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

    SPU DWW Drainage Basins

    Metadata Updated: February 1, 2026

    The polygons are intended for use by the City of Seattle as planning-level tool for a preliminary understanding of the drainage patterns in particular areas of the City. The layer is not complete and does not reflect any City determination about how specific locations should be characterized. Drainage Basins areas were delineated using topography, roads and utility infrastructure based on current GIS data, 200-foot scale maps, side sewer cards and engineering design documents. Data source is DWW.drainage_basin_plgn_pv. Labels are based on the attribute NAME. 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 February 1, 2026

    Metadata Source

    Harvested from Seattle JSON

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date February 28, 2025
    Metadata Updated Date February 1, 2026
    Publisher City of Seattle ArcGIS Online
    Maintainer
    Identifier https://www.arcgis.com/home/item.html?id=0ef353616724475a94604c1f0f9d55f0&sublayer=0
    Data First Published 2024-04-09
    Data Last Modified 2026-01-27
    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 01564435-9c78-4c23-a7d2-05e9fea7c4e4
    Harvest Source Id f61de7a2-69cf-40a9-a1bc-dd9edb8f3fe5
    Harvest Source Title Seattle JSON
    Homepage URL https://data-seattlecitygis.opendata.arcgis.com/datasets/SeattleCityGIS::spu-dww-drainage-basins
    Metadata Type geospatial
    Old Spatial -122.4166,47.4894,-122.2544,47.7355
    Source Datajson Identifier True
    Source Hash affc6279eb814dc6fd5030c1987425bb5caf260e3b42b189e04a69a38d741d83
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -122.4166, 47.4894, -122.4166, 47.7355, -122.2544, 47.7355, -122.2544, 47.4894, -122.4166, 47.4894}

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