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.