How it works

Watermark Certification scheme administrative structure

The ABCB is responsible for the management and administration of the Scheme. The Joint Accreditation System of Australia and New Zealand (JAS-ANZ) accredits Watermark Conformity Assessment Bodies (WMCABs), who in turn evaluate and certify plumbing and drainage products.

WMCABs are responsible for evaluating new products to an approved specification for inclusion on the WaterMark Product Database (WMPD). If a new product cannot be evaluated to an approved specification, a new or amended specification can be submitted for the ABCB Office to review and approve. Once approval is obtained, the WMCAB can undertake an evaluation of the new product.

The WaterMark Administrative Framework details the relationship of key stakeholders and their role in the scheme.

Which products require certification?

It is important to note that not all plumbing and drainage products require WaterMark certification and authorisation. All products proposed to be used in a plumbing and drainage installation require a risk assessment to be undertaken.

A risk assessment has already been undertaken for several products. A comprehensive listing of products predetermined as requiring WaterMark certification - including product types and application, specifications and exemptions - is contained on the WaterMark Schedule of Products (WMSP). Likewise, the WaterMark Schedule of Excluded Products (WMEP) details products that have been predetermined as not requiring WaterMark certification. The ABCB will keep the WMSP and WMEP updated as new products undergo risk assessment and as specifications are approved for use or suspended.

Products not included on the WMSP or WMEP, which are proposed to be used in a plumbing or drainage installation, require an assessment to be undertaken in accordance with the requirements outlined in Appendix 3 of the Manual for the WaterMark Certification Scheme. These requirements include a risk assessment of the product, conducted by a WMCAB, to determine if WaterMark certification is necessary.

How to have a product certified

Organisations seeking WaterMark certification for their product should apply directly to a WMCAB. 

Any organisation that can satisfy an approved WMCAB that its product meets the requirements outlined in the Manual for the WaterMark Certification Scheme can have its product WaterMark certified. Individual WMCABs may have specific application and engagement processes for the certification of plumbing and drainage products.

Procedures and guidance information is available for the improved WaterMark Certification Scheme to assist with evaluation, certification and authorisation of plumbing and drainage products.


WaterMark information brochure

Information brochure relating to the WaterMark Certification Scheme.

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