The following is a list of all standards to which WQA performs product testing and certification:

Standards with WQA's Scope of Accreditation   

  • CSA B483.1: Drinking Water Treatment Systems    
  • NSF/ANSI 14: Plastics Piping System Components & Related Products
  • NSF/ANSI 18: Manual Food & Beverage Dispensing
  • NSF/ANSI 42: Drinking Water Treatment Units, Aesthetic Effects
  • NSF/ANSI 44: Residential Cation Exchange Water Softeners
  • NSF/ANSI 50: Equipment for Swimming Pools, Spas, Hot Tubs and Other Recreational Water Facilities
  • NSF/ANSI 51: Food Equipment Materials
  • NSF/ANSI 53: Drinking Water Treatment Units - Health Effects
  • NSF/ANSI 55: Ultraviolet Microbiological Water Treatment Systems
  • NSF/ANSI 58: Reverse Osmosis Drinking Water Treatment Systems
  • NSF/ANSI 60: Drinking Water Treatment Chemicals - Health Effects
  • NSF/ANSI 61: Drinking Water System Components - Health Effects
  • NSF/ANSI 62: Drinking Water Distillation Systems
  • NSF/ANSI 169: Special Purpose Food Equipment and Devices
  • NSF/ANSI 177Shower Filtration Systems - Aesthetic Effects
  • NSF/ANSI 372: Drinking Water System Components – Lead Content
  • NSF/ANSI 401: Drinking Water Treatment Units – Emerging Compounds/Incidental Contaminants
  • NSF Protocol P231: Microbiological Water Purifiers   
  • US EPA Guide Standard and Protocol for Testing Microbiological Water Purifiers    
  • WQA S-100: Household, Commercial, and Portable Exchange Cation Exchange Water Softeners
  • WQA S-200: Residential and Commercial Water Filters
  • WQA S-300: Point-of-Use Reverse Osmosis Drinking Water Systems
  • WQA S-400: Point-of-Use Distillation Drinking Water Systems
  • WQA/ASPE/ANSI S-803: Sustainable Drinking Water Treatment Systems 
  • WQA/ASPE/ANSI S-802: Sustainable Activated Carbon Media for Drinking Water Treatment

Standards Outside of WQA's Scope of Accreditation

  • Bottled Water evaluated under the Bottled Water Scheme (FDA Guidelines)
  • Indian Standard - Packaged Drinking Water (Other than packaged natural mineral water) - Specification
  • Korean Standard for Water Purifiers
  • Perfluorochemical (PFC) Tested Products
  • SASO Saudi Arabian Standard Organization Bottled Water
  • WQA ORD0901: Microbiological Reduction Testing Protocol – Tap Water Sources for Developing Countries – Pour Through Products