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Book
Geo-Spatial Modeling of Access to Water and Sanitation in Nigeria
Authors: --- --- --- --- --- et al.
Year: 2018 Publisher: Washington, D.C. : The World Bank,

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Abstract

The paper presents the development and implementation of a geo-spatial model for mapping populations' access to specified types of water and sanitation services in Nigeria. The analysis uses geo-located, population-representative data from the National Water and Sanitation Survey 2015, along with relevant geo-spatial covariates. The model generates predictions for levels of access to seven indicators of water and sanitation services across Nigeria at a resolution of 1x1 square kilometers. The predictions promise to hone the targeting of policies meant to improve access to basic services in various regions of the country.


Book
Why Do So Many Water Points Fail in Tanzania? : An Empirical Analysis of Contributing Factors
Authors: --- --- --- --- --- et al.
Year: 2019 Publisher: Washington, D.C. : The World Bank,

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According to the 2015 Tanzania Water Point Mapping data, about 29 percent of all water points are non-functional, out of which 20 percent failed within the first year. This paper analyzes the various factors which impact water point failure and measures the relative contributions of these determinants. The results indicate that water points managed by village committees had a much higher likelihood of failure than those managed by private operators or water authority. Factors that cannot be modified such as hydrogeological factors play a major role in determining water points failure during the first year after installation. However, management type as well as the type of pump and technology matter considerably more in the short and medium term.

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