Ozone and UV Systems
Testing and certification for UV and ozone water treatment systems.
Do you need testing or certification for your UV or ozone system? NSF provides both services for drinking water, municipal water, recreational water, and wastewater applications.
Why choose NSF?
NSF works with public health officials, manufacturers and facility operators to evaluate products and protect human health. We develop and apply rigorous standards for ozone and ultraviolet (UV) systems across a wide range of water treatment applications.
Standards we certify to
Drinking Water:
- NSF/ANSI/CAN 60 – Drinking Water Treatment Chemicals: Health Effects.
- NSF/ANSI/CAN 61 – Drinking Water System Components: Health Effects.
- NSF/ANSI 55 – Ultraviolet Microbiological Water Treatment Systems.
Municipal Water Treatment Performance:
Public Drinking Water Equipment Performance Certification Program (PDWEP).
Recreational Water:
NSF/ANSI 50 – Equipment for Swimming Pools, Spas, Hot Tubs, and Other Recreational Water Facilities.
Wastewater:
NSF/ANSI 46 and NSF/ANSI 385 – Evaluation of Components and Devices Used in Wastewater Treatment Systems.
Partner with NSF for trusted testing and certification that ensures your UV and ozone systems meet the highest standards for safety and performance.
Ready to Get Certified by NSF?
Start your certification journey today.
What’s New with NSF
NSF Launches Protocol 549 for Glyphosate Reduction Claims
October 14, 2026P549 is the first standard globally that validates glyphosate reduction performance of water filtration systems and products.
Cambium Analytica, an NSF Company, Opens New Lab in Traverse City, Mich
October 6, 2026Ribbon cutting debuts innovative 15,000-square-foot testing facility to support evolving needs of the food & supplement industries.
NSF Drives Industry Conversations at SupplySide Global 2026 - Las Vegas, Oct. 26–30
September 17, 2026NSF returns to SupplySide Global with expert-led training and trusted certification solutions. Visit Booth 4741 to discover how NSF and Cambium Analytica help brands build trust, increase consumer confidence and stand out in a competitive marketplace.
NSF Welcomes Hanjun Kwon, Managing Director, APAC
September 14, 2026Experienced business leader to drive sustainable growth, organizational development and operational excellence across the Asia-Pacific region.