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

    ECA - Riparian Corridor

    Metadata Updated: March 1, 2026

    Displays areas with Riparian Corridors in the City of Seattle. See Ordinance Number: 122738.   A polygon feature class showing Riparian Corridors in Seattle. Used to implement and regulate the City of Seattle's Environmentally Critical Areas (ECA) policies.     The riparian corridor includes the riparian watercourse and the riparian management area. The riparian watercourse is the watercourse of Type F, Np, and Ns waters defined in WAC 222-16-030 and 222-16-031 that have fish or wildlife habitat. The riparian management area is the area within 100 feet of the riparian watercourse measured horizontally landward from the ordinary high water mark of the watercourse as surveyed in the field, or from the top of the bank if the ordinary high water mark cannot be determined. 

    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 March 1, 2026
    Metadata Updated Date March 1, 2026

    Metadata Source

    Harvested from Seattle JSON

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date March 1, 2026
    Metadata Updated Date March 1, 2026
    Publisher City of Seattle ArcGIS Online
    Maintainer
    Identifier https://www.arcgis.com/home/item.html?id=8219694473704b76bcb01308bfd9de36&sublayer=8
    Data First Published 2025-12-27
    Data Last Modified 2026-02-17
    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 53a7023f-c5a6-4b2e-9384-9f49f555b3c2
    Harvest Source Id f61de7a2-69cf-40a9-a1bc-dd9edb8f3fe5
    Harvest Source Title Seattle JSON
    Homepage URL https://data-seattlecitygis.opendata.arcgis.com/datasets/SeattleCityGIS::eca-riparian-corridor
    Metadata Type geospatial
    Old Spatial -122.4213,47.4900,-122.2496,47.7556
    Source Datajson Identifier True
    Source Hash bbaa3a09e5404a80856562f608ce8982a1dc0e826505468ee557e22f565107d0
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -122.4213, 47.4900, -122.4213, 47.7556, -122.2496, 47.7556, -122.2496, 47.4900, -122.4213, 47.4900}

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