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WHO Guidelines for drinking-water quality

Drinking-water quality is an issue of concern for human health in developing and developed countries world-wide. The risks arise from infectious agents, toxic chemicals and radiological hazards. Experience highlights the value of preventive management approaches spanning from water resource to consumer.

WHO produces international norms on water quality and human health in the form of guidelines that are used as the basis for regulation and standard setting, in developing and developed countries world-wide.

You can link here to:

Guidelines for Drinking-Water Quality, 3rd (current) edition, incorporating the first and second addenda

Index of background documents on chemical hazards in drinking-water

Rolling revision of the WHO Guidelines for Drinking-water Quality

WHO Guidelines for Drinking-water Quality, Policies & Procedures

Guidelines for Drinking-Water Quality, 2nd & previous editions

Training material on drinking-water quality

Other guidelines that deal with:

Safe recreational (bathing) waters

Safe use of wastewater, excreta and grey water

Other information that may be of interest

Water resources quality

Emerging issues in water and infectious disease

Arsenic in drinking-water

Information flyer on the 3rd edition of the guidelines [pdf 590kb]

Water for health brochure