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provisions of this subsection have been complied with. (Ord. 745, 12-30-74; amd. 1995 Code) 803.3 : STORM WATER ILLICIT DISCHARGE AND CONNECTIONS: A. Purpose: The purpose of the ordinance is to promote, preserve and enhance the natural resources within the City and protect them from adverse effects caused by non -storm water discharge by regulating discharges that would have an adverse and potentially irreversible impact on water quality and environmentally sensitive land. This ordinance will provide for the health, safety, and general welfare of the citizens of the City of Roseville through the regulation of non -storm water discharges to the storm drainage system to the maximum extent practicable as required by federal and state law. This ordinance establishes methods for controlling the introduction of pollutants into the municipal separate storm sewer system (MS4) in order to comply with requirements of the National Pollutant Discharge Elimination System (NPDES) permit process. The objectives of this ordinance are: 1. To regulate the contribution of pollutants to the municipal separate storm sewer system (MS4) by storm water discharges by any person. 2. To prohibit Illicit Connections and Discharges to the municipal separate storm sewer system. 3. To establish legal authority to carry out all inspection, surveillance and monitoring procedures necessary to ensure compliance with this ordinance. B. Definitions: For the purposes of this ordinance, the following terms, phrases, words and their derivatives shall have the meaning stated below. 1. BEST MANAGEMENT PRACTICE (BMP): Erosion and sediment control and water quality management practices that are the most effective and practicable means of controlling, preventing, and minimizing the degradation of surface water, including construction -phasing, minimizing the length of time soil areas are exposed, prohibitions, and other management practices published by state or designated area - wide planning agencies. a. Non-structural BMP: Practices that focus on preserving open space, protecting natural systems, and incorporating existing landscape features such as wetlands and stream corridors to manage storm water at its source. Other practices include clustering and concentrating development, minimizing disturbed areas, and reducing the size of impervious areas. b. Structural BMP: a physical device that is typically designed and constructed to trap or filter pollutants from runoff, or reduce runoff velocities. 2. COMMERCIAL: Activity conducted in connection with a business. 3. DISCHARGE: Adding, introducing, releasing, leaking, spilling, casting, throwing, or emitting any pollutant, or placing any pollutant in a location where it is likely to pollute waters of the state. 4. EQUIPMENT: Implements used in an operation or activity. Examples include, but are not limited to; lawn mowers, weed whips, shovels, wheelbarrows and construction equipment. 5. EROSION: any process that wears away the surface of the land by the action of water, wind, ice, or gravity. Erosion can be accelerated by the activities of man and nature. 6. GROUNDWATER: Water contained below the surface of the earth in the saturated zone including, without limitation, all waters whether under conned, unconfined, or perched conditions, in near surface unconsolidated sediment or regolith, or in rock formations deeper underground. 7. ILLEGAL/ ILLICIT DISCHARGE: Any direct or indirect non -storm water discharge to the storm drainage system, except as exempted in this chapter.