Webinar: COVID-19 Updates for NSF International’s Water Certification Programs
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Water Treatment
Water treatment is an important step in achieving a cleaner, healthier and safer water supply.
Methods of water treatment also come in many forms, including filtration media, equipment and chemicals. NSF International offers testing and certification services for products within each of these categories. These services allow manufacturers around the world to provide proof to their customers that their products perform as claimed.
Our Services
Filtration Equipment
NSF International test and certifies drinking water filtration equipment and components used in point-of-use (POU) and point-of-entry (POE) applications.
Filtration Media
NSF International tests and certifies water filtration media products with different end uses and applications.
News and Events
Plumbing Standard Revisions Tighten Lead Leaching Criteria in Drinking Water
September 22, 2020
Joint committee governing NSF/ANSI/CAN 61 lowers maximum allowable limits of leached lead from plumbing endpoint devices
Drinking Water Treatment Units Must Now Meet Stricter Requirements for Lead Reduction Certification
February 6, 2020
Joint committee governing NSF/ANSI 53 and NSF/ANSI 58 lowers the maximum allowable lead in filtered water from 10 ppb to 5 ppb
Major Revision to Drinking Water Treatment Standard Allows UV-LED Technology to Treat Microorganisms
November 14, 2019
NSF International publishes new criteria for UV technology and test methods as part of NSF/ANSI 55: the American National Standard for ultraviolet microbiological water treatment systems
Concerned About Lead in Your Drinking Water? Choose a Filter Certified to Reduce Lead
November 7, 2019
NSF International urges the use of drinking water treatment and filtration devices that are independently tested and certified to reduce lead