10/21/2019 BOARD OF SELECTMEN Agenda Packet

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85 -2. DEFINITIONS For the purposes of this by-law, the following shall mean: AUTHORIZED ENFORCEMENT AGENCY: The Mashpee Department of Public Works(hereafter the DPW), its employees or agents designated to enforce this by-law. BEST MANAGEMENT PRACTICE (BMP): An activity, procedure, restraint,or structural improvement that helps to reduce the quantity or improve the quality of stormwater runoff. CLEAN WATER ACT: The Federal Water Pollution Control Act (33 U.S.C. § 1251 et seq.) as hereafter amended. DISCHARGE OF POLLUTANTS: The addition from any source of any pollutant or combination of pollutants into the municipal storm drain system or into the waters of the United States or Commonwealth from any source. GROUNDWATER: Water beneath the surface of the ground. ILLICIT CONNECTION: A surface or subsurface drain or conveyance, which allows an illicit discharge into the municipal storm drain system, including without limitation sewage, process wastewater, or wash water and any connections from indoor drains, sinks, or toilets, regardless of whether said connection was previously allowed, permitted, or approved before the effective date of this by-law [or ordinance] ILLICIT DISCHARGE: Direct or indirect discharge to the municipal storm drain system that is not composed entirely of stormwater, except as exempted in Section 7. The term does not include a discharge in compliance with an NPDES Storm Water Discharge Permit or a Surface Water Discharge Permit, or resulting from firefighting activities exempted pursuant to Section 7, subsection 4, of this by- law. IMPERVIOUS SURFACE: Any material or structure on or above the ground that prevents water infiltrating the underlying soil. Impervious surface includes without limitation roads, paved parking lots, sidewalks, and rooftops. MUNICIPAL SEPARATE STORM SEWER SYSTEM (MS4)or MUNICIPAL STORM DRAIN SYSTEM:The system of conveyances designed or used for collecting or conveying stormwater, including any road with a drainage system, street, gutter, curb, inlet, piped storm drain, pumping facility, retention or detention basin, natural or man-made or altered drainage channel, reservoir, and other drainage structure that together comprise the storm drainage system owned or operated by the Town of Mashpee. NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES)STORM WATER DISCHARGE PERMIT: A permit issued by United States Environmental Protection Agency or jointly with the State that authorizes the discharge of pollutants to waters of the United States. NON-STORMWATER DISCHARGE: Discharge to the municipal storm drain system not composed entirely of stormwater. 4