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

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Evaluation of water supply system – Case study in Naka, Nigeriabetween the different levels of government. It had been noticed that the Water Board,either staff from Makurdi or from the WTP in Naka, were not involved in the differentcommittees, whereas they had been running the water scheme since 1998. The schemebelow highlights the relationships which were in need to be strengthened.PartnershipBenue StateGovernmentMWRESmall Town Unit- Naka team- Ugbokpo team- Lessel teamWater Board- Makurdi staff- WTP staff in NakaPartners forWater andSanitationWateraidWater ConsumerAssociationGwer-WestLocalGovernmentWater andEnvironmentalSanitationCommunity of NakaRelationshipRelationship to strengthenFigure 4: Relationships between the different actors of the project5.4 Expansion planThe strong will of all the stakeholders was to have an expansion of the current pipedsystemto provide better coverage for some dense populated areas of Naka;community members were requiring household connections in particular and a biggeroverhead tank. It was real that the number of public water-points was not enough forthe moment compared to the population, leading to long distance walking to fetchwater.Cranfield University at Silsoe 29 Florianne Bourrigault (2006)
Evaluation of water supply system – Case study in Naka, NigeriaHowever, considering the importance of sustainability for the success of water supply,it was not considered appropriate to expand a system which was not actuallyproviding a basic satisfactory level of services: continuous, regular, durable, goodquality and with equity. At that time, the system was not fulfilling any of these criteriaso that any addition of connection would make the service quality worse, especiallyfor the pressure delivered at tap. That was mainly due to the physical incapacity of theassets to deal with 100 taps connections whereas the system was initially designed for15 taps, leading to accrued problems of pressure. Therefore inequity increasedbecause the connections added closer to the over-head tank had greater advantagesthan taps at other location. The fact that the system was even not working at the rate itwas designed for (7m 3 /h instead of 20m 3 /h) weighed in the favour of refusing theexpansion for the moment and rather to look deeply at the current system in order tomake it work in an optimum and sustainable manner. As the generator had just beenrepaired, that would improve the quality of services, on condition that the supply offuel is reliable in terms of frequency, quantity and quality.The requirements from community members also related to an increase of the intakepumping rate and an expansion of the existing dam. Increase of pumping rate morethan 20m 3 /h may first disturb the treatment process; then capacity of recharge of thedam need to be known because there is no point endangering the sustainability of thewater resource. Nevertheless, these were options to study later on, when the systemwould be ready for expansion and after acknowledgment of the present concerns.Cranfield University at Silsoe 30 Florianne Bourrigault (2006)
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Evaluation of water supply system Case study in Naka ... - ENGEES

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