Drinking Water Supply & Quality Report

New York City continues to enjoy some of the best tap water in the world.

Our annual New York City Drinking Water Supply and Quality Report describes the sources and quality of our water supply. It is prepared in accordance with the New York State Sanitary Code and the National Primary Drinking Water Regulations. If you have questions about any of the information contained in the report or would like to request a printed copy, please call 311. Assistance can be provided in multiple languages.

Download the 2023 Drinking Water Supply & Quality Report

Links referenced in the Drinking Water Supply and Quality Report

Programs for Communities & Businesses

Monitoring for Pathogens

Groundwater Supply System

Lead in Drinking Water

Watershed Water Quality Annual Report