"AKART"means all known, available and reasonable methods of prevention, control and treatment as established by the State Water Pollution Control Act, RCW
90.48.010 and
90.48.520.
"Best management practices" or "BMPs"means schedules of activities, prohibitions of practices, maintenance procedures, and structural or managerial practices to prevent or reduce the discharge of pollutants directly or indirectly to stormwater, receiving waters, or stormwater conveyance systems. BMPs also include treatment practices, operating procedures and practices to control site runoff, spillage or leaks, sludge or water disposal, or drainage from raw materials storage.
"Clean Water Act"means the Federal Water Pollution Control Act (33 U.S.C.
1251 et seq.), and any subsequent amendments thereto.
"Ground water"means water in a saturated zone or stratum beneath the surface of the land or below a surface water body.
"Hazardous materials"means any material, including any substance, waste, or combination thereof, which because of its quantity, concentration, or physical, chemical, or infectious characteristics may cause, or significantly contribute to, a substantial immediate or potential hazard to human health, safety, property, or the environment when improperly treated, stored, transported, disposed of, or otherwise managed.
"Hearing officer"means the official appointed by the city for administrative hearings.
"Illicit connection"is defined as either of the following:
(a) Any drain, conveyance, or hydraulic connection, whether surface or subsurface, which allows an illegal discharge to enter the stormwater drainage system including, but not limited to, any conveyances which allow sewage, process wastewater, or wash water to enter the stormwater drainage system and any connections to the stormwater drainage system from indoor drains and sinks, regardless of whether the connection had been previously allowed, permitted, or approved by the city or other authorized public agency.
(b) Any drain or conveyance connected to the stormwater drainage system from a residential, commercial, or industrial land use, including roof downspout systems, which does not conform to this chapter.
"Illicit discharge"means any direct or indirect nonstormwater discharge to the stormwater drainage system, except as permitted or exempted in CMC 14.20.040(1)(c).
"Municipal separate storm sewer system (MS4)"or "stormwater drainage system" includes, but is not limited to, the system of conveyances including sidewalks, roads with drainage systems, municipal streets, catch basins, curbs, street gutters, ditches, dry wells, retention and detention ponds, manmade channels, or storm drains owned and operated by the city.
"Permit boundary"means the geographic areas of the entire incorporated area of the city of Clarkston and the city of Asotin and the urbanized areas and urban growth areas of the cities and the urbanized area under the jurisdictional control of Asotin County and includes the 20-year growth boundary as defined by the metropolitan planning organization.
"Person(s)"shall mean any individual, firm, company, partnership, association, corporation or group.
"Pollutant" or "pollution"shall be construed to mean such contamination or other alteration of the physical, chemical, or biological properties of any of the waters of the state including change in temperature, taste, color, turbidity, or odor of the waters or such discharge of any liquid, gaseous, solid, radioactive, or other substance into any waters of the state as will or is likely to create a nuisance or render such waters harmful, detrimental, or injurious to the public health, safety, or welfare, or to domestic, commercial, industrial, agricultural, recreational, or other legitimate beneficial uses, or to livestock, wild animals, birds, fish, or other aquatic life; as defined in RCW
90.48.020 as now existing or hereafter amended.
"Stormwater"means that portion of precipitation that does not naturally percolate into the ground or evaporate, but flows via overland flow, interflow, pipes and other features of a stormwater drainage system into a defined surface water body, or a constructed infiltration facility.
"Surface waters"includes lakes, rivers, ponds, streams, inland waters, salt waters, wetlands, other surface waters, and watercourses as well as shallow ground water.
"Wastewater" or "process wastewater"means any liquid or water which, during manufacturing or processing, comes into direct contact with or results from the production or use of any raw material, intermediate product, finished product, byproduct, or waste product.
"Watercourse" and "river or stream"means any portion of a channel, bed, bank, or bottom below the ordinary high water line of waters of the state including areas in which fish may spawn, reside, or through which they may pass, and tributary waters with defined bed or banks, which influence the quality of fish habitat downstream. This includes watercourses which flow on an intermittent basis or which fluctuate in level during the year and applies to the entire bed of such watercourse whether or not the water is at peak level. This definition does not include irrigation ditches, canals, stormwater runoff devices, or other entirely artificial watercourses, except where they exist in a natural watercourse which has been altered by humans.
"Waters of the state"means all lakes, rivers, ponds, streams, inland waters, underground waters, salt waters, and all other surface waters and watercourses within the jurisdiction of the state of Washington as defined in Chapter
90.48 RCW.
(Ord. 1456 § 1, 2009)