National Sanitary Foundation International (NSF)

Founded in 1944, NSF International is a not-for-profit, noncommercial organization known for their role in developing standards, product testing and certification services in the areas of public health safety and the protection of the environment. NSF conducts research  and tests and evaluates equipment, products and services for compliance with standards and criteria.

Three Standards for Additive Products

ANSI/NSF Standard 60 Drinking Water Chemicals-Health Effects
Covers water treatment chemicals.

ANSI/NSF Standard 61 Drinking Water System Components-Health Effects
Covers indirect additives.

ANSI/NSF Standard 61, Section 9
Covers devices used in the final level of water distribution. Limits the amount of lead or other contaminants that may be contributed by those devices to the drinking water.

Haws manufactures drinking fountains, electric water coolers and electric drinking fountains to be lead free by all known definitions including ANSI/NSF Standard 61, Section 9, California Proposition 65 and the Federal Safe Drinking Water Act.