Wherever used in this chapter, the following terms shall bear the meanings herein.
ACCIDENTAL DISCHARGE. A discharge prohibited by this chapter which occurs by chance and without planning or thought prior to occurrence.
BEST MANAGEMENT PRACTICES (BMPS). Schedules of activities, prohibitions of practices, general good housekeeping 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 water, 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.
CONSTRUCTION ACTIVITY. Activities subject to the NPDES construction permits. Currently, these include construction projects resulting in land disturbance of one acre or more. Such activities include, but are not limited to clearing and grubbing, grading, excavation, 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.
ILLEGAL DISCHARGE. Any direct or indirect non-stormwater discharge to the storm drain system, except as exempted in § 24-2-7 of this chapter.
ILLICIT CONNECTIONS. Any drain or conveyance, whether on the surface or subsurface, which allows an illegal 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 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 or, 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.
INDUSTRIAL ACTIVITY. Activities subject to NPDES industrial permits as defined in 40 C.F.R. § 122.26(b)(14).
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 water 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. Any individual, association, organization, partnership, firm, corporation, or other entity recognized by law and acting as either the owner or as the owner’s agent.
POLLUTANT. Anything which causes or contributes to pollution. POLLUTANTS may include, but are not limited to paints, varnishes, and solvents; oil and other automotive fluids; non-hazardous liquid and solid wastes and yard wastes; refuse, rubbish, garbage, litter, or other discarded or abandoned objects, ordinances, and accumulations, so the same may cause or contribute to pollution; floatables; pesticides, herbicides, and fertilizers; hazardous substances and wastes; sewage, fecal coliform and pathogens; dissolved and particulate metals; animal wastes; wastes and residues that result from constructing a building or structure; and noxious or offensive matter of any kind. POLLUTANTS lead to the human-made or human-induced alteration of the chemical, physical, biological, or radiological integrity of an aquatic ecosystem.