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.

Document

Drinking water scheme: trend analysis

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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 22 December 2017 + show all updates
  1. Updated with recent 'Drinking water scheme: trend analysis'.
  2. Updated drinking water scheme: trend analysis.
  3. Updated drinking water scheme: trend analysis.
  4. Updated drinking water scheme: trend analysis for distribution W163.
  5. Added trend analysis from April 2009 to November 2014.
  6. Added trend analysis from April 2009 to August 2014.
  7. First published.