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

    HydroPoly

    Metadata Updated: February 1, 2026

    The Lakes and Rivers hydrographic polygon data layer was created to accurately depict the location and shape of flowing water features greater than five feet in width and major standing water bodies in Cook County.

    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 April 12, 2024
    Metadata Updated Date February 1, 2026

    Metadata Source

    Harvested from cookcountyil json

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date April 12, 2024
    Metadata Updated Date February 1, 2026
    Publisher datacatalog.cookcountyil.gov
    Maintainer
    Identifier https://datacatalog.cookcountyil.gov/api/views/4cag-jcaf
    Data First Published 2015-07-09
    Data Last Modified 2026-01-27
    Category Boundaries & Districts
    Public Access Level public
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://datacatalog.cookcountyil.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 de6260d4-4d18-46b3-9d0f-f8582061ac63
    Harvest Source Id d52781fd-51ef-4061-9cd2-535a0afb663b
    Harvest Source Title cookcountyil json
    Homepage URL https://datacatalog.cookcountyil.gov/d/4cag-jcaf
    Source Datajson Identifier True
    Source Hash e323ff6af1eee1b1a9f9fb749b438bf652464e94b64454c7356a00afaf444975
    Source Schema Version 1.1

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