Water Sanitation Health

Chemical hazards in drinking-water: Nitrate and nitrite

Nitrate and nitrite are considered in the WHO Guidelines for Drinking-water Quality (GDWQ). For details on the revision of the background document for nitrate and nitrite, see the section Rolling revision of the Guidelines for Drinking-water Quality.

The current background document and chemical fact sheet for the 4th edition of the GDWQ are available.

For individual chemicals, the GDWQ also consider:


Other publications of interest


For guidance on developing strategies for risk management and monitoring of chemicals in drinking-water see:

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