The terms as used in this chapter shall have the following meanings:
AUTHORIZED ENFORCEMENT AGENT: The Director of Public Works and/or any individual designated by the Director of Public Works as an authorized enforcement agent.
BEST MANAGEMENT PRACTICES (BMPs): Schedules of activities, prohibitions of practices, maintenance procedures and other management practices to prevent or reduce the pollution of waters of the United States. BMPs also include treatment requirements, operating procedures and practices to control site runoff, spillage or leaks, sludge or waste disposal, or drainage from raw material storage.
BOISE CITY NONSTORMWATER DISPOSAL BEST MANAGEMENT PRACTICES: Best Management Practices adopted by reference by this chapter for nonstormwater disposal.
CFR: The Code of Federal Regulations.
CITY: The City of Boise City, Idaho.
CLEAN WATER ACT (CWA): Federal Water Pollution Control Act enacted by Public Law 92-500, as amended by Public Laws 95-217, 95-576, 96-483 and 97-117; 33 USC section 1251 et seq.
COMPREHENSIVE DRAINAGE PLAN: A stormwater management plan that covers all current and anticipated development on a site greater than ten (10) acres and sites planned for phased development.
DEVELOPMENT: Any construction, reconstruction, conversion, structural alteration, relocation or enlargement of any structure within the jurisdiction of Boise City, as well as any manmade change or alteration to the landscape, including, but not limited to, mining, drilling, dredging, grading, paving, excavating and filling.
DIRECTOR OF PUBLIC WORKS: The Director of the Boise City Public Works Department.
DISCHARGE: Any addition or introduction of any pollutant, stormwater or any other substance whatsoever into the Municipal storm sewer system (MS4), waters of the State or into waters of the United States.
DISCHARGER: Any person who causes, allows, permits or is otherwise responsible for a discharge, including, without limitation, any operator of a construction site or industrial facility.
FIREFIGHTING WATER: Any water, and any substance or materials contained therein, used in an emergency to control or extinguish a fire.
ILLICIT CONNECTION: Any physical connection to a publicly maintained storm drain system composed of nonstormwater which has not been permitted by the public entity responsible for the operation and maintenance of the system.
ILLICIT DISCHARGE: Any discharge to a storm drain that is not composed entirely of stormwater, except discharges pursuant to an NPDES permit.
IMPERVIOUS SURFACE: A surface which prevents or retards the penetration of water into the ground, including, but not limited to, roofs, sidewalks, patios, driveways, parking lots, concrete and asphalt paving, gravel, compacted native surfaces and earthen materials, and oiled, macadam or other surfaces which similarly impede the natural infiltration of stormwater.
MAJOR MODIFICATION: An alteration to an existing or planned stormwater drainage facility that does one or more of the following: changes the volume, surface area, depth, capacity, inflow rates, outflow rates or level of treatment by five percent (5%) or more; changes the treatment process; adds more than one thousand (1,000) square feet of impervious surface; or increases the tributary impervious drainage area to an individual drainage facility component by more than ten percent (10%).
MUNICIPAL NPDES PERMIT: An area wide NPDES permit that is issued to a government agency or agencies for the discharge of pollutants from any point source into the waters of the United States.
MUNICIPAL SEPARATE STORM SEWER SYSTEM (MS4): A conveyance or system of conveyance (including roads with drainage systems, Municipal streets, catch basin, curb, gutters, ditches, manmade channels or storm drains) owned or operated by a public body (created under State law) having jurisdiction over disposal of sewage, industrial wastes, stormwater or other wastes, including special districts under State law, such as sewer district, flood control district or drainage district, or similar entity that discharges to the waters of the United States and which are not part of a publicly owned treatment works (POTW) as defined at 40 CFR section 122.2.
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) PERMIT: A permit issued by the U.S. Environmental Protection Agency, Region X, in compliance with the Federal Clean Water Act for the discharge of pollutants from any point source into the waters of the United States.
NONSTORMWATER DISCHARGE: Any discharge that is not entirely composed of stormwater.
OWNER OR OPERATOR: The owner or operator of any facility or activity subject to regulation under the Federal NPDES Program, including operational and day to day control over facility activities.
PERSON: Any individual, firm, association, club, organization, corporation, partnership, business trust, company or other entity which is recognized by law as the subject of rights or duties.
POLLUTANT: Dredged spoil, solid waste, incinerator residue, filter backwash, sewage, garbage, sewage sludge, munitions, chemical wastes, biological materials, radioactive materials (except those regulated under the Atomic Energy Act of 1954, as amended) (42 USC section 2011 et seq.), heat, wrecked or discarded equipment, rock, sand, cellar dirt and industrial, Municipal and agricultural waste discharged into water, and as otherwise defined in 40 CFR section 122.2.
PREMISES: Any building, lot, parcel of land or portion of land, whether improved or unimproved, including adjacent sidewalks and parking strips.
REDEVELOPMENT: A project for which a building permit is required that proposes to add, replace and/or alter impervious surfaces affecting the existing drainage system, other than routine maintenance, resurfacing or repair. A project which meets the criteria of a major modification, as defined in this section, shall be considered a redevelopment.
STORMWATER: Water runoff and surface drainage associated with rainstorm events and snow melt.
STORMWATER MANAGEMENT: The process of collection, conveyance, storage, treatment and disposal of stormwater to ensure control of the magnitude and frequency of runoff and to minimize the hazards associated with flooding. Also includes implementing controls to reduce the discharge of pollutants, including management practices, control techniques and systems, design and engineering methods.
STORMWATER MANAGEMENT DESIGN MANUAL: The Design Standards Manual prepared by the Boise City Public Works Department, which provides design, performance and review criteria for stormwater management practices.
STORMWATER MANAGEMENT PLAN: Details of the drainage system, structures, BMPs, concepts and techniques that will be used to control stormwater, including drawings, engineering calculations, computer analyses, maintenance and operations procedures, and all other supporting documentation.
U.S. EPA: United States Environmental Protection Agency.
VARIANCE: A modification of the requirements of this chapter.
WATERS OF THE STATE: All the accumulations of water, surface and underground, natural and artificial, public and private, or parts thereof, which are wholly or partially within, which flow through or border upon, the State.
WATERS OF THE UNITED STATES: Waters as defined in 40 CFR section 122.2.
WETLAND: An area that is inundated or saturated by surface or ground water at a frequency and duration sufficient to support, and that under normal circumstances does support, a prevalence of vegetation typically adapted for life in saturated soil conditions. Wetlands generally include swamps, marshes, bogs and similar areas. (1952 Code § 8-15-01.03)