The World Plumbing Council (WPC) is an international organization which aims to develop and promote the image and standards of the plumbing Industry worldwide! The WPC mission statement is: “To promote the role of plumbing in improving public health and safeguarding the environment, by uniting the World Plumbing Industry, for the benefit of all. World Plumbing Day is an international event held on March 11 every year, initiated by the World Plumbing Council as a means of highlighting the important role plumbing plays in the health, safety and sustainability of our community.