UL provides drinking water product certification services for drinking water products and chemicals.

Drinking Water

Drinking water related products certified to NSF Standards

The following “Information” links show product category guide information, which typically describes the products covered under the category, their intended use, reference to utilizing manufacturer’s instructions, applicable installation codes, limitations regarding the use of the product, the standard or other requirements used to investigate the product, the type of UL Mark on the product, as well as other important facts such as explanation of markings, identification of related categories, and adjunct services.

Drinking water treatment chemicals — health effects (NSF 60)   Information   Manufacturers

Drinking water system components — health effects (NSF 61)   Information   Manufacturers

Drinking Water System Components – Lead Content (NSF 372) Information Manufacturers

If you are a manufacturer looking for certification to these standards click here

Technical articles


Useful resources for drinking water Authorities Having Jurisdiction:

Why municipalities should use UL certified DW treatment chemicals

The Safe Drinking Water Act (SDWA) is the main federal law that ensures the quality of Americans’ drinking water. Under the SDWA, the EPA sets rules for water-testing schedules, methods and techniques, and treatment chemical requirements that water systems must follow. These rules include establishing and enforcing standards (MCLs, treatment techniques, monitoring) that public drinking water systems must adhere to.  States and Indian Tribes are given primary enforcement responsibility (primacy) for public water systems in their State. The drinking water regulations promulgated by 48 of the 50 states include a requirement that chemicals used in drinking water treatment must be certified to NSF/ANSI Standard 60.

UL is ANSI-Accredited to test and certify drinking water treatment chemicals in accordance with NSF/ANSI Standard 60. This provides municipalities and consumers the assurance that the chemicals in their drinking water comply with nationally recognized health effects standards.

Properly Specifying Certified Drinking Water Treatment Chemicals and Products

To ensure that your AHJ is getting the appropriate bids for your water treatment and delivery products all products should be proven to be certified by an ANSI Accredited third party. This documentation should be provided with bid documents and/or a link to certification on the third parties website should be provided. For additional information on specifying UL certified products in bid documents or for information on how your AHJ can ensure you are getting the appropriate products in your bids, please contact Josh Jacobs at +1.678.559.8848 or josh.jacobs@ul.com.

Take advantage of UL’s expertise

UL staff expertise is unmatched when it comes to understanding and applying the SDWA testing requirements, as well as working with AHJs. If you have questions about our testing programs please contact Josh Jacobs at +1.678.559.8848 or josh.jacobs@ul.com.