Underwriters Laboratories Inc.

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Drinking Water Services

Your single source for drinking water product certification and analytical 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.

Drinking Water Analytical Services

Certified in 48 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 UCMR2, to cutting-edge capabilities to analyze trace levels of emerging contaminants, our extensive experience in the analyses of drinking water and other clean water samples provides you the confidence that your testing will meet all applicable monitoring requirements.

UL DrinkWell™

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. Backed by consumer market research, the UL Certified Water Quality Mark can add value to your brand because consumers prefer bottled water with the UL Mark.

05/30/2008
UL publishes position paper on pharmaceuticals in drinking water.