Chemical And Microbiologicai Assay Of Some Water Samples In South West Nigeria

Abstract

Some diseases are larown to be transmitted through contaminated water. So the World Health Organisation has set standards on water wholesomeoess for various uses. Samples of three different brands of packaged water, and from the Sagamu Water Works (iust before passage into the pipeline and at the domestic tap} were chemically and microbiologically analysed using established methods. Results ol the various chentical assays indicated acceptable limits set by the WHO for alkalinity, nitrate, silica and chloride. However, the results of microbiological assay showed that water from domestic tap contained several colilorm organismsincluding Esclterimia coli contrary to the WHO requirement that itshould be coliform-free.

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