Grassed swale definition

Grassed swale means an earthen conveyance system which is broad and shallow with erosion resistant grasses and check dams, engineered to remove pollutants from stormwater runoff by filtration through grass and infiltration into the soil.
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Grassed swale means an earthen conveyance system which is broad and shallow with
Sample 1Sample 2Sample 3
Grassed swale means an earthen conveyance system, which is broad and shallow with erosion resistant grasses and check dams, engineered to remove pollutants from stormwater runoff by filtration through grass and infiltration into the soil. “Hotspot” means an area where land use or activities generate highly contaminated runoff with concentrations of pollutants in excess of those typically found in stormwater.
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Examples of Grassed swale in a sentence

  • Table 1 Grassed swale pollutant removal efficiency data While it is difficult to distinguish between different designs based on the small amount of available data, grassed channels generally have poorer removal rates than wet and dry swales, although some swales appear to export soluble phosphorus (Harper, 1988; Koon, 1995).

  • Grassed swale drains or temporary piped drainage must be installed to intercept, control and redirect surface stormwater runoff from upstream undeveloped properties.

  • Photo*: Grassed swale with adjacent driveways, Cairnlea, Brisbane Queensland.

  • Photo*: Vegetated swale, Fairfield New South WalesPhoto*: Grassed swale with adjacent driveways, Cairnlea, Brisbane Queensland.

  • Grassed swale systems and basins are to be designed to provide primary treatment of stormwater runoff by filtering and removal of silt, sediments, oil and grease before discharge to downstream drainage systems and may also incorporate bio-retention treatment systems.

  • Grassed swale drains or temporary piped drainage must be installed to intercept, control and redirect surface stormwater runoff from upstream catchment.

  • Grassed swale means an earthen conveyance system which is broad and shallow with erosion resistant grasses and check dams, engineered to remove pollutants from stormwater runoff by filtration through grass and infiltration into the soil.

  • Grassed swale drains or temporary piped drainage must be installed to intercept, control and redirect surface stormwater runoff from upstream properties.

  • Permanent Storm Water Management - List of devices to be utilized for storm water infiltration and management: Channel linings Concrete ditch paving Culverts Curb and gutter Detention basins Drop inlets Dumped riprap Floodgates Gabions Grassed swale Inlet & outlet protection X Permanent seeding ARKANSAS DEPARTMENT OF TRANSPORTATION JOB NO.

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