For the purpose of this chapter the following definitions shall apply unless the context clearly indicates or requires a different meaning.
ARIZONA POLLUTANT DISCHARGE ELIMINATION SYSTEM (AZPDES) STORMWATER PERMITS. A permit issued by the Arizona Department of Environmental Quality (ADEQ) under authority delegated pursuant to 33 United States Code & 1342(b). The permits authorize the discharge of pollutants to waters of the United States, whether the permit is applicable on an individual, group, or general area-wide basis.
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 discharges of pollutants directly or indirectly to stormwater, receiving waters, or stormwater conveyance systems. BMPs also include treatment practices, operating procedure, and practices to control site runoff, spillage or leaks, sludge or water disposal, or drainage from raw materials storage.
CITY. The City of Yuma, being in Yuma County, State of Arizona.
CONSTRUCTION ACTIVITY. Activities subject to AZPDES Construction General Permit No. CGP 2013.
ENGINEER. City Engineer or firm or person and their properly authorized assistants and inspectors designated by the city to prepare plans and administer stormwater management.
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. An illicit connection is defined as either of the following:
(1) Any drain or conveyance, whether on the surface or subsurface, which allows an illegal discharge to enter the MS4 including but not limited to any conveyances which allow any non-stormwater discharges including sewage, process wastewater, and wash water to enter the MS4 and any connections to the MS4 from indoor drains and sinks, regardless of whether said drain or connection had been previously allowed, permitted, or approved by the city or;
(2) Any drain or conveyance connected from a commercial or industrial land use to the MS4 which has not been documented in plans, maps or equivalent records and approved by authorized enforcement agency.
INDUSTRIAL ACTIVITY. Activities subject to AZPDES Multi-Sector General Permit (MSGP) as regulated by Arizona Department of Environmental Quality (ADEQ).
NON-STORMWATER DISCHARGE. Any discharge to the MS4 that is not composed entirely of stormwater.
OPERATOR. Someone who maintains overall or day-to-day operational control over activities at a commercial establishment, an industrial facility or a construction site that will ensure compliance with the AZPDES stormwater and local regulations. Typically, this refers to the owner or manager.
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: fats, oil and grease, 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 o
r abandoned objects and accumulations, so that 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; waste and residues that result from constructing a building or structure; and noxious or offensive matter of any kind.
PREMISES. Any building, lot, parcel of land or portion of land whether improved or unimproved including adjacent sidewalks and parking areas.
MUNICIPAL SEPARATE STORM SEWER SYSTEM (MS4). City or publicly-owned facilities by which only stormwater is collected and/or conveyed, including but not limited to any roads with drainage systems, municipal streets, gutters, curbs, inlets, forcemains, spillways, pipes, manholes, catch basins, pumping facilities, dry wells, wet wells, retention and detention basins, natural and human-made or altered drainage channels, reservoirs and other drainage structures.MS4s do not include combined sewer systems in which both sewage and stormwater are conveyed at the same lines.
STORMWATER. Any surface flow, runoff, and drainage consisting entirely of water from any form of natural precipitation, and resulting solely from such precipitation.
STORMWATER POLLUTION PREVENTION PLAN (SWPPP). A document which describes the best management practices and activities to be implemented by a person or business to identify sources of pollution or contamination at site and the action to eliminate or reduce pollutant discharges to stormwater, MS4, 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 definite channel with bed and banks within which water flows, either continuously or in season.
WATERS OF THE UNITED STATES. All waters which are currently used (or used in the past) for interstate or foreign commerce. All interstate waters, including wetlands. All other waters, the use of or degradation of which would affect interstate or foreign commerce (including recreation, fishing, and industrial uses). All impoundments of waters. The territorial sea and wetlands adjacent to waters identified above.
(Ord. O2005-15, passed 2-16-05; Ord. O2021-022, passed 8-4-21)