For the purpose of this chapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
   AUTHORIZED ENFORCEMENT AGENCY.  The town Department of Public Works and its employees and agents designated to enforce this chapter.
   BEST MANAGEMENT PRACTICES (BMPs).  Any measure that reduces the quantity or improves the quality of stormwater runoff including, but not limited to: schedules of activities, prohibitions of practices, general good house keeping practices, pollution prevention and educational practices, maintenance procedures, and other management 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.  The federal Water Pollution Control Act (33 U.S.C. §§ 1251 et seq.), and any subsequent amendments thereto.
   CONSTRUCTION ACTIVITY.  Activities subject to NPDES construction permits.  These include construction projects resulting in land disturbance of 1 acre or more.  Such activities include but are not limited to clearing and grubbing, grading, excavating, and demolition.
   HAZARDOUS MATERIALS.  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 present or potential hazard to human health, safety, property, or the environment when improperly treated, stored, transported, disposed of, or otherwise managed.
   ILLICIT CONNECTIONS.  Either of the following:
      (1)   Any drain or conveyance, whether on the surface or subsurface, which allows an illicit discharge to enter the storm drain system including, but not limited to any conveyances which allow any non-stormwater discharge including sewage, process wastewater, and wash water to enter the storm drain system and any connections to the storm drain system from indoor drains and sinks, regardless of whether said drain or connection had been previously allowed, permitted, or approved by an authorized enforcement agency before the effective date of this chapter; or
      (2)   Any drain or conveyance connected from a commercial or industrial land use to the storm drain system which has not been documented in plans, maps, or equivalent records and approved by an authorized enforcement agency.
   ILLICIT DISCHARGE.  Any direct or indirect non-stormwater discharge to the storm drain system, except as exempted in § 97.07 of this code.
   INDUSTRIAL ACTIVITY.  Activities subject to NPDES industrial permits as defined in 40 C.F.R. § 122.26(b)(14).
   MUNICIPAL SEPARATE STORM SEWER SYSTEM (MS4) or MUNICIPAL STORM DRAIN SYSTEM.  Publicly-owned facilities by which stormwater is collected and/or conveyed, including but not limited to any roads with drainage systems, municipal streets, gutters, curbs, inlets, piped storm drains, pumping facilities, retention and detention basins, natural and human-made or altered drainage channels, reservoirs, and other drainage structures that together comprise the storm drainage system owned or operated by the town.
   NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) STORMWATER DISCHARGE PERMIT.  A permit issued by EPA (or by a state under authority delegated pursuant to 33 U.S.C. § 1342(b)) that authorizes the discharge of pollutants to waters of the United States, whether the permit is applicable on an individual, group, or general area-wide basis.
   NON-STORMWATER DISCHARGE.  Any discharge to the storm drain system that is not composed entirely of stormwater.
   PERSON.  An individual, partnership, association, firm, company, trust, corporation, agency, authority, department or political subdivision of the Commonwealth or the federal government, to the extent permitted by law, and any officer, employee, or agent of such person.
   POLLUTANT.  Any element or property of sewage, agricultural, industrial or commercial waste, runoff, leachate, heated effluent, or other matter, in whatever form and whether originating at a point or major non-point source, which is or may be discharged, drained or otherwise introduced into any sewerage system, treatment works, or waters of the Commonwealth.
   POLLUTION.  The presence in the environment of pollutants in quantities or characteristics which are or may be injurious to human, plant or animal life or to property or which unreasonably interfere with the comfortable enjoyment of life and property throughout such areas as may be affected thereby.
   PREMISES.  Any building, lot, parcel of land, or portion of land whether improved or unimproved including adjacent sidewalks and parking strips.
   STORMWATER.  Any surface flow, runoff, and drainage consisting entirely of water from any form of natural precipitation, and resulting from such precipitation.
   STORMWATER POLLUTION PREVENTION PLAN.  A document which describes the best management practices and activities to be implemented by a person to identify sources of pollution or contamination at a site and the actions to eliminate or reduce pollutant discharges to stormwater, stormwater conveyance systems, and/or receiving waters to the maximum extent practicable.
   WASTEWATER.  Any water or other liquid, other than uncontaminated stormwater, discharged from a facility.
   WATERCOURSE.  A natural or man-made channel through which water flows or a stream of water, including a river, brook or underground stream.
   WATERS OF THE COMMONWEALTH.  All waters within the jurisdiction of the Commonwealth, including, without limitation, rivers, streams, lakes, ponds, springs, impoundments, estuaries, wetlands, coastal waters, and groundwater.
(Ord. O-2011-23, passed 5-11-2011)