Who is Kiwa Watermark certification and testing for? 

Certification and testing for plastics piping systems inside buildings is relevant for installers/ plumbers, architects, contractors, and anyone working for municipalities and housing association responsible for drinking water quality. 


About Kiwa Watermark product certification and testing 

Kiwa Watermark quality mark certified plastics piping systems inside buildings guarantee compliance with the requirements of Dutch and international standards for products used for drinking water distribution. In addition, the products meet the hygienic requirements, as set by the Dutch government. Only products that meet all requirements - including an agreed constant quality level - can be certified by Kiwa with the Kiwa Watermark. The guaranteed lifetime of the Kiwa Watermark certified pipes and fittings used inside buildings for transport of drinking water is at least 50 years.  


Kiwa Watermark certification evaluation guidelines 

Contact our certification experts in this area to study your question and work with you to find the right solution to obtain the Kiwa Watermark quality mark.

Kiwa Watermark certification process

Find certified companies and organizations

Search company name, city, standard, BRL and/or certificate number with this finder on the Kiwa Netherlands website.