Who is Kiwa Watermark certification and testing for? 

Certified and tested metal piping products are relevant for producers, suppliers, applicators, pipe manufacturers, drinking water companies, installation companies, regional water authorities and municipalities who demand to work with high quality products, or require complying to regulations. 

About metal piping certification and testing 

Kiwa Watermark quality mark certified metal piping products guarantee compliance with the requirements of Dutch and international standards for products used for drinking water distribution. In addition, the products meet the strict 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.  

Kiwa Watermark certification evaluation guidelines 

The Kiwa Watermark evaluation guidelines include all requirements set by the market and government for products that come into contact with drinking water: both the private, functional requirements and the public, hygienic requirements. 

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.