Articles

Naegleria deaths: desired chlorine level not maintained

Despite tall claims about taking effective measures to keep Naegleria fowleri in check, the civic agencies concerned still have to do a lot of work to save precious lives since a large quantity of water supplied to the city is still shockingly unhealthy and prone to assist the growth of ‘brain-eating’ amoeba,

Water Supply and Sanitation in Pakistan

Drinking water supply and sanitation in Pakistan is characterized by some achievements and many challenges.

WHO guidelines for water contamination

This fourth edition of the World Health Organization’s Guidelines for Drinking-water Quality builds on over 50 years of guidance by WHO on drinking-water quality,

Methods of Water Purification

Water treatment can be defined as any procedure or method used to alter the chemical composition or natural "behavior" of a water supply.

Chlorine in Drinking Water

Exposure to chlorine, hypochlorous acid, and hypochlorite ion through ingestion of household bleach occurs most commonly in children.

WHO guidelines for water contamination

This fourth edition of the World Health Organization’s Guidelines for Drinking-water Quality builds on over 50 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.