Trade mark number: 
The RW certification was developed by Urban Rainwater Systems Pty Ltd to provide an education platform, and a vehicle by which domestic rainwater tank systems can be certified in such a manner that consumers can have confidence in the integrity of the rainwater system from which they may be consuming rainwater.

Rain water tanks must be certified by Urban Rainwater Systems Pty Ltd in order to use the RW trade mark. Criteria include:

  • Non asbestos or lead roofing materials
  • Australian Standard complying gutters and downpipes
  • Tank material complying with all Australian Standards
  • An appropriate first flush device
  • Adequate mosquito protection
  • Take is sealed with covers and lids
  • The system is labelled and advice that the rainwater tank is to be automatically or regularly desludged.
Certification rules: 
953018.pdf PDF in PDF format [164.19 KB]