This documentation establishes the minimum requirements and regulations for plumbing systems within the state. It provides detailed specifications for materials, fixtures, and installation methods to ensure the safe and sanitary conveyance of water and removal of waste. Compliance with these guidelines is mandatory for all plumbing work conducted in Illinois.
Adherence to these standards promotes public health by preventing water contamination and minimizing the risk of disease transmission. Furthermore, it ensures the durability and longevity of plumbing infrastructure, reducing the likelihood of costly repairs and water damage. Its development and evolution are rooted in ongoing research and best practices within the plumbing industry, adapting to technological advancements and addressing emerging concerns related to water conservation and energy efficiency.