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Elevated steel reservoir

1,414 bytes added, 00:57, 17 May 2013
→‎Costs
==Costs==
'''Initial cost''': Prices vary considerably between countries and tank quality. In 1991, in Tanzania, a circular above-ground tank made of galvanized iron cost US$ 125 for a 1 m3 tank (US$ 125 per m3) and US$ 550 for a 10 m3 tank (US$ 55 per m3).
 
'''Nigeria''' <br>
Water pumped from these 'upgraded' wells into elevated storage tanks are widely referred o as 'borehole water' or 'tap water' among the nation's populace. It costs about N100,000 (about USD800) to put this system in place. On the other hand, to install a deep drilling system using heavy duty boring machines require a minimum of N400,000 (about USD3,200). In most instances, only a restricted proportion of the citizenry, precisely the wealthy, can afford the expensive deep drilling that conventional borehole technologies offer. In most instances, when this is the case, the water is strictly for owner usage and is not available for commercial purposes. Despite the debates associated with the quality of water provided by these upgraded wells of informal vendors, water from such sources is cheap (costs about 20-50 cents for 50 Litres), readily available but usage is only restricted for domestic uses alone - washing, bathing and cleaning. Sachet water, costing 50 cents for 3 Litres (one bag containing 20 sachets each of 150 ml volume), is thus often relied upon for drinking purposes. Although restively more expensive than water for domestic uses sourced from upgraded wells of informal vendors at the community level, a public perception of safety prevails - at least it must have gone through one form of treatment or the other, even if they were gotten from questionable sources.
==Field experiences==
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