Water Quality and Health Effects

Overview

Water Quality Testing & Certification

CSA Group provides a one-stop solution for testing and certification of plumbing products that deliver drinking water or contain a filter, water softener, reverse osmosis unit, or ultraviolet disinfectant (UV) unit. Plumbing services include assessment for compliance with drinking water, mechanical, and electrical standards.

CSA Group evaluates both point-of-entry and point-of-use products and can test and certify individual plumbing components, such as filter cartridges that reduce lead or chlorine.

CSA Group tests water quality to CSA, NSF and ANSI standards.

For plumbing supply fittings:

NSF/ANSI 372 lead testing in drinking water for supply fittings & pipes
NSF/ANSI/CAN 61 toxicology testing of drinking water for supply fittings & pipes
ASME A112.18.1/CSA B125.1 plumbing supply fittings
CSA B483.1 and NSF/ANSI 42, 44, 53, 55, and 58 for drinking water treatment units

For electrical plumbing components:

C22.2 No. 139
C22.2 No. 218
UL429 For drinking water

See table below for details:

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Standard	Standard Description
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NSF/ANSI Series
NSF/ANSI 42	Drinking Water Treatment Units - Aesthetic Effects
NSF/ANSI 44	Residential Cation Exchange Water Softeners
NSF/ANSI 53	Drinking Water Treatment Units - Health Effects
NSF/ANSI 55	Ultraviolet Microbiological Water Treatment Systems
NSF/ANSI 58	Reverse Osmosis Water Treatment Systems
NSF/ANSI 60	Drinking Water Treatment Chemicals - Health Effects
NSF/ANSI/CAN 61	Drinking Water System Components - Health Effects
NSF/ANSI/CAN 372	Drinking Water System Components - Lead Content
NSF/ANSI 177	Shower Filtration Systems - Aesthetic Effects
NSF/ANSI 169	Special Purpose Food Equipment and Devices
NSF/ANSI 2	Food Equipment
CSA B483 Series
CSA B483.1	Drinking Water Treatment Systems

FactSheet