depth or area due to currently effective development code (SMC Title 21) requirements and/or requirements of this program.

(57) Nonconforming Use. “Nonconforming use” means an existing shoreline use that was lawfully established prior to the effective date of this program, but which does not conform to the range of uses permitted in the site’s current zone and/or shoreline environment designation due to subsequent changes to this program.

(58) Non-Water-Oriented Uses. “Non-water-oriented uses” means those uses that are not water-dependent uses, water-related uses or water-enjoyment uses (WAC 173-26-020). Examples of non-water-oriented uses include professional offices, automobile sales or repair shops, mini-storage facilities, department stores, gas stations, and athletic fields.

(59) Normal Appurtenance. “Normal appurtenance” means a structure, site improvement, or use that is necessarily connected to the use and enjoyment of a principal use and is located landward of the OHWM. Normal appurtenances include a garage, deck, driveway, utilities, fences, septic tanks and drainfield, and grading which does not exceed 250 cubic yards and which does not involve placement of fill in any wetland or waterward of the ordinary high water mark. As authorized in WAC 173-27-040(2)(g), an accessory dwelling unit is considered a normal appurtenance.

(60)  No Net Loss. The concept of “no net loss,” as used herein, recognizes that any development has potential or actual, short-term or long-term impacts and that through application of appropriate development standards and employment of mitigation measures in accordance with the mitigation sequence, those impacts will be addressed in a manner necessary to assure that the end result will not diminish the shoreline resources and values as they currently exist. Where uses or development that impact ecological functions are necessary to achieve other objectives of RCW 90.58.020, master program provisions shall, to the greatest extent feasible, protect existing ecological functions and avoid new impacts to habitat and ecological functions before implementing other measures designed to achieve no net loss of ecological functions.

(61) Ordinary High Water Mark (OHWM). “Ordinary high water mark (OHWM)” means the mark on all lakes and streams that will be found by examining the beds and banks and ascertaining where the presence and action of waters are so common and usual and so long continued in all ordinary years as to mark upon the soil a character distinct from that of the abutting upland, in respect to vegetation, as that condition existed on June 1, 1971, as it may naturally change thereafter, or as it may change thereafter in accordance with permits issued by a local government or the Department of Ecology; provided, that in any area where the ordinary high water mark cannot be found, the ordinary high water mark adjoining fresh water shall be the line of mean high water (RCW 90.58.030(2)(b)).

(62) Owner. “Owner” means individuals holding legal title to real property; members in a limited liability company, shareholders or members in a corporation, or partners in a partnership that holds legal title to real property; or a public agency or public or private utility that owns right-of-way or other easement rights in real property.

(63) Personal Watercraft. “Personal watercraft” means a vessel of less than 16 feet in length that uses a water jet pump as its primary source of motor power and that is designed to be operated by a person sitting, standing, or kneeling on the vessel, rather than in the conventional manner of sitting or standing inside the vessel.

(64) Personal Watercraft Lift. “Personal watercraft lift” means a structure used for the dry berthing of personal watercraft above the water level and lowering of the personal watercraft into the water periodically. A personal watercraft lift is generally a manufactured unit without a canopy cover and may be attached to a dock, placed in the water adjacent to a dock, or erected as a stand-alone structure.

(65) Preferred Shoreline Use. “Preferred shoreline use” is identified in the Act as a use that is unique to or dependent upon a shoreline location. Water-dependent, water-related, and water-enjoyment and single-family residential developments are preferred shoreline uses according to the Act. (RCW 90.58.020)

(66) Primary Structure. “Primary structure” means the structure associated with the principal use of the property. If more than one structure is associated with the principal use of the property, the one with the highest assessed value shall be considered the primary structure.

(67) Priority Species. “Priority species” means any species designated by the Washington Department of Fish and Wildlife (WDFW) as requiring protective measures for their survival due to population status, sensitivity to habitat alteration, and/or recreational, commercial, or tribal importance, often but not exclusively referring to salmonid species. Priority species include state endangered, threatened, sensitive, and candidate species; animal aggregations (e.g., heron colonies, bat colonies) considered vulnerable; and species of recreational, commercial, or tribal importance that are vulnerable. See WAC 173-26-020.

(68) Private Beach Park Use. “Private beach park use” means privately owned shoreline properties used by an owner (or an ownership or membership group) for water-oriented recreational activities that are not associated with or subordinate to residential use, with associated facilities necessary for access, active use of shorelands and allowances for private docks, floats, and mooring buoys.

(69) Protective Bulkhead Common to Single-Family Residences. “Normal protective bulkhead common to single-family residences” means a bulkhead constructed on a lot zoned to permit one single-family residence and containing one single-family residence.

(70) Provisions. “Provisions” means policies, regulations, standards, guidelines, criteria, or environment designations (WAC 173-26-020).

(71) Public Access. “Public access” means the public’s ability to get to and use the state’s public waters, the water/land interface and associated public shoreline area. It includes physical access that is either lateral (areas paralleling the shore) or perpendicular (an easement or public corridor to the shore), and/or visual access facilitated by scenic roads and overlooks, viewing towers and other public sites or facilities.

(72) Public Interest. “Public interest” means the interest shared by the citizens of the state or community at large in the affairs of government, or some interest by which their rights or liabilities are affected including, but not limited to, an effect on public property or on health, safety, or general welfare resulting from a use or development (WAC 173-27-030).

(73) Public utility. “Public utility” means the facilities of a private business organization such as a public service corporation, or a governmental agency performing some public service and subject to special governmental regulations, the services that are paid for directly by the recipients thereof. Such services shall include but are not limited to: water supply, electric power, telephone, cablevision, natural gas and transportation for persons and freight. The term also includes broadcast towers, antennas and related facilities operated on a commercial basis.

(74) Repair. “Repair” means to restore to a state comparable to the original condition after deterioration or partial destruction.

(75) Replacement. “Replacement” means to rebuild using new materials.

(76) Restoration, or Ecological Restoration. “Restoration” or “ecological restoration” means the reestablishment or upgrading of impaired ecological shoreline processes or functions. This may be accomplished through measures including, but not limited to, revegetation, removal of intrusive shoreline structures and removal or treatment of toxic materials. “Restoration” does not imply a requirement for returning the shoreline area to aboriginal or pre-European settlement conditions (WAC 173-26-020).

(77) Revetment. “Revetment” means a sloped wall constructed of riprap or other suitable material placed on stream banks or other shorelines to retard bank erosion and minimize lateral stream movement. A revetment typically slopes away from the water and has a rough or jagged face. These features differentiate it from a bulkhead, which is a vertical structure.

(78) Riprap. “Riprap” means a layer, facing or protective mound of angular stones randomly placed to prevent erosion, scour or sloughing of a structure or embankment; also, the stone so used.

(79) Sediment. “Sediment” is material settled from suspension in a liquid medium.

(80) Setback. “Setback” means the minimum required distance between a structure and a specified line such as a lot, easement or buffer line that is required to remain free of structures (SMC 21.04.040(B)(310)).

(81) Shorelands. “Shorelands,” also referred to as “shoreland areas,” means those lands extending landward for 200 feet in all directions as measured on a horizontal plane from the OHWM; floodways and contiguous floodplain areas landward 200 feet from such floodways; and all wetlands and river deltas associated with the streams, lakes, and tidal waters that are subject to the provisions of this program; the same to be designated as to location by the Department of Ecology (RCW 90.58.030).

(82) Shoreline Conditional Use. “Shoreline conditional use” means a use specifically designated as a shoreline conditional use in the SMP or a use that is not classified within the SMP.

(83) Shoreline Environment Designation. “Shoreline environment designation” means the categories of shorelines of the state established by this program to differentiate between areas whose features imply differing objectives regarding their use and future development.

(84) Shoreline Jurisdiction. “Shoreline jurisdiction” means all shorelines of the state and shorelands as defined by this program and Chapter 90.58 RCW.

(85) Shoreline Modifications. “Shoreline modifications” means those actions that modify the physical configuration or qualities of the shoreline area, usually through the construction of a physical element such as a dike, breakwater, pier, weir, dredged basin, fill, bulkhead, or other shoreline structure. They can include other actions, such as clearing, grading, or application of chemicals (WAC 173-26-020).

(86) Shoreline Stabilization. “Shoreline stabilization” means actions taken to prevent or mitigate erosion impacts to property, dwellings, businesses, or structures caused by shoreline processes such as currents, floods, tides, wind or wave action. Shoreline stabilization includes but is not limited to structural armoring approaches such as bulkheads, bulkhead alternatives and nonstructural approaches such as bioengineering.

(87) Shorelines. “Shorelines” means all of the water areas within the City of Sammamish, including reservoirs, and their associated shorelands together with the lands underlying them; except:

(a) Shorelines of statewide significance;

(b) Shorelines on segments of streams upstream of a point where the mean annual flow is 20 cubic feet per second or less and the wetlands associated with such upstream segments; and

(c) Shorelines on lakes less than 20 acres in size and wetlands associated with such lakes (RCW 90.58.030(2)(d)).

(88) Shorelines of Statewide Significance. “Shorelines of statewide significance” means those shorelines described in RCW 90.58.030(2)(e) that are within the City of Sammamish. Lake Sammamish is a designated shoreline of statewide significance. This is a distinct subcategory of shorelines of the state.

(89) Shorelines of the State. “Shorelines of the state” are the total of all shorelines and shorelines of statewide significance within the City of Sammamish. Please also see definitions for “shorelines” (subsection (87) of this section) and “shorelines of the state” (RCW 90.58.030(2)(c)).

(90) Shoreline Variance. “Shoreline variance” is a means to grant relief from the specific bulk, dimensional or performance standards in the SMP. A shoreline variance is not a means to vary a use of a shoreline.

(91) Structure. “Structure” means anything permanently constructed in or on the ground, or over the water, excluding fences six feet or less in height, uncovered decks less than 18 inches above grade, uncovered paved areas, and structural or nonstructural fill (SMC 21.04.040(B)(356)).

(92) Substantial Development. “Substantial development” means any development that meets the requirements of RCW 90.58.030(3)(e).

(93) Transportation Use. “Transportation use” means a use whose primary purpose is the movement and circulation of people, goods, and services. This includes but is not limited to public roads, rails, parking areas, nonmotorized travel corridors, trails, and similar features.

(94) Vegetation Enhancement Area. “Vegetation enhancement area” means an area immediately landward of the OHWM in which existing trees and native vegetation are preserved or native vegetation is restored and in which up to 25 percent by area of preserved and/or restored vegetation can be comprised of noninvasive, nonnative vegetation.

(95) Vessel. “Vessel” includes ships, boats, barges, personal watercraft, or any other floating craft that are designed and used for navigation and do not interfere with the normal public use of the water (WAC 173-27-030).

(96) Water-Dependent Use. “Water-dependent use” means a use or portion of a use that cannot exist in a location that is not adjacent to the water and that is dependent on the water by reason of the intrinsic nature of its operations. Water-dependent uses are preferred uses of the shoreline according to the Act (SMC 21.04.040(B)(392)).

(97) Water-Enjoyment Use. “Water-enjoyment use” means a recreational use or other use that facilitates public access to the shoreline as a primary characteristic of the use; or a use that provides for recreational use or aesthetic enjoyment of the shoreline for a substantial number of people as a general characteristic of the use and which through location, design, and operation ensures the public’s ability to enjoy the physical and aesthetic qualities of the shoreline. In order to qualify as a water-enjoyment use, the use must be open to the general public and the shoreline-oriented space within the project must be devoted to the specific aspects of the use that foster shoreline enjoyment (WAC 173-26-020) (SMC 21.04.040(B)(393)).

(98) Water-Oriented Use. “Water-oriented use” means a use that is water-dependent, water-related, or water-enjoyment, or a combination of such uses (WAC 173-26-020) (SMC 21.04.040(B)(394)).

(99) Water-Related Use. “Water-related use” means a use or portion of a use that is not intrinsically dependent on a waterfront location but whose economic viability is dependent upon a waterfront location because:

(a) The use has a functional requirement for a waterfront location such as the arrival or shipment of materials by water or the need for large quantities of water; or

(b) The use provides a necessary service supportive of the water-dependent uses and the proximity of the use to its customers makes its services less expensive and/or more convenient (WAC 173-26-020) (SMC 21.04.040(B)(395)).

(100) Water Quality. “Water quality” means the physical characteristics of water within shoreline jurisdiction, including water quantity, hydrological, physical, chemical, aesthetic, recreation-related, and biological characteristics. Where used in this chapter, the term “water quantity” refers only to development and uses regulated under this chapter and affecting water quantity, such as impermeable surfaces and storm water handling practices. “Water quantity,” for purposes of this chapter, does not mean the withdrawal of ground water or diversion of surface water pursuant to RCW 90.03.250 through 90.03.340 (WAC 173-26-020).

(101) Wetland, Associated. “Associated wetland” means wetlands that are in proximity to lakes, rivers or streams that are subject to the Shoreline Management Act and either influence or are influenced by such waters. Factors used to determine proximity and influence include but are not limited to: location contiguous to a shoreline water body, presence of a surface connection including through a culvert or similar device, location in part or whole within the 100-year floodplain of a shoreline, periodic inundation, and/or hydraulic continuity. (Ord. O2019-493 § 1 (Att. 1); Ord. O2011-308 § 1 (Att. A))