Every year on March 11, the international plumbing community comes together to celebrate World Plumbing Day. The day aims to spread awareness of the importance of plumbing and plumbers in protecting public health and improving access to clean water and sanitation facilities.
American National Standards for health effects of drinking water treatment chemicals (NSF/ANSI 60) and drinking water system components (NSF/ANSI 61) updated for the Canadian market and published as National Standards of Canada.