What is the National Plumbing Code's requirement regarding the installation of potable water supply systems?

The National Plumbing Code emphasizes the importance of designing potable water supply systems to minimize risks of contamination. This would include considerations such as maintaining proper separation from wastewater systems, using materials that do not leach harmful substances into the water, and implementing backflow prevention methods. Ensuring that the water supply is free from contaminants is critical for public health, thus making it a foundational requirement within the plumbing code.

While maximizing flow is certainly a desirable feature of a plumbing system for efficiency, it must not come at the expense of safety standards regarding contamination. Timelines for installation may be relevant for scheduling but do not directly address health and safety issues outlined in the code. The requirement for certified materials, while crucial, is typically part of a broader strategy to reduce contamination risks. Consequently, the core focus remains steadfastly on the protection of potable water quality.