NSF International provides an extensive range of services for the water industry to help ensure the quality and safety of products in the marketplace.
Separate from helping to facilitate consensus-based standards, NSF’s water programs test and certify products for drinking water, pools/spas, plumbing, plastics and wastewater. Our global offices provide comprehensive services, quality support and superior knowledge to help you grow your business while saving time and money. Choose NSF to certify your product.
Explore Solution Areas
Webinar: COVID-19 Updates for NSF International’s Water Certification Programs
April 22, 2020
In this webinar, NSF leaders provided an update about COVID-19 and its specific impacts on our water certification programs.
FAQ on Desk Audits for NSF International’s Water Certification Programs
April 16, 2020
This document provides answers to frequently asked questions related to desk audits, which are being performed for most NSF International water certification programs during the COVID-19 pandemic. For additional questions on this content, contact your NSF account manager.
Quick Tips for Wastewater Regulators When Verifying NSF Certification
January 20, 2020
This guidance document gives an in-depth explanation of how regulators and code officials can identify on-site wastewater treatment units that are truly NSF certified.
News and Events
Educational Posters Available to Help Prevent the Spread of COVID-19
July 16, 2020
Drinking Water Treatment Units Must Now Meet Stricter Requirements for Lead Reduction Certification
February 6, 2020
NSF REG4 Certification Offers Manufacturers a New Pathway to UK Water Regulations Compliance
January 21, 2020
Major Revision to Drinking Water Treatment Standard Allows UV-LED Technology to Treat Microorganisms
November 14, 2019