Guidance

Drinking water scheme: recent intended results for distribution

External quality assessment (EQA) scheme suitable for laboratories that routinely monitor drinking water, examining for low levels of indicator organisms.

• From: Public Health England
• Published: 19 May 2014
• Last updated: 30 March 2021
  Show all updates

  1. 30 March 2021

     Added 'Drinking water scheme: intended results for distribution W195, samples W195A and W195B'.

  2. 6 November 2020

     Updated with 'Drinking water scheme: intended results for distribution W194, samples W194A and W194B'.

  3. 2 September 2020

     Added 'Drinking water scheme: intended results for distribution W193, samples W193A and W193B'.

  4. 15 April 2020

     Added 'Drinking water scheme: intended results for distribution W192, samples W192A, W192B and W192C'.

  5. 5 March 2020

     Added 'Drinking water scheme: intended results for distribution W191, samples W191A, W191B and W191C'.

  6. 9 December 2019

     Added 'Drinking water scheme: intended results for distribution W190'.

  7. 8 October 2019

     Added 'Drinking water scheme: intended results for distribution W189'.

  8. 8 August 2019

     Added 'Drinking water scheme: intended results for distribution W188, samples W188A, W188B and W188C'.

  9. 19 June 2019

     Added 'Drinking water scheme: intended results for distribution W187, samples W187A, W187B and W187C'.

  10. 16 April 2019

      Added 'Drinking water scheme: intended results for distribution W186'.

  11. 6 March 2019

      Added 'Drinking water scheme: intended results for distribution W185, samples W185A, W185B and W185C'.

  12. 13 December 2018

      Added 'Drinking water scheme: intended results for distribution W184, samples W184A, W184B and W184C'.

  13. 9 October 2018

      Added 'Drinking water scheme: intended results for distribution W183, samples W183A, W183B and W183C'.

  14. 9 August 2018

      Added 'Drinking water scheme: intended results for distribution W182, samples W182A, W182B and W182C'.

  15. 19 June 2018

      Added 'Drinking water scheme: intended results for distribution W181, samples W181A, W181B and W181C'.

  16. 19 April 2018

      Added 'Drinking water scheme: intended results for distribution W180',

  17. 7 March 2018

      Added 'Drinking water scheme: intended results for distribution W179, samples W179A, W179B and W179C'.

  18. 12 December 2017

      Added 'Drinking water scheme: intended results for distribution W177'.

  19. 11 October 2017

      Added drinking water scheme: intended results for distribution W177.

  20. 8 August 2017

      Added drinking water scheme: intended results for distribution W176.

  21. 13 June 2017

      Added drinking water scheme: intended results for distribution W175.

  22. 6 March 2017

      Added drinking water scheme: intended results for distribution W173, samples W173A, W173B and W173C.

  23. 13 December 2016

      Added drinking water scheme: intended results for distribution W172.

  24. 11 October 2016

      Added drinking water scheme: intended results for distribution W171, samples W171A, W171B and W171C.

  25. 10 August 2016

      Added intended results for distribution W170, samples W170A, W170B and W170C.

  26. 13 June 2016

      Added drinking water scheme: intended results for distribution W169.

  27. 19 April 2016

      Added drinking water scheme: intended results for distribution W168.

  28. 8 March 2016

      Added drinking water scheme: intended results for distribution W167.

  29. 3 November 2015

      Added drinking water scheme: intended results for distribution W166.

  30. 8 September 2015

      Added drinking water scheme: intended results for distribution W165.

  31. 14 July 2015

      Added drinking water scheme: intended results for distribution W164.

  32. 19 May 2015

      Added drinking water scheme: intended results for distribution W163, samples W163A, W163B and W163C.

  33. 15 April 2015

      Added drinking water scheme: intended results for distribution W162, samples W162A, W162B and W162C.

  34. 11 March 2015

      Added drinking water scheme: intended results for distribution W161.

  35. 12 November 2014

      The Drinking water scheme: intended results for distribution W159, samples W159A, W159B and W159C has been added.

  36. 9 September 2014

      Added 'Intended results for distribution W159’.

  37. 19 May 2014

      First published.

This publication was withdrawn on 15 May 2025

This content is no longer up-to-date. For the most recent information, see the Food and Environment Proficiency Testing Unit (FEPTU) website.

Documents

Drinking water scheme: intended results for distribution W195, samples W195A and W195B

PDF, 165 KB, 1 page

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Drinking water scheme: intended results for distribution W194, samples W194A and W194B

PDF, 169 KB, 1 page

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If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email publications@phe.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Drinking water scheme: intended results for distribution W193, samples W193A and W193B

PDF, 175 KB, 1 page

This file may not be suitable for users of assistive technology.

Request an accessible format

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email publications@phe.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Details

Results from quality control testing of water samples at participating laboratories.

For more information, please email foodeqa@phe.gov.uk.