Waters, Vol. 2, Issue 1, Dec  2019, Pages 1-24; DOI: 10.31058/j.water.2019.11001 10.31058/j.water.2019.11001

Assessment of Residential Water Demand and Spatial Distribution in Cities in the West African Sahel: Jalingo, Taraba State, Nigeria in Perspective

, Vol. 2, Issue 1, Dec  2019, Pages 1-24.

DOI: 10.31058/j.water.2019.11001

Joshua Ma’Aku Mark 1,2 , Ojeh Vincent Nduka 1* , Olajire Olabanji 2

1 Department of Geography, Taraba State University, Jalingo, Nigeria

2 African Regional Centre for Space Science and Technology-in-English and Centre for Space Research Applications, Federal University of Technology, Akure, Nigeria

Received: 21 October 2018; Accepted: 25 February 2019; Published: 4 April 2019

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In the face of a growing demand for portable water catalyzed by population and rapid urbanization, there exist a precarious imbalance between water availability and accessibility by the populace. This study seeks to assess residential water demand and distribution as it relates to urban population change in Jalingo, Taraba State Mapping of the existing water supply network was achieved through Geo-referencing and digitization of scanned map obtained from Jalingo Water Agency; Landsat image of 1986, 2001 and 2016 were used for land use land cover classification and change detection analysis adopted to provide insight into spatio-temporal variation in urban extent; population data obtained from National Population Commission was used to analyze population trend  and density analysis; using simple regression analysis, the relationship between urban population change and water demand was established; and weighted overlay analysis (WOA) which incorporated elevation and the various land use and cover classes was adopted to identify suitable areas for siting proposed buffer stations and new service areas for water supply facilities within the study area. The results reveal that the population of Jalingo stands 159,950 with a growth rate of 3.2% coupled with spatial variation in density ranging from 10-80 people per km2 both in the core and peripheral areas. Using built-up area as an indicator of urban change, the associated urban expansion rate from 1986 to 2016 stands at 23%. The increase in population also correlated strongly with water demand (p-value<0.05) and indicates that water demand may outweigh supply at the current coverage of water distribution facilities. Furthermore, demand was projected to be about 7.9 billion cubic meters by 2031.  These therefore creates the need for optimization which proposed more buffer stations and facility expansion with a view to enhancing sustainable planning and management of residential water consumption and distribution in the study area.


Residential Water Demand, Spatial Distribution of Water, West African Sahel, Weighted overlay Analysis, Population, Jalingo, Nigeria


© 2017 by the authors. Licensee International Technology and Science Press Limited. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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