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Proposed Non-Mainlines

Published by City of Seattle ArcGIS Online | City of Seattle | Catalog Last Checked: August 26, 2026 at 06:52 PM | Dataset Last Updated: August 25, 2026
Active, proposed, abandoned and removed secondary sewer and storm pipes that are not part of the mainline system (i.e. side sewers, service drains, etc.). Side Sewers are wastewater pipes from buildings and establishments that connect to mainline pipes. Service drains are stormwater pipes from buildings that connect to mainline pipes. Probable flow is the derived use classification based on what is the best estimation of usage broken out by drainage and sanitary.Refreshed weekly.

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Complete Metadata
@type dcat:Dataset
accessLevel public
contactPoint 
{
  "fn": "PublicUtilities_SeattleCityGIS",
  "@type": "vcard:Contact",
  "hasEmail": "mailto:mapgis.mapgis@seattle.gov"
}
description <span style='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;'>Active, proposed, abandoned and removed secondary sewer and storm pipes that are not part of the mainline system (i.e. side sewers, service drains, etc.). Side Sewers are wastewater pipes from buildings and establishments that connect to mainline pipes. Service drains are stormwater pipes from buildings that connect to mainline pipes. Probable flow is the derived use classification based on what is the best estimation of usage broken out by drainage and sanitary.</span><div style='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;'><br /><div style='font-family:inherit;'>Refreshed weekly.</div></div>
distribution 
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  },
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    "downloadURL": "https://services.arcgis.com/ZOyb2t4B0UYuYNYH/arcgis/rest/services/SPU_DWW_Non-Mainlines_Internal_view/FeatureServer/5"
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identifier https://www.arcgis.com/home/item.html?id=7542b9f543574bc8873789d8234523eb&sublayer=5
issued 2024-06-17
keyword 
[
  "aba rem non-mainlines",
  "detention lines",
  "detention polygons",
  "non-mainlines",
  "proposed non-mainlines",
  "seattle gis open data",
  "spu non-mainlines"
]
landingPage https://data-seattlecitygis.opendata.arcgis.com/datasets/SeattleCityGIS::proposed-non-mainlines
modified 2026-08-25
publisher 
{
  "name": "City of Seattle ArcGIS Online",
  "@type": "org:Organization"
}
spatial -122.4251,47.3692,-121.6930,47.8607
theme 
[
  "geospatial"
]
title Proposed Non-Mainlines

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