Water
NSF provides an extensive range of services for the water industry to help ensure the quality and safety of products in the marketplace. Separate from helping to facilitate consensus-based standards, NSF’s water programs test and certify products for drinking water, pools/spas, plumbing, plastics and wastewater. Our global offices provide comprehensive services, quality support and superior knowledge to help you grow your business while saving time and money.
Services by Type
Services By Sector

Municipal Water Treatment
Our expertise encompasses all areas of public drinking water distribution from water storage tanks to water meters and individual components.

Plumbing
NSF’s comprehensive testing and certification services help ensure your products comply with required performance standards and plumbing codes.

Plastics
NSF is the most widely recognized and respected certification mark in the plastic piping industry.

Residential Water Treatment
NSF provides testing and certification services for point-of-use (POU) and point-of-entry (POE) drinking water treatment systems and components.

Water Treatment Chemicals
Our expertise encompasses all areas of water distribution including water treatment chemical testing, certification, research and development.

Wastewater
NSF has over 40 years of experience in onsite wastewater treatment systems.

Building Water Health
NSF’s building water health program provides auditing, training, risk assessments and water safety plan development for building owners and managers.

Recreational Water / Pools / Spas
NSF’s inspection, testing and certification services can help ensure you comply with all major health codes, model building and construction codes.

Municipal Water Treatment
Our expertise encompasses all areas of public drinking water distribution from water storage tanks to water meters and individual components.

Plumbing
NSF’s comprehensive testing and certification services help ensure your products comply with required performance standards and plumbing codes.

Plastics
NSF is the most widely recognized and respected certification mark in the plastic piping industry.

Residential Water Treatment
NSF provides testing and certification services for point-of-use (POU) and point-of-entry (POE) drinking water treatment systems and components.

Water Treatment Chemicals
Our expertise encompasses all areas of water distribution including water treatment chemical testing, certification, research and development.

Wastewater
NSF has over 40 years of experience in onsite wastewater treatment systems.

Building Water Health
NSF’s building water health program provides auditing, training, risk assessments and water safety plan development for building owners and managers.

Recreational Water / Pools / Spas
NSF’s inspection, testing and certification services can help ensure you comply with all major health codes, model building and construction codes.