From water treatment to tap, we provide accredited expertise and unmatched service.

UL’s global network of laboratories provides complete performance and regulatory compliance testing and certification services for water products used in residences, commercial buildings, municipalities, etc. UL Marks for water quality and plumbing performance demonstrate product compliance to key standards and requirements for water infrastructure products, plumbing fixtures and fittings, water filtration equipment, water treatment chemicals and rainwater catchment systems.

Navigate Certifications with UL as Your Guide

Reliable answers to your questions
Receive direct access to our experienced staff who work quickly to learn your unique needs and streamline your projects.

Customer service that keeps you informed
Clear communication helps projects move forward smoothly, and we strive to deliver seamless customer service to make everything as easy as possible.

Quick turnaround times
Being first to market can help define the success of a product. We work quickly, with your target launch in mind, to help you get to market as scheduled.

A global reach to support all of your plans
Our expertise spans the globe in multiple industries, meaning all your products can be evaluated in one place.

Accredited facilities you can count on
US: American National Standards Institute (ANSI)
Canada: Standards Council of Canada (SCC)

A mark your customers know and trust
The UL Mark is recognized throughout the US and Canada.

Certifications to the standards you need. We certify to:

  • NSF
  • ANSI
  • CSA
  • ASME
  • ASTM
  • ASSE
  • AWWA

 Click here for an expanded list.


INDUSTRY INSIGHTS : Built Environment

Our industry names are evolving to better reflect changes in the market.

Find the right service within the UL offering and learn how it meets your particular needs.

Browse pertinent UL thought leadership to help you find the research and insights that matter for your business.

Appliance Advisor, 2018 – Issue 3
Appliance Advisor, 2018 – Issue 3...
Appliance Advisor, 2018 – Issue 2
Appliance Advisor, 2018 – Issue 2...
Appliance Advisor, 2018 – Issue 1
Appliance Advisor, 2018 – Issue 1...
Appliance Advisor, 2017 – Issue 4
Appliance Advisor, 2017 – Issue 4...
Appliance Advisor, 2017 – Issue 3
Appliance Advisor, 2017 – Issue 3...
Appliance Advisor, 2017 – Issue 2
Appliance Advisor, 2017 – Issue 2...
Appliance Advisor, 2017 – Issue 1
Appliance Advisor, 2017 – Issue 1...
Rainwater Catchment Systems
Rainwater Catchment Systems...
An Overview of Regulations for Lead Levels in Drinking Water System Components
An Overview of Regulations for Lead Levels in Drinking Water System Components...
Surveillance Requirements for Third-Party Certifiers of Drinking Water Treatment Chemicals
Surveillance Requirements for Third-Party Certifiers of Drinking Water Treatment Chemicals...