Grass swale definition

Grass swale means a type of vegetative practice used to filter storm water run-off via a vegetated, shallow-channel conveyance.
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Examples of Grass swale in a sentence

  • Grass swale in combination with porous pavement detention or porous landscape detention.

  • No person shall divert water from his or her property onto that of another person, other than into natural drainageways, unless site grading plans, as described in Chapter 5.000 of the Loudoun County Facilities Standards Manual, are prepared and approved by the Directors of the Departments of Health and Building and Development.(4) Grass swale.

  • Grass swale efficiency:* Minimum 20 feet wide and 100 feet long (no check dams) = 10% eff.* Minimum 20 feet wide and 100 feet long (with check dams) = 20% eff.

  • Grass swale drainage areas should also be divided when soil types or swale treatments or geometries change.

  • Grass swale drainage areas can extend past the highway right-of-way depending upon the slope of the land, and can include significant areas outside of the right-of-way, depending upon local topography.

  • Grass swale that will be maintained by the farm operator and function to infiltrate runoff water from industrial lots.

  • Table C9-S1- 4: Design criteria summary for vegetated open channel practices Type of practiceChapter 9- Section 2 Grass Swales‌ Grass swale (VA DCR, 1999) Description: Grass swales are designed to convey stormwater runoff at a non-erosive velocity, as well as enhance its water quality through infiltration, sedimentation, and filtration.

  • Grass swale drainages and wet ponds have been shown to provide high levels of control for highway runoff and should be used whenever possible.

  • Storage BMPs: Bioretention with underdrain Extended dry detention pond Grass swale Gravel wetland Sand filter Wet pond Porous pavement1 (with under-liner and/or underdrain)1If you chose porous pavement, please enter the Filter Course Depth: inches Infiltration BMPs2: Infiltration trench Infiltration basin Surface infiltration Infiltrating bioretention Porous pavement with infiltration (no under-liner or underdrain) 2.

Related to Grass swale

  • Swale means a shallow depression in the ground sloping to a place for disposal for the purpose of providing a method of drainage of surface water.

  • Glass cleaner means a cleaning product designed primarily for cleaning surfaces made of glass. Glass cleaner does not include products designed solely for the purpose of cleaning optical materials used in eyeglasses, photographic equipment, scientific equipment and photocopying machines.

  • M2M Flowgate means Flowgates where constraints are jointly monitored and coordinated as defined and set forth in Schedule D to this Agreement.

  • Pistol means any firearm with a barrel less than sixteen inches in length, or is designed to be held and fired by the use of a single hand.

  • Crosswalk means that part of a roadway at an intersection included within the connections of the

  • B-BBEE means broad-based black economic empowerment as defined in section 1 of the Broad-Based Black Economic Empowerment Act;

  • Panchayat means an institution (by whatever name called) of self-government constituted under article 243B, for the rural areas;

  • Raffle means a lottery in which the prize is won by (i) a random drawing of the name or

  • Carpet and upholstery cleaner means a cleaning product designed for the purpose of eliminating dirt and stains on rugs, carpeting, and the interior of motor vehicles and/or on household furniture or objects upholstered or covered with fabrics such as wool, cotton, nylon or other synthetic fabrics. “Carpet and Upholstery Cleaner” includes, but is not limited to, products that make fabric protectant claims. “Carpet and Upholstery Cleaner” does not include “General Purpose Cleaners”, “Spot Removers”, vinyl or leather cleaners, dry cleaning fluids, or products designed exclusively for use at industrial facilities engaged in furniture or carpet manufacturing.

  • MVAR means megavolt ampere of reactive power.

  • Dry cleaning fluid means any non-aqueous liquid product designed and labeled exclusively for use on: fabrics which are labeled "for dry clean only", such as clothing or drapery; or S-coded fabrics. Dry cleaning fluid includes, but is not limited to, those products used by commercial dry cleaners and commercial businesses that clean fabrics such as draperies at the customer's residence or work place. Dry cleaning fluid does not include spot remover or carpet and upholstery cleaner. For the purposes of this definition, S-coded fabric means an upholstery fabric designed to be cleaned only with water-free spot cleaning products as specified by the Joint Industry Fabric Standards Committee.

  • 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.

  • 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.

  • GAC10 means granular activated carbon filter beds with an empty-bed contact time of 10 minutes based on average daily flow and a carbon reactivation frequency of every 180 days, except that the reactivation frequency for GAC10 used as a best available technology for compliance with MCLs under subsection 9.2.1.2 shall be 120 days.

  • Plinth means the portion of a structure between the surface of the surrounding ground and surface of the floor immediately above the ground.

  • Greywater means all liquid wastes from showers, baths, sinks, kitchens and domestic washing facilities, but does not include toilet wastes;

  • Chimney means a construction by means of which a flue is formed for the purpose of carrying products of combustion to the open air and includes a chimney stack and the flue pipe.

  • CalRecycle means the Department of Resources Recycling and Recovery.

  • Ballast water means water with its suspended matter taken on board a ship to control trim, list, draught, stability or stresses of the ship.

  • Landfill cell means a discrete volume of a hazardous waste landfill which uses a liner to provide isolation of wastes from adjacent cells or wastes. Examples of landfill cells are trenches and pits.

  • Spring means a source of water where an aquifer comes in contact with the ground surface.

  • Falconry means the sport of taking quarry by means of a trained raptor.

  • Shrub means and refer to a woody plant, smaller than a tree, consisting of several small stems from the ground or small branches near the ground.

  • Flowgate means a representative modeling of facilities or groups of facilities that may act as potential constraint points.

  • Gasohol means a blended fuel composed of gasoline and fuel grade ethanol.

  • Mistletoe Thinning means the removal of designated conifer trees bearing visible mistletoe plants on branches as well as visible plants or infections on the stem.