This resource has been developed to provide guidance on how plumbing regulations work in Australia.


This document describes the details and key dates associated with the transition from the old WaterMark Certification Scheme to the improved WaterMark Certification Scheme.

This infographic depicts the relationships between the development of WaterMark Product Specifications (which specify product requirements) and PCA referenced documents (which specify installation

The WaterMark information brochure provides a summary of relevant information regarding the WaterMark Certification Scheme.

The WaterMark Certification Process flow chart outlines the steps in the process for WaterMark certification of a new plumbing or drainage material or product to be used in a plumbing installation.