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    • This is a Non-Federal dataset covered by different Terms of Use than Data.gov.

    Non-Mainline Detention Lines

    Metadata Updated: January 18, 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.

    Access & Use Information

    Public: This dataset is intended for public access and use. Non-Federal: This dataset is covered by different Terms of Use than Data.gov. License: No license information was provided.

    Downloads & Resources

    Dates

    Metadata Created Date February 28, 2025
    Metadata Updated Date January 18, 2026

    Metadata Source

    Harvested from Seattle JSON

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date February 28, 2025
    Metadata Updated Date January 18, 2026
    Publisher City of Seattle ArcGIS Online
    Maintainer
    Identifier https://www.arcgis.com/home/item.html?id=7542b9f543574bc8873789d8234523eb&sublayer=3
    Data First Published 2024-06-17
    Data Last Modified 2026-01-13
    Category geospatial
    Public Access Level public
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://cos-data.seattle.gov/data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Harvest Object Id 87ea6003-f5e3-409c-a2fa-113c5430ed28
    Harvest Source Id f61de7a2-69cf-40a9-a1bc-dd9edb8f3fe5
    Harvest Source Title Seattle JSON
    Homepage URL https://data-seattlecitygis.opendata.arcgis.com/datasets/SeattleCityGIS::non-mainline-detention-lines
    Metadata Type geospatial
    Old Spatial -122.4199,47.3693,-121.6930,47.8607
    Source Datajson Identifier True
    Source Hash 0b048e944fe12177f1772e167de9adf92ecf474ed100b2715412fb3cdffff757
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -122.4199, 47.3693, -122.4199, 47.8607, -121.6930, 47.8607, -121.6930, 47.3693, -122.4199, 47.3693}

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