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ECA - Wetland

Published by City of Seattle ArcGIS Online | City of Seattle | Catalog Last Checked: April 20, 2026 at 03:01 PM | Dataset Last Updated: February 17, 2026
Displays areas with wetlands in the City of Seattle.A polygon feature class showing wetlands, which are those areas that are inundated or saturated by surface water or ground water at a frequency and duration sufficient to support, and that under normal circumstances do support, a prevalence of vegetation typically adapted for life in saturated soil conditions. Wetlands generally include swamps, marshes, bogs, and similar areas. For more information about the definition of wetlands, see Seattle Municipal Code section 25.09.012, Environmentally Critical Areas (ECA) definitions.  Updates as needed.

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Complete Metadata
@type dcat:Dataset
accessLevel public
contactPoint 
{
  "fn": "SDCI_SeattleCityGIS",
  "@type": "vcard:Contact",
  "hasEmail": "mailto:mapgis.mapgis@seattle.gov"
}
description <p>Displays areas with wetlands in the City of Seattle.</p><p>A polygon feature class showing wetlands, which are those areas that are inundated or saturated by surface water or ground water at a frequency and duration sufficient to support, and that under normal circumstances do support, a prevalence of vegetation typically adapted for life in saturated soil conditions. Wetlands generally include swamps, marshes, bogs, and similar areas.</p><div style='background-color:rgb(255, 255, 255); border:0px solid currentcolor; box-sizing:border-box; color:rgb(74, 74, 74); font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; line-height:1.5; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;'>&nbsp;</div><div style='background-color:rgb(255, 255, 255); border:0px solid currentcolor; box-sizing:border-box; color:rgb(74, 74, 74); font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; line-height:1.5; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;'><span style='font-family:Avenir Next W01, Avenir Next W00, Avenir Next, Avenir, Helvetica Neue, sans-serif;'><font style='border:0px solid currentcolor; box-sizing:border-box; font-family:inherit; line-height:1.5;'>For more information about the definition of wetlands, see&nbsp;</font></span><a style='border:0px solid currentcolor; box-sizing:border-box; color:rgb(0, 121, 193); font-family:inherit; line-height:1.5; text-decoration:none;' target='_blank' href='https://library.municode.com/wa/seattle/codes/municipal_code?nodeId=TIT25ENPRHIPR_CH25.09REENCRAR' rel='nofollow ugc noopener noreferrer'>Seattle Municipal Code section 25.09.012</a>, Environmentally Critical Areas (ECA) definitions.&nbsp;<br />&nbsp;</div><div style='background-color:rgb(255, 255, 255); border:0px solid currentcolor; box-sizing:border-box; color:rgb(74, 74, 74); font-family:&quot;Avenir Next W01&quot;, &quot;Avenir Next W00&quot;, &quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:16px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; line-height:1.5; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;'>Updates as needed.</div>
distribution 
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identifier https://www.arcgis.com/home/item.html?id=a967f6b51cad49d0a2e087fb91a33033&sublayer=10
issued 2025-12-26
keyword 
[
  "eca",
  "environmental",
  "landuse",
  "planning",
  "sdci",
  "seattle gis open data"
]
landingPage https://data-seattlecitygis.opendata.arcgis.com/datasets/SeattleCityGIS::eca-wetland
modified 2026-02-17
publisher 
{
  "name": "City of Seattle ArcGIS Online",
  "@type": "org:Organization"
}
spatial -122.4259,47.4944,-122.2471,47.7358
theme 
[
  "geospatial"
]
title ECA - Wetland

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