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    • U.S. Geological Survey National Real-Time Water Quality Data for the Nation Data Service

    Metadata Updated: November 12, 2025

    The U.S. Geological Survey National Real-Time Water Quality (NRTWQ) Data Service (https://nrtwq.usgs.gov) provides computed concentrations and loads for sediment, nutrients, bacteria, and many additional constituents; uncertainty values and probabilities for exceeding drinking water or recreational criteria; frequency distribution curves; and all historical in-stream sensor measurements.

    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 12, 2025
    Metadata Updated Date November 12, 2025

    Metadata Source

    Harvested from DOI USGS DCAT-US

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date September 12, 2025
    Metadata Updated Date November 12, 2025
    Publisher U.S. Geological Survey
    Maintainer
    Identifier http://datainventory.doi.gov/id/dataset/usgs-fcaef9bb-7863-47a0-a057-4f4b66e06187
    Data Last Modified 2024-06-27T00:00:00Z
    Category geospatial
    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 f4f7affc-5af6-4204-9313-006c264d5805
    Harvest Source Id 2b80d118-ab3a-48ba-bd93-996bbacefac2
    Harvest Source Title DOI USGS DCAT-US
    Metadata Type geospatial
    Old Spatial -125.8594, 25.9580, -74.1797, 49.3824
    Source Datajson Identifier True
    Source Hash bc6ce8fdcd7dc97955b98c715cd13a2e2f3c8edaeb3bd9fcf5f6d4079b6e1caa
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -125.8594, 25.9580, -125.8594, 49.3824, -74.1797, 49.3824, -74.1797, 25.9580, -125.8594, 25.9580}

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