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Citywide GSI BMP

Published by City of Seattle ArcGIS Online | City of Seattle | Metadata Last Checked: February 21, 2026 | Last Modified: 2026-02-16
This layer displays Citywide Green Stormwater Infrastructure Best Management Practices (City-wide GSI BMP) and Citywide Green Stormwater Infrastructure projects (City-wide GSI Project). Citywide GSI BMP is sourced from CARTO.GSI_BMP_PT_PV.  Labels are based on the attribute BMP.  BMP codes listed in the BEST MANAGED PRACTICE (GB_BMP_TEXT) field are defined as follows: Code Value Text Value BIO Bioretention, infiltrating, installed by others BIN Bioretention, infiltrating, installed by SPU BND Bioretention, non-infiltrating, with detention BSU Biofiltration swale with underdrain BSW Biofiltration swale without underdrain BUC Bioretention swale, non-infiltrating, with underdrain in CSO basin BUN Bioretention Swale, non-infiltrating, with underdrain in non-CSO basin CRG Cistern to rain garden

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Complete Metadata
@type dcat:Dataset
accessLevel public
contactPoint 
                                            {
  "fn": "SeattleData",
  "@type": "vcard:Contact",
  "hasEmail": "mailto:mapgis.mapgis@seattle.gov"
}
description <div>This layer displays Citywide Green Stormwater Infrastructure Best Management Practices (City-wide GSI BMP) and Citywide Green Stormwater Infrastructure projects (City-wide GSI Project). <br /></div><div><br /></div><div>Citywide GSI BMP is sourced from CARTO.GSI_BMP_PT_PV.  Labels are based on the attribute BMP.  BMP codes listed in the BEST MANAGED PRACTICE (GB_BMP_TEXT) field are defined as follows: </div><table border='1' cellpadding='0' cellspacing='0' style='border-collapse:collapse; border:none;'> <tbody><tr> <td style='width:1.0in; border:solid black 1.0pt; border-bottom:none; background:black; padding:0in 5.4pt 0in 5.4pt;' valign='top' width='96'> <p><span style='color:white;'>Code Value</span></p> </td> <td style='width:341.0pt; border-top:solid black 1.0pt; border-left:none; border-bottom:none; border-right:solid black 1.0pt; background:black; padding:0in 5.4pt 0in 5.4pt;' valign='top' width='455'> <p><span style='color:white;'>Text Value</span></p> </td> </tr> <tr> <td style='width:1.0in; border:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt;' valign='top' width='96'> <p>BIO</p> </td> <td style='width:341.0pt; border:solid black 1.0pt; border-left:none; padding:0in 5.4pt 0in 5.4pt;' valign='top' width='455'> <p>Bioretention, infiltrating, installed by others</p> </td> </tr> <tr> <td style='width:1.0in; border-top:none; border-left:solid black 1.0pt; border-bottom:none; border-right:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt;' valign='top' width='96'> <p>BIN</p> </td> <td style='width:341.0pt; border:none; border-right:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt;' valign='top' width='455'> <p>Bioretention, infiltrating, installed by SPU</p> </td> </tr> <tr> <td style='width:1.0in; border:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt;' valign='top' width='96'> <p>BND</p> </td> <td style='width:341.0pt; border:solid black 1.0pt; border-left:none; padding:0in 5.4pt 0in 5.4pt;' valign='top' width='455'> <p>Bioretention, non-infiltrating, with detention</p> </td> </tr> <tr> <td style='width:1.0in; border-top:none; border-left:solid black 1.0pt; border-bottom:none; border-right:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt;' valign='top' width='96'> <p>BSU</p> </td> <td style='width:341.0pt; border:none; border-right:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt;' valign='top' width='455'> <p>Biofiltration swale with underdrain</p> </td> </tr> <tr> <td style='width:1.0in; border:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt;' valign='top' width='96'> <p>BSW</p> </td> <td style='width:341.0pt; border:solid black 1.0pt; border-left:none; padding:0in 5.4pt 0in 5.4pt;' valign='top' width='455'> <p>Biofiltration swale without underdrain</p> </td> </tr> <tr> <td style='width:1.0in; border-top:none; border-left:solid black 1.0pt; border-bottom:none; border-right:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt;' valign='top' width='96'> <p>BUC</p> </td> <td style='width:341.0pt; border:none; border-right:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt;' valign='top' width='455'> <p>Bioretention swale, non-infiltrating, with underdrain in CSO basin</p> </td> </tr> <tr> <td style='width:1.0in; border:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt;' valign='top' width='96'> <p>BUN</p> </td> <td style='width:341.0pt; border:solid black 1.0pt; border-left:none; padding:0in 5.4pt 0in 5.4pt;' valign='top' width='455'> <p>Bioretention Swale, non-infiltrating, with underdrain in non-CSO basin</p> </td> </tr> <tr> <td style='width:1.0in; border-top:none; border-left:solid black 1.0pt; border-bottom:none; border-right:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt;' valign='top' width='96'> <p>CRG</p> </td> <td style='width:341.0pt; border:none; border-right:solid black 1.0pt; padding:0in 5.4pt 0in 5.4pt;' valign='top' width='455'> <p>Cistern to rain garden</p> </td> </tr> <tr> <td style=
distribution 
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identifier https://www.arcgis.com/home/item.html?id=7244fc60a5f8446e81b6577d60a67455&sublayer=1
issued 2022-09-29
keyword 
                                            [
  "best management practice",
  "biofiltration",
  "bioretention",
  "bmp",
  "cistern",
  "citywide",
  "conveyance",
  "deciduous",
  "evergreen",
  "gallons managed",
  "green roof",
  "green stormwater infrastructure",
  "gsi",
  "king county",
  "modular soil cell",
  "rain garden",
  "rainwise",
  "sdci",
  "sdot",
  "seattle gis open data",
  "spr",
  "spu",
  "swale",
  "tree",
  "underdrain"
]
landingPage https://data-seattlecitygis.opendata.arcgis.com/datasets/SeattleCityGIS::citywide-gsi-bmp
modified 2026-02-16
publisher 
                                            {
  "name": "City of Seattle ArcGIS Online",
  "@type": "org:Organization"
}
spatial -122.4250,47.4858,-122.2447,47.7355
theme 
                                            [
  "geospatial"
]
title Citywide GSI BMP

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