Water Supply Industry Interpretations and Advice

  • Area of Interest : WCs
  • Topic : Flushing performance
  • Title : WC pans - on site test of flushing effectiveness
  • Clause Reference : Schedule 2 paragraph 25(2) & G25.11
  • Reference Number : WC03
  • Decision Date : February 2002

Where there is the need to check the effectiveness of flushing of an already-installed WC which should meet the Regulators’ WC Specification, the Finnish Nordtest, Section 6.4.5A shall be used as an on-site test with the use, specifically, of Andrex toilet paper.

Details of the test may be obtained from the Water Regulations Advisory Scheme.