Influence of household water filters on bacteria growth and trace metals in tap water of Doha, Qatar

Jerome Nriagu, Chuanwu Xi, Azhar Siddique, Annette Vincent, Basem Shomar

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Deteriorating water quality from aging infrastructure, growing threat of pollution from industrialization and urbanization, and increasing awareness about waterborne diseases are among the factors driving the surge in worldwide use of point-of-entry (POE) and point-of-use (POU) filters. Any adverse influence of such consumer point-of-use systems on quality of water at the tap remains poorly understood, however. We determined the chemical and microbiological changes in municipal water from the point of entry into the household plumbing system until it leaves from the tap in houses equipped with filters. We show that POE/POU devices can induce significant deterioration of the quality of tap water by functioning as traps and reservoirs for sludge, scale, rust, algae or slime deposits which promote microbial growth and biofilm formation in the household water distribution system. With changes in water pressure and physical or chemical disturbance of the plumbing system, the microorganisms and contaminants may be flushed into the tap water. Such changes in quality of household water carry a potential health risk which calls for some introspection in widespread deployment of POE/POU filters in water distribution systems.

Original languageEnglish
Article number26529
JournalScientific Reports
Volume8
Issue number1
DOIs
Publication statusPublished - 1 Dec 2018

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trace metal
filter
bacterium
water
waterborne disease
rust disease
industrialization
health risk
biofilm
household
urbanization
microorganism
alga
sludge
infrastructure
water quality
disturbance
pollution
pollutant
water distribution system

ASJC Scopus subject areas

  • General

Cite this

Influence of household water filters on bacteria growth and trace metals in tap water of Doha, Qatar. / Nriagu, Jerome; Xi, Chuanwu; Siddique, Azhar; Vincent, Annette; Shomar, Basem.

In: Scientific Reports, Vol. 8, No. 1, 26529, 01.12.2018.

Research output: Contribution to journalArticle

Nriagu, Jerome ; Xi, Chuanwu ; Siddique, Azhar ; Vincent, Annette ; Shomar, Basem. / Influence of household water filters on bacteria growth and trace metals in tap water of Doha, Qatar. In: Scientific Reports. 2018 ; Vol. 8, No. 1.
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