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    • Drinking Water Maximum Contaminant Levels (MCLs)

    Metadata Updated: March 16, 2024

    National Primary Drinking Water Regulations (NPDWRs or primary standards) are legally enforceable standards that apply to public water systems. Primary standards protect public health by limiting the levels of contaminants in drinking water.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: See this page for license information.

    Downloads & Resources

    No file downloads have been provided. The publisher may provide downloads in the future or they may be available from their other links.

    References

    https://edg.epa.gov/metadata/catalog/search/resource/details.page?uuid=%7B801C993D-B195-4B7A-97B6-17B299ED1E95%7D
    https://edg.epa.gov/metadata/rest/document?id=%7B801C993D-B195-4B7A-97B6-17B299ED1E95%7D

    Dates

    Metadata Created Date November 29, 2020
    Metadata Updated Date March 16, 2024
    Data Update Frequency irregular

    Metadata Source

    Harvested from OW Non-Geo Records

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date November 29, 2020
    Metadata Updated Date March 16, 2024
    Publisher U.S. EPA Office of Water (OW) - Office of Ground Water and Drinking Water (OGWDW)
    Maintainer
    Identifier {801C993D-B195-4B7A-97B6-17B299ED1E95}
    Data First Published 2014-01-01
    Data Last Modified 2009-05-01
    Category Tag 16E15F51 D96E 4051 9124 75665Abdc6Ff "Human Health"
    Public Access Level public
    Data Update Frequency irregular
    Bureau Code 020:00
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://edg.epa.gov/data/public/OW/metadata/OW.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 e248afc5-376e-4be3-88ab-fb22773fb5fe
    Harvest Source Id 8ed177f0-2564-4659-9197-8b64a5f0db3d
    Harvest Source Title OW Non-Geo Records
    License https://edg.epa.gov/EPA_Data_License.html
    Old Spatial -180.0,18.0,-66.0,72.0
    Program Code 020:072
    Related Documents https://edg.epa.gov/metadata/catalog/search/resource/details.page?uuid=%7B801C993D-B195-4B7A-97B6-17B299ED1E95%7D, https://edg.epa.gov/metadata/rest/document?id=%7B801C993D-B195-4B7A-97B6-17B299ED1E95%7D
    Source Datajson Identifier True
    Source Hash 4e71876fd698e14b8c97f6451389613cc5d8d5bfb9472819e46587fee2bb09e8
    Source Schema Version 1.1
    Spatial {"type": "Polygon", "coordinates": -180.0, 18.0, -180.0, 72.0, -66.0, 72.0, -66.0, 18.0, -180.0, 18.0}

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