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

    Adding Chemicals to Water Supply Permits

    Metadata Updated: August 23, 2025

    The Adding Chemicals to Water Supply permit is required for persons who engage in the business of chemically treating the drinking water supply within a building. This permit allows chemicals to be added only for anti-corrosion, anti-scaling or disinfection purposes. This dataset contains a list of current permittees who may add chemical treatment to a building's drinking water in New York City. To learn more about this permit program and related health code, please visit https://www.nyc.gov/nycbusiness/description/adding-chemicals-to-water-supply-permit

    Data is collected to track the adding chemicals to water supply permits issued by DOHMH and is managed by the Office of Public Health Engineering.

    This data can be used to find a company or individual that has a current adding chemicals to water supply permit in New York City. It can also be used to verify the permit for a business or persons that engages in the business of chemically treating the drinking water supply in a building.

    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. See Terms License: No license information was provided.

    Downloads & Resources

    Dates

    Metadata Created Date October 13, 2023
    Metadata Updated Date August 23, 2025

    Metadata Source

    Harvested from NYC JSON

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date October 13, 2023
    Metadata Updated Date August 23, 2025
    Publisher data.cityofnewyork.us
    Maintainer
    Identifier https://data.cityofnewyork.us/api/views/v8i9-yfpr
    Data First Published 2023-12-11
    Data Last Modified 2025-08-18
    Category Health
    Public Access Level public
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://data.cityofnewyork.us/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 d7f941e2-7da2-4e7b-a10e-20a32833dd69
    Harvest Source Id 1696593e-c691-4f61-a696-5dcb9e4c9b4c
    Harvest Source Title NYC JSON
    Homepage URL https://data.cityofnewyork.us/d/v8i9-yfpr
    Source Datajson Identifier True
    Source Hash 99a328bac140481ef3948b5ef20e2f0977badcb75cb21f01e8627d9a10a4c6be
    Source Schema Version 1.1

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