For the purpose of this subchapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
ACCIDENTAL DISCHARGE. A discharge prohibited by this chapter which occurs by chance and without planning or thought prior to occurrence.
BUILDING DRAIN. That part of the lowest horizontal piping of a building drainage system which receives the discharge from soil waste and other drainage pipes inside the walls of any building and conveys the same to the building storm sewer.
BUILDING SEWER. That part of the horizontal portion of the building drainage system extending from the building drain to its connection with the septic tank carrying the sewage of but one building.
ILLICIT DISCHARGE. Any direct or indirect non-stormwater discharge to the municipal separate storm sewer system, except as exempted in § 56.33.
ILLEGAL CONNECTION. Either of the following:
(1) Any pipe, open channel, 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, regardless of whether such pipe, open channel, drain or conveyance has been previously allowed, permitted, or approved by an authorized enforcement agency; or
(2) Any pipe, open channel, drain or conveyance connected to the municipal separate storm sewer system which has not been documented in plans, maps, or equivalent records and approved by an authorized enforcement agency.
INDIVIDUAL SEWAGE DISPOSAL SYSTEM. A sewage disposal system, other than a public or community system, which receives sewage from an individual establishment. Unless otherwise indicated, the word SYSTEM as it appears in this chapter means INDIVIDUAL SEWAGE DISPOSAL SYSTEM.
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) STORMWATER DISCHARGE PERMIT. A permit issued by the Minnesota Pollution Control Agency (MPCA) under authority delegated pursuant to 33 USC § 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.
MUNICIPAL SEPARATE STORM SEWER SYSTEM (MS4). A conveyance or system of conveyances designed or used for collecting and/or conveying stormwater, including but not limited to any roads with drainage systems, highways, municipal streets, curbs, gutters, inlets, catch basins, piped storm drains, pumping facilities, structural stormwater controls, ditches, swales, natural and man-made or altered drainage channels, reservoirs, and other drainage structures, and which is:
(1) Owned or maintained by North St. Paul;
(2) Not a combined sewer; and
(3) Not part of a Publicly-Owned Treatment Works (POTW) as defined at 40 CFR 122.2.
NON-STORMWATER DISCHARGE. Any discharge to the storm sewer system not composed entirely of stormwater.
POLLUTANT. Anything which causes or contributes to pollution. Pollutants may include, but are not limited to: chlorine, paints, varnishes, and solvents; petroleum hydrocarbons; automotive fluids; cooking grease; detergents (biodegradable or otherwise); degreasers; cleaning chemicals; non-hazardous liquid and solid wastes and yard wastes; refuse, rubbish, garbage, litter, or other discarded or abandoned objects and accumulations, so that same may cause or contribute to pollution; floatables; pesticides, herbicides, and fertilizers; liquid and solid wastes; sewage, fecal coliform and pathogens; dissolved and particulate metals; animal wastes; wastes and residues that result from constructing a building or structure; concrete and cement; and noxious or offensive matter of any kind.
RAW SEWAGE. Sewage which has not been subjected to any treatment process.
SEWAGE. Any water-carried domestic waste, exclusive of footing and roof drainage, of any residence, industry or commercial establishment, whether treated or untreated, and includes the liquid wastes produced by bathing, laundry and culinary operations and from toilets and floor drains.
STORMWATER RUNOFF or STORMWATER. Any surface flow, runoff, and drainage consisting entirely of water from any form of natural precipitation, and resulting from such precipitation.
STRUCTURAL STORMWATER CONTROL. A structural stormwater management facility or device that controls stormwater runoff and changes the characteristics of that runoff including, but not limited to, the quantity and quality, the period of release or the velocity of flow.
(`89 Code, § 162.020) (Ord. 657, passed 12-20-2005; Am. Ord. 735, passed 4-21-2015)