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Evaluation of water supply system Case study in Naka ... - ENGEES

Evaluation of water supply system Case study in Naka ... - ENGEES

Evaluation of water supply system Case study in Naka ... - ENGEES

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Criteria <strong>of</strong> evaluation - IndicatorsassociatedValues Target or suggested value Source <strong>of</strong> the target<strong>water</strong> quantity (at the WTP)quantity <strong>of</strong> <strong>water</strong> resources available (rate <strong>of</strong>pump<strong>in</strong>g <strong>in</strong>take)7m 3 /h (*) 20m 3 /hMaster plan <strong>of</strong> thedesign <strong>in</strong> 1998per capita <strong>water</strong> resources available at WTP 2.1l/d (**) 20l/day Carter & al. (1999)variation <strong>of</strong> <strong>water</strong> resources availablethroughout the year<strong>water</strong> quality (at tap)turbidity, colourtaste, odourdam never dries, even dur<strong>in</strong>g dry seasonproblems noticed sometimes70% <strong>of</strong> <strong>in</strong>terviewees compla<strong>in</strong><strong>in</strong>g aboutchemical taste or/and odourno target as long as the <strong>water</strong> resourcesavailable is enough to provide the targetedquantity per capitaColour

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