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Citywide GSI Project

Published by City of Seattle ArcGIS Online | City of Seattle | Metadata Last Checked: November 03, 2025 | Last Modified: 2025-11-03
<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=

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