SPU DWW Aba Rem Underdrains & Rain Gardens
The DWW (Drainage and Waste Water) GSI (Green Stormwater Infrastructure) layer consists of line and polygon representations of the following features: Swales (biofiltration, bioretention, biofiltration/bioretention, and conveyance) are generally shallow depressions with a designed mix of soil and plants which break down pollutants through natural processes while reducing runoff. Permeable pavement is a paving system which allows rainfall to percolate into an underlying soil or aggregate storage reservoir. Underdrain piping systems are provided to prevent prolonged ponding of stormwater or to collect and convey water to another facility. Rain gardens are less engineered systems that are designed to mitigate water from the sidewalk only and have two inches or less of ponded depth. The drainage structures represented in the GSI points are not all unique to GSI, however, they are specifically part of SPU GSI projects.The data is being refreshed weekly.
Complete Metadata
| @type | dcat:Dataset |
|---|---|
| accessLevel | public |
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|
| description | <span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'>The DWW (</span><i>Drainage and Waste Water</i><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'>) GSI (</span><i>Green Stormwater Infrastructure</i><span style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'>) layer consists of line and polygon representations of the following features: Swales (biofiltration, bioretention, biofiltration/bioretention, and conveyance) are generally shallow depressions with a designed mix of soil and plants which break down pollutants through natural processes while reducing runoff. Permeable pavement is a paving system which allows rainfall to percolate into an underlying soil or aggregate storage reservoir. Underdrain piping systems are provided to prevent prolonged ponding of stormwater or to collect and convey water to another facility. Rain gardens are less engineered systems that are designed to mitigate water from the sidewalk only and have two inches or less of ponded depth. The drainage structures represented in the GSI points are not all unique to GSI, however, they are specifically part of SPU GSI projects.</span><div style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><br /></div><div style='font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'>The data is being refreshed weekly.</div> |
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|
| identifier | https://www.arcgis.com/home/item.html?id=5e36e5442b184e81b975a34d9fde4b82&sublayer=19 |
| issued | 2024-06-25 |
| keyword |
[
"biofiltration",
"bioretention",
"conveyance",
"dww",
"gis",
"green roof",
"green storm infrastructure",
"gsi",
"modular soil cell",
"permeable pavement",
"polygon",
"rain garden",
"seattle gis open data",
"silva cell",
"spu",
"surface drainage",
"surface drainline",
"swale"
]
|
| landingPage | https://data-seattlecitygis.opendata.arcgis.com/datasets/SeattleCityGIS::spu-dww-aba-rem-underdrains-rain-gardens-1 |
| modified | 2026-01-21 |
| publisher |
{
"name": "City of Seattle ArcGIS Online",
"@type": "org:Organization"
}
|
| spatial | -122.4197,47.3694,-121.6971,47.8609 |
| theme |
[
"geospatial"
]
|
| title | SPU DWW Aba Rem Underdrains & Rain Gardens |
