Natural Drainage System definition

Natural Drainage System means a drainage system that has not been improved (e.g., channelized or armored). The clearing or dredging of a natural drainage system does not cause the system to be classified as an improved drainage system.
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Natural Drainage System means the physical beds and boundaries of receiving waters, including those natural drainage systems that have been altered by human actions.
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Natural Drainage System means any unlined or unimproved (not engineered) creek, stream, river, or similar waterway.
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Examples of Natural Drainage System in a sentence

  • The city of Seattle is implementing a new Natural Drainage System Program (NDS) for retrofitting residential streets that replaces conventional curb and gutter or roadside ditches with bioretention swales.

  • A provider may have additional delegates informally identified to serve as a delegate but the provider can only have 10 active delegates at any time assigned to his/her account.

  • Only one of these, the state-listed “Aquatic Ecological Community In The Natural Drainage System of the Lower Murray River Catchment” (Lower Murray River aquatic ecological community), was found to be present at the proposal site• Four state-listed threatened flora species have the potential to occur in the study area.

  • However, developments located within watershed protection overlay districts shall comply with the applicable additional requirements of Section 12-1.12-3.1 Natural Drainage System Utilized to Extent Feasible (A) To the extent practicable, all development shall conform to the natural contours of the land and natural and pre-existing man-made drainage ways shall remain undisturbed.

  • The Venema Natural Drainage System (NDS) Project will provide flow control and stormwater quality treatment in the Venema basin which will improve hydrology and water quality in Venema Creek, a tributary of Piper’s Creek.

  • Tree Planting within Bioretention Swale (Figure 6-22)Additional written guidance is provided in Natural Drainage System (NDS) guidance for Swales in the highlight design components that are not easily represented in the Natural Drainage Swale details.The soils for use in bioretention systems should be designed for Stormwater Code compliance using thBioretention Soil Specification must be used.The information provided here is specific to placing swales within the street ROW.

  • All sites are different so the project’s engineer may need to modify the details provided to address local conditions.There are a few guiding principles for the site engineer to consider when designing a Natural Drainage System (NDS) project in the street right-of-way: Minimize impermeable surfaces: Avoid paving or compacting soils where it is not necessary.

  • The design guidance in this chapter typically applies to street improvements using Natural Drainage System (NDS) elements, and may need to be modified to address local conditions.

  • Current CIP efforts implementing priorities within this investment area are summarized below.• Natural Drainage System (NDS) partnering program.

  • Figure 6-10: Natural Drainage System Menu of Options [ 535 kb ] identifies appropriate NDS options based on the permit type.

Related to Natural Drainage System

  • Sewage system means the entire sewage treatment and subsurface disposal system;

  • Sewerage system means pipelines or conduits, pumping stations, and force mains, and all other

  • Sewage sludge means a solid, semi-solid, or liquid residue generated during the treatment of domestic sewage in a treatment works as defined in section 6111.01 of the Revised Code. "Sewage sludge" includes, but is not limited to, scum or solids removed in primary, secondary, or advanced wastewater treatment processes. "Sewage sludge" does not include ash generated during the firing of sewage sludge in a sewage sludge incinerator, grit and screenings generated during preliminary treatment of domestic sewage in a treatment works, animal manure, residue generated during treatment of animal manure, or domestic septage.

  • Utility system means a water system, solid waste

  • E-System means any electronic system approved by Agent, including Intralinks® and ClearPar® and any other Internet or extranet-based site, whether such electronic system is owned, operated or hosted by Agent, any of its Related Persons or any other Person, providing for access to data protected by passcodes or other security system.

  • Rechargeable Electrical Energy Storage System (REESS) means the rechargeable energy storage system that provides electric energy for electrical propulsion.

  • Stormwater management system means any equipment, plants,

  • Sanitary landfill means an engineered land burial facility for the disposal of household waste that is so located, designed, constructed, and operated to contain and isolate the waste so that it does not pose a substantial present or potential hazard to human health or the environment. A sanitary landfill also may receive other types of solid wastes, such as commercial solid waste, nonhazardous sludge, hazardous waste from conditionally exempt small quantity generators, construction, demolition, or debris waste and nonhazardous industrial solid waste. See 9VAC20-81 (Solid Waste Management Regulations) for further definitions of these terms.