Arsenic threat lurks in Multan water Updated 2 minutes ago

Therefore, proper assessment required systematic sampling from all major areas and different types of water sources rather than relying on results from limited locations.Groundwater is widely used in parts of Multan and surrounding areas.

Arsenic contamination may remain unnoticed because affected water does not necessarily show any obvious change in colour, taste or smell.

Regular laboratory testing is, therefore, essential to determine whether a source is safe for consumption.A published study examining drinking water in high schools in four tehsils of Multan found arsenic concentrations ranging from 3.25 to 184 micrograms per litre.

It reported that 99 per cent of the tested samples exceeded the World Health Organisation (WHO) guideline of 10 micrograms.Another study covering groundwater in five areas of Punjab, including Multan, found that 75% of 123 tested wells exceeded the WHO guideline, while 41% were above Pakistan's permissible limit of 50 micrograms per litre.Samples were collected from hand pumps, electric pumps and tube wells at varying depths, showing differences in contamination.The….

It identifies contaminated groundwater as a major source of human exposure and recommends testing water sources and providing safe supplies or appropriate treatment where contamination is found.In Muzaffargarh, around 20% of water samples examined during the past three years were reported to contain arsenic.

A water testing management research officer for Layyah for Layyah and Muzaffargarh said the findings covered parts of the Muzaffargarh, Alipur and Jatoi tehsils.In Layyah, arsenic was detected in up to 30% of drinking-water samples from different areas, with the maximum concentration reaching around 120 parts per billion.

The affected sources included hand pumps and tube wells.The experts called for regular testing, monitoring and purification of drinking-water sources, particularly in areas heavily dependent on groundwater.The variation in findings from different locations and sources underlines the need for a systematic assessment.A comprehensive city-wide survey covering WASA supplies, groundwater, tube wells, hand pumps, household sources and commercial filtration plants could provide a clearer picture of the situation.This would help identify….

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