Cloudy water increases risk of gastrointestinal illnesses

DN Bureau

According to the sources, Cloudiness in water is caused by material floating in it; undissolved particles may actually provide some protection for harmful pathogens against disinfectants.

Cloudy drinking water is linked to increased cases of gastrointestinal illness (File Photo)
Cloudy drinking water is linked to increased cases of gastrointestinal illness (File Photo)


Washington D.C: Attention people, your first and only preference should be clean drinking water, as a study has warned that cloudy drinking water is linked to increased cases of gastrointestinal illness.

Cloudiness in water is caused by material floating in it; undissolved particles may actually provide some protection for harmful pathogens against disinfectants.

Researcher Anneclaire De Roos from Drexel University in Philadelphia, US found associations between acute gastrointestinal illness (AGI) and water turbidity, a term meaning cloudiness or opacity.

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Turbidity is the cloudiness or haziness of a fluid caused by large numbers of individual particles that are generally invisible to the naked eye, similar to smoke in air.

The results revealed that exposures through drinking water caused a low but detectable number of AGI cases in the regions. There is no clear, alternative explanation for the patterns of associations -- particularly when a similar pattern was seen multiple times.

Acute gastrointestinal illness could be caused by waterborne pathogens like norovirus, Giardia, or Cryptosporidium and carry symptoms like diarrhea and vomiting.

Cases linked to water systems have been estimated at between 12 and 16.4 million annually in the United States alone.

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Researchers looked into a collection of studies that had been done on the topic.

These studies were designed to evaluate risks from contamination of source waters (usually rivers in the cities studied), before the water entered cities' distribution systems.

They found that turbidity of drinking water was linked to increased AGI in multiple studies, and not just when there was increased cloudiness.

"As expected, the association between turbidity and AGI was found in cities with relatively high turbidity levels, often in unfiltered drinking water supplies," De Roos noted. (ANI)









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