WHO - Guidelines for drinking-water quality: Fourth edition incorporating the first and second addenda [2022]
Description:
The fourth edition incorporating the first and second addenda, of the World Health Organization’s (WHO) Guidelines for drinking-water quality (GDWQ) builds on over 60 years of guidance by WHO on drinking-water quality, which has formed an authoritative basis for the setting of national regulations and standards for water safety in support of public health.
It is the product of significant revisions to clarify and elaborate on ways of implementing its recommendations of contextual hazard identification and risk management, through the establishment of health-based targets, catchment-to-consumer water safety plans and independent surveillance.
Chapter 8 provides an overview of the chemical aspects of water safety. Chapter 12 provides chemical fact sheets. Fact sheets list WHO guideline values for chemicals in drinking-water and provide supporting information. Chemical summary tables are shown in annex 3.
Why this Tool/Guidance?
Information provided forms an authoritative basis for the setting of national regulations and standards for water safety in support of public health.
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