Recreational Water Product Testing and Certification Program
September 13, 2025
NSF/ANSI/CAN 50: Ensuring safety and performance for pools, spas, and water facilities.

What does NSF/ANSI/CAN 50 cover?
This standard applies to chemicals, materials, products and systems used in recreational water facilities, including:
- Swimming pools and spas
- Hot tubs
- Water parks and spray pads
- Floatation centers.
Comprehensive product testing
Our testing process evaluates:
- Material safety and durability
- Life-cycle performance and output
- Design and construction requirements
- Marking, installation and use instructions.
Beyond NSF/ANSI/CAN 50
NSF can also test and certify to other recognized industry standards, including:
- APSP
- ASME
- ASTM
- IAPMO
- UL standards.
Partner with NSF for trusted certification that ensures compliance, builds customer confidence and opens doors to new markets.
Pool and Spa Products
Test and certify your pool and spa equipment and water treatment chemicals to guarantee their adherence to national health, building, and construction codes.
Ready to Get Certified by NSF?
Start your certification journey today.
What’s New with NSF

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August 20, 2026CELSIUS® has earned NSF Certified for Sport® certification for select products, including the CELSIUS VIBES line, reinforcing the brand’s commitment to quality, transparency and consumer trust.
Thomas Vyles Honored With 2026 Walter F. Snyder Environmental Health Award
August 19, 2026The award honors Walter F. Snyder, co-founder and first executive director of NSF, and pioneers whose work advances environmental and public health.
NSF Hosts First External Review Panel for ‘NSF/KWTC 555’ with Key Asian Water Authorities
August 3, 2026Joint standard development gains momentum to enhance confidence in Asia’s water industry and advance drinking water safety.
NSF Achieves European Accreditation for Drinking Water Product Certification Ahead of 2027 EU Deadline
July 22, 2026The ISO/IEC 17065 accreditation from BELAC complements NSF’s testing capacity, enabling end-to-end support for EU Drinking Water Directive (DWD) readiness ahead of the January 2027 deadline.
