Abstract
Hand-dug wells (HDWs) are a major source of water supply in developing nations. This is consequent upon the failure of government to provide safe water to the people. This paper looks at the vulnerability of HDWs in the core area of Akure, Nigeria. The study area is made up of 11 residential quarters with 1149 buildings; 10% of buildings and five wells in each quarter were randomly selected for the study. Data were collected using structured questionnaires and laboratory examinations. Water quality assessment showed that most parameters fall within WHO permissible limits for drinking water. However, microbial examinations indicated that drinking water quality was compromised in two residential quarters as there was evidence of coliform and e-coli. The study also identified other possible sources of water contamination in the study area. This paper recommends regular treatment of wells and the adoption of pipe-borne water supply systems in the city and other similar cities in developing countries.
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