NSF/ANSI 61 is the standard for chemical safety of products in contact with drinking water. Required certification for materials used on potable water reservoirs in the EU and US.
NSF-61 (NSF/ANSI 61) is the standard for chemical safety of products in contact with drinking water — including pipes, fittings, mechanical devices, joining materials, and floating cover materials. NSF-61 certification confirms that material contact does not contribute regulated contaminants to the water. NSF-61 certified HDPE is approved for direct potable water contact in the EU (satisfying Drinking Water Directive material requirements) and the US.
Also known as: NSF/ANSI 61