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    • USGS Groundwater Data for the Nation - National Water Information System (NWIS)

    Metadata Updated: October 8, 2025

    The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the Virgin Islands, Guam, American Samoa and the Commonwealth of the Northern Mariana Islands.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

    Downloads & Resources

    Dates

    Metadata Created Date September 13, 2025
    Metadata Updated Date October 8, 2025

    Metadata Source

    Harvested from DOI USGS DCAT-US

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date September 13, 2025
    Metadata Updated Date October 8, 2025
    Publisher U.S. Geological Survey
    Maintainer
    Identifier http://datainventory.doi.gov/id/dataset/usgs-18c21be2-02db-4198-8951-17c580a19f16
    Data Last Modified 2020-11-17T00:00:00Z
    Category geospatial
    Category Tag 16E15F51 D96E 4051 9124 75665Abdc6Ff "Arctic","Permafrost and Arctic Landscapes","Ecosystem Vulnerability","Atmospheric, Earth and Ocean Sciences","Water"
    Public Access Level public
    Bureau Code 010:12
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://ddi.doi.gov/usgs-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 74d71bd5-4f12-47ce-84af-b8fab1b59c44
    Harvest Source Id 2b80d118-ab3a-48ba-bd93-996bbacefac2
    Harvest Source Title DOI USGS DCAT-US
    Metadata Type geospatial
    Old Spatial -164.168, 17.731, -64.780, 70.281
    Source Datajson Identifier True
    Source Hash 93eb2760abacbdf10c90bcda0585c380875715751ca512d4e05316d1ab2a2df9
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -164.168, 17.731, -164.168, 70.281, -64.780, 70.281, -64.780, 17.731, -164.168, 17.731}

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