Dewatering means the removal of water for construction activity. It can be a discharge of appropriated surface or groundwater to dry and/or solidify a construction site. It may require Minnesota Department of Natural Resources permits to be appropriated and if contaminated may require other MPCA permits to be discharged.
Stormwater management planning area means the geographic area for which a stormwater management planning agency is authorized to prepare stormwater management plans, or a specific portion of that area identified in a stormwater management plan prepared by that agency.
Stormwater management planning agency means a public body authorized by legislation to prepare stormwater management plans.
Regulatory Floodway means the channel of a river or other watercourse and the adjacent land areas that must be reserved in order to discharge the base flood without cumulatively increasing the water surface elevation more than a designated height.
Drainage system means one or more artificial ditches, tile drains or similar devices which collect surface runoff or groundwater and convey it to a point of discharge.
Underground source of drinking water means an aquifer or its portion:
Water surface elevation means the height, in relation to the National Geodetic Vertical Datum (NGVD) of 1929, the North American Vertical Datum (NAVD) of 1988, or other datum, where specified, of floods of various magnitudes and frequencies in the floodplains of riverine areas.
Stormwater runoff means water flow on the surface of the ground or in storm sewers, resulting from precipitation.
Graywater means untreated wastewater that has not been contaminated by any toilet discharge, has not been affected by infectious, contaminated, or unhealthy bodily wastes, and does not present a threat from contamination by unhealthful processing, manufacturing, or operating wastes. “Graywater” includes, but is not limited to, wastewater from bathtubs, showers, bathroom washbasins, clothes washing machines, and laundry tubs, but does not include wastewater from kitchen sinks or dishwashers. Health and Safety Code Section 17922.12.
Mine drainage means any drainage, and any water pumped or siphoned, from an active mining area or a post-mining area. The abbreviation “ml/l” means milliliters per liter.
Seaplane means an aircraft that is capable of landing and taking off on the water.
Navigable waters ’ means the waters of the United States, including the territorial sea;
Tunnelling means the construction of any tunnel beneath the natural surface of the earth for a purpose other than the searching for or winning of a mineral
townsite in relation to the townsite to be established near the harbour means a townsite (whether or not constituted and defined under section 10 of the Land Act) primarily to facilitate the Company’s operations in and near the harbour and for employees of the Company and in relation to the mining areas means such a townsite or townsites or any other townsite or townsites which is or are established by the Company for the purposes of its operations and employees on or near the mining areas in lieu of a townsite constituted and defined under section 10 of the Land Act;
Hood means a respiratory inlet covering that completely covers the head and neck and may also cover portions of the shoulders and torso.
Curbside “Curb” means that portion of the right-of-way adjacent to paved or traveled roadways, including the end of a driveway, curb line or alley line. Containers will be placed as close to the roadway as practicable without interfering with or endangering the movement of vehicles or pedestrians.
Drywell means an unlined or partially lined underground pit (regardless of geometry) into which drainage from roofs, basement floors, water softeners or other non-wastewater sources is discharged and from which the liquid seeps into the surrounding soil.
Stormwater management facility means a control measure 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.
Drainage means the movement of water to a place of disposal, whether by way of the natural characteristics of the ground surface or by artificial means;
Stormwater management plan means the set of drawings and other documents that comprise all the information and specifications for the programs, drainage systems, structures, BMPs, concepts and techniques intended to maintain or restore quality and quantity of stormwater runoff to pre-development levels.
Sailboat means the same as that term is defined in Section 73-18-2.
Underground storage means storage of gas in a subsurface stratum or formation of the earth.
Solid waste management facility means a site used for planned treating, long term storage, or
water meter means any apparatus for measuring or showing the volume of water supplied to, or of effluent discharged from any premises;
Water Surface Elevation (WSE means the height, in relation to NAVD 1988, of floods of various magnitudes and frequencies in the floodplains of riverine areas.
Waterbody means any accumulation of water, surface or underground, natural or artificial, including rivers, streams, creeks, ditches, swales, lakes, ponds, marshes, wetlands, and ground water. The term does not include any storage or treatment structures.