Guidance

Drinking water scheme: recent trend analysis

This external quality assessment (EQA) scheme is for laboratories that routinely monitor drinking water for low levels of indicator organisms.

• From: Public Health England
• Published: 31 July 2014
• Last updated: 13 October 2020 — See all updates

Documents

Drinking water scheme: trend analysis

MS Excel Spreadsheet, 610 KB

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Details

Analysis of results from laboratories participating in the drinking water scheme, which tests for low levels of indicator organisms.

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

Published 31 July 2014
Last updated 13 October 2020 + show all updates

1. 13 October 2020

   Added Drinking water scheme: trend analysis.

2. 4 June 2020

   Updated with latest trend analysis data.

3. 30 March 2020

   Updated with recent file.

4. 2 January 2020

   Updated with 'Drinking water scheme: trend analysis'. '

5. 19 December 2019

   Added recent 'Drinking water scheme: trend analysis'.

6. 22 October 2019

   Updated with latest trend analysis data.

7. 14 August 2019

   Updated with latest trend analysis data.

8. 25 June 2019

   Updated with latest trend analysis data.

9. 3 January 2019

   Updated 'Drinking water scheme: trend analysis' spreadsheet.

10. 6 November 2018

    Updated 'Drinking water scheme: trend analysis' spreadsheet.

11. 12 September 2018

    Added an updated version of 'Drinking water scheme: trend analysis' document.

12. 11 September 2018

    Added updated version of 'Drinking water scheme: trend analysis'.

13. 3 July 2018

    Added recent 'Drinking water scheme: trend analysis'.

14. 21 May 2018

    Updated with recent trend analysis file.

15. 16 March 2018

    Updated with recent trend analysis file.

16. 22 December 2017

    Updated with recent 'Drinking water scheme: trend analysis'.

17. 27 October 2017

    Updated drinking water scheme: trend analysis.

18. 29 June 2017

    Updated drinking water scheme: trend analysis.

19. 21 May 2015

    Updated drinking water scheme: trend analysis for distribution W163.

20. 25 November 2014

    Added trend analysis from April 2009 to November 2014.

21. 16 September 2014

    Added trend analysis from April 2009 to August 2014.

22. 31 July 2014

    First published.