Mi­cro­bi­o­log­i­cal con­tam­i­na­tion

Consumer Voice - - Test Report -

Ideally, all sam­ples taken from the dis­tri­bu­tion sys­tem in­clud­ing con­sumers’ premises should be free of E. coli and co­l­iform or­gan­ism. A ‘health ad­vi­sory’ alerts all wa­ter users that there is a health risk as­so­ci­ated with the wa­ter sup­ply. In most cases, the use of boiled or bottled wa­ter will be rec­om­mended for drink­ing and cook­ing. The no­tice will in­form cus­tomers of ac­tions be­ing taken to cor­rect the prob­lem, and when the prob­lem will likely be re­solved. More wa­ter sam­ples will be taken to find and elim­i­nate po­ten­tial con­tam­i­na­tion sources, and chlo­ri­na­tion and flush­ing of the sys­tem will most likely oc­cur. The health ad­vi­sory will re­main in ef­fect un­til the sit­u­a­tion is re­solved.

Mi­cro­bi­o­log­i­cally un­safe wa­ter can make you sick. E. coli is that sub-group of the fae­cal co­l­iform fam­ily that can cause diseases like di­ar­rhoea. Con­fir­ma­tion of fae­cal co­l­iform bac­te­ria or E. coli in a wa­ter sys­tem in­di­cates re­cent fae­cal con­tam­i­na­tion, which may pose an im­me­di­ate health risk to any­one con­sum­ing the wa­ter. E. Coli is most com­monly found in in­testines of peo­ple and warm-blooded an­i­mals, and through fae­ces finds its way into wa­ter sup­ply. In some coun­tries, de­tec­tion of E. coli con­tam­i­na­tion will lead to a ‘health ad­vi­sory’ be­ing is­sued within 24 hours. In the in­ves­ti­ga­tion by Team Voice, drink­ing wa­ter sam­ple from Ghazi­abad showed E. coli and co­l­iform con­tam­i­na­tion. It is nec­es­sary that drink­ing wa­ter sources are tested reg­u­larly to know whether the wa­ter is meet­ing the pre­scribed stan­dards for qual­ity. At pe­ri­odic in­ter­vals, the au­thor­i­ties must re­view and in­vest in in­fra­struc­ture and up­grade treat­ment and dis­tri­bu­tion fa­cil­i­ties. Fi­nally, as cit­i­zens and con­sumers, all of us must ex­er­cise our right to know whether our drink­ing wa­ter is safe.

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