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CHEMICAL EXAMINATION OF PIPED WATER SUPPLY OF ILE-IFE IN SOUTHWEST NIGERIA
Orewole, M. O.; Makinde, O. W.; Adekalu, K. O. & Shittu, K. A.
Abstract
This study was undertaken to determine the changes in the physico-chemical properties of piped water
supplied in the state, between the treatment plant and points of use in Ile-Ife, Nigeria. Thirteen samples of
water were collected at different locations from treatment plant to the points of use and analyzed for the
following selected parameters: alkalinity, total dissolved solids, total suspended solid, total solid,
potassium, sodium, calcium, magnesium, trace metals, sulphate and chloride. The results revealed that
between treatment plant at Ede and the point of use, there are changes in the considered physico-chemical
properties of the water supply.The most significant is the concentration of lead ion which was higher than
the recommended 0.01mg/L by the world health organization and total alkalinity with a mean value of
(325.36±81.85) mg/L. The study concluded that the treatment process needs to be reviewed to identify the
possible source of the ion and put necessary prevention procedures.
Keywords
Point of use, physico chemical, trace metals, water quality, alkalinity, piped water
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