Drinking water services

Drinking water product certification

Our certification program, accredited by the American National Standards Institute (ANSI), delivers the widest range of testing and certification services for water product manufacturers. From plumbing products to drinking water treatment units, having the UL Mark on your products provides confidence to regulators, installers and customers.

Visit UL Knowledge Services to download UL's latest white paper:  An Overview of Regulations for Lead Levels in Drinking Water System Components. 

Drinking water analytical services

Certified in 50 states and Puerto Rico, UL is the most certified laboratory for drinking water analysis in the United States. From comprehensive Safe Drinking Water Act compliance analysis including LT2, Stage 2, and UCMR 3, to cutting-edge capabilities that analyze trace levels of emerging contaminants including Hexavalent Chromium, our extensive experience in the analysis of drinking water and other clean water samples assures you that your testing will meet all applicable monitoring requirements.

Visit UL Knowledge Services to download UL's latest white papers:  Pharmaceuticals and Personal Care Products in Drinking Water and Hexavalent Chromium in Drinking Water: A Review of Regulations and Testing Procedures. 

UL DrinkWell^TM

UL DrinkWell™ is the first step to safer drinking water for private well owners.

Certification program for bottled water

As an industry leader in bottled water compliance analysis and plant inspection services, UL now offers a certification Mark designed specifically for producers of bottled water. The UL certified water quality Mark can add value to your brand because consumer market research shows that consumers prefer bottled water with the UL Mark.