Which organization is responsible for the development and maintenance of the National Plumbing Code of Canada?

The National Plumbing Code of Canada is developed and maintained by the National Research Council of Canada (NRC). The NRC is a key government agency that focuses on research and development in various fields, including construction and building codes. Their role in the development of the plumbing code ensures that regulations are based on sound scientific research and technical expertise, promoting safety and efficiency in plumbing systems across the country.

This organization collaborates with various stakeholders, including industry experts and government officials, to ensure the code reflects current practices, technologies, and safety standards. The involvement of the NRC also contributes to the harmonization of plumbing codes across different provinces and territories, facilitating consistency in plumbing practices nationwide.

The other options, while involved in various capacities related to public health, industry standards, and research, do not specifically hold the responsibility for the development and maintenance of the plumbing code.