Open drainage definition

Open drainage means drainage systems utilizing open side ditches, tail, lateral and outfall ditches to convey surface water to outfall streams.
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Open drainage means a natural or manmade path, ditch or channel which has the specific function of transmitting natural stream water or Stormwater from a point of higher elevation to a point of lower elevation.
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Examples of Open drainage in a sentence

  • Open drainage systems shall be preferred on all new development sites to convey stormwater where feasible.

  • Open drainage shall include rock dams every thirty (30) feet in the ditchline on slopes.

  • Open drainage system is provided in towns for collection and conveyance of rain water from the town.

  • Friends or non-parental family members who are not active GOVS students are strictly prohibited from entering the building.8. The GOVS Student Center shares a public building with students and staff from other school groups.

  • Open drainage systems shall be preferred on all new development sites to convey storm water where feasible.

  • Open drainage featuring grassed areas will be preferred as providing better filtration than pits and shafts.

  • Open drainage basins are all basins not meeting the definition of a closed drainage basin.

  • Annual Surveys are to be held within 3 months before or after each anniversary date from the date of the initial classification survey or the completion for the last Special Survey.

  • Open drainage systems include stormwater conveyance systems that were created entirely by artificial means, such as roadside ditches and storm or surface water runoff facilities.

  • Open drainage systems are preferred on all new development sites to convey storm water where feasible.

Related to Open drainage

  • 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.

  • 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;

  • 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.

  • Drainage area means a geographic area within which stormwater, sediments, or dissolved materials drain to a particular receiving waterbody or to a particular point along a receiving waterbody.

  • drainage work means any watercourse and includes any land which is expected to provide flood storage capacity for any watercourse and any bank, wall, embankment or other structure, or any appliance, constructed or used for land drainage or flood defence;

  • Slug loading means any pollutant, including oxygen demanding pollutants, released in a discharge at a flow rate and/or pollutant concentration as to cause interference in the POTW.

  • 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.

  • 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.

  • Underground storage tank system means an underground storage tank and the connected underground piping, underground ancillary equipment, and containment system, if any.

  • Impact surface means an interior or exterior surface that is subject to damage by repeated sudden force such as certain parts of door frames.

  • Irrigation means application of water to land areas to supply the water needs of

  • Underground injection means the subsurface emplacement of fluids through a bored, drilled or driven well; or through a dug well, where the depth of the dug well is greater than the largest surface dimension. (See also “injection well”.)

  • Underground facility means any item which shall be buried or placed below ground for use in connection with the storage or conveyance of water, sewage, electronic, telephone or telegraphic communications, electric energy, oil, gas or other substances, and shall include, but not be limited to pipes, sewers, conduits, cables, valves, lines, wires, manholes, attachments and those portions of poles and their attachments below ground.

  • Sludge dryer means any enclosed thermal treatment device that is used to dehydrate sludge and that has a maximum total thermal input, excluding the heating value of the sludge itself, of 2,500 Btu/lb of sludge treated on a wet-weight basis.

  • 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.

  • Vegetation means trees, shrubs, nursery stock and other vegetation and includes the limbs or growth of any Vegetation.

  • 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.

  • Sanitary Sewer Overflow or “SSO” means an overflow, spill, diversion, or release of wastewater from or caused by Akron’s Sanitary Sewer System. This term shall include: 1) discharges to waters of the State or United States from Akron's Sanitary Sewer System; and 2) any release of wastewater from Akron's Sanitary Sewer System to public or private property that does not reach waters of the State or the United States, including Building/Property Backups.

  • Surface water means all water which is open to the atmosphere and subject to surface runoff.

  • Groundwater means all water, which is below the surface of the ground in the saturation zone and in direct contact with the ground or subsoil.

  • Drip irrigation means any non-spray low volume irrigation system utilizing emission devices with a flow rate measured in gallons per hour. Low volume irrigation systems are specifically designed to apply small volumes of water slowly at or near the root zone of plants.

  • Surface waters means all waters of the state as defined in G.S. 143-212 except underground waters

  • Floodproofing means any combination of structural and nonstructural additions, changes, or adjustments to structures which reduce or eliminate flood damage to real estate or improved real property, water and sanitation facilities, structures, and their contents.

  • Sewer System means pipelines or conduits, pumping stations, force mains, vehicles, vessels, conveyances, injection wells, and all other constructions, devices, and appliances appurtenant thereto used for conducting sewage or industrial waste or other wastes to a point of ultimate disposal or disposal to any water of the state. To the extent that they are not subject to section 402 of the federal Water Pollution Control Act, ditches, pipes, and drains that serve only to collect, channel, direct, and convey nonpoint runoff from precipitation are not considered as sewer systems for the purposes of this part of this division.

  • Sanitary Sewer System means all facilities, includ- ing approved LOSS, used in the collection, transmission, storage, treatment, or discharge of any waterborne waste, whether domestic in origin or a combination of domestic, commercial, or industrial wastewater. LOSS are only consid- ered sanitary sewer systems if they are designed to serve urban densities. Sanitary sewer system is also commonly known as public sewer system.

  • Surface impoundment or "impoundment" means a facility or part of a facility which is a natural topographic depression, man-made excavation, or diked area formed primarily of earthen materials (although it may be lined with man-made materials), which is designed to hold an accumulation of liquid wastes or wastes containing free liquids, and which is not an injection well. Examples of surface impoundments are holding, storage, settling, and aeration pits, ponds, and lagoons.