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Drinking water samples during 2010 were collected from in and around the Quetta city and analyzed for physical, chemical and metallic composition by atomic absorption spectrophotometer and other techniques. Water temperature conductivity and pH of water varied from location to location and season to season. The pH value was more than 7 in all the water samples and seasonally it slightly increased in spring and reached to its maximum in summer, thereafter, it started gradually decreasing in autumn to winter season. Calcium, Magnesium and total cations showed variation from location to location. The two cations (Ca and Mg) showed inverse relationship between them except at two localities i.e. Hanna Lake and Berma hotel. The nutrient and ions (chlorides, sodium and sulphates) were found to be fluctuating irregularly. Total ions and bicarbonates were always found in all the water samples but the carbonates were mostly nil except at four locations i.e. Sariab tube well, Spin karaze, Jalugir pond and Brewery watercourse. The level of all the metals (Pb, Cu and Mn) except Zn and Ni remained higher at surface water samples (ponds, lakes, dam, karazes and water courses) but lower in ground water (tube wells).
SAAD ULLAH KHAN LEGHARI, MUDASSIR ASRAR ZADI, ATTA MOHAMMED SARANGZAI, GHAZALA SHAHEEN. (2011) PHYSICO-CHEMICAL COMPOSITION OF DRINKING WATER IN AND AROUND THE QUETTA CITY, fuuast Journal of Biology, Volume 1, Issue 1.
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