Natural Drainage Systems definition

Natural Drainage Systems means unlined or unimproved (not engineered) creeks, streams, rivers or similar waterways.
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Natural Drainage Systems means all drainages that have not been improved, e.g., channelized or armored with concrete, shotcrete, or riprap, or drainage systems that are tributary to a natural drainage system.
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Examples of Natural Drainage Systems in a sentence

  • Minimize the adverse impacts from storm water runoff on the biological integrity of Natural Drainage Systems and the beneficial uses of water bodies in accordance with requirements under CEQA (Cal.

  • Minimize the adverse impacts from storm water runoff on the biological integrity of Natural Drainage Systems and the beneficial uses of waterbodies in accordance with requirements under CEQA (Cal.

  • The Permittees shall implement a development-planning program that will require all Planning Priority development and Redevelopment projects to:• Minimize impacts from storm water and urban runoff on the biological integrity of Natural Drainage Systems and water bodies in accordance with requirements under CEQA (Cal.

  • The Permittees shall control post-development peak storm water runoff discharge rates, velocities, and duration (peak flow control) in Natural Drainage Systems (i.e., mimic pre-development hydrology) to prevent accelerated stream erosion and to protect stream habitat.

  • Preservation and Use of Natural Drainage Systems is intended to assure that discharge from the site occurs at natural locations so that natural drainage patterns can be maintained.

  • Describe the status of the development or implementation of peak flow controls in Natural Drainage Systems.

  • Point of discharge locations from the proposed project site that preserve the natural drainage patterns and existing outfall locations, in accordance with Minimum Requirement 4 (Preservation of Natural Drainage Systems and Outfalls).

  • Minimum Requirement No. 4 – Preservation of Natural Drainage Systems and OutfallsNatural drainage patterns shall be maintained, and discharges from the project site shall occur at the natural location, to the maximum extent practicable.

  • Minimum Requirement #4: Preservation of Natural Drainage Systems and Outfalls Natural drainage patterns shall be maintained, and discharges from the project site shall occur at the natural location, to the maximum extent practicable.

  • Stormwater Compliance Officer: 08/25/2022 August 25, 2022 Developers should consider Low-Impact Development standards the Town is looking to adopt in the near future, including: Protect Natural Drainage Systems - Maintain a minimum 25’ buffer on all natural water resources including intermittent channels.

Related to Natural Drainage Systems

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

  • Transportation project means any project that the department is authorized by law to undertake including but not limited to a highway, tollway, bridge, mass transit, intelligent transportation system, traffic management, traveler information services, or any other project for transportation purposes.

  • Energy storage system means a system which stores energy and releases it in the same form as was input.

  • International air transportation means transportation by air between a place in the United States and a place outside the United States or between two places both of which are outside the United States.

  • Utility system means a water system, solid waste

  • 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.