Quality of rainwater harvesting for rural communities of Delta State,Nigeria |
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Authors: | S I Efe |
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Institution: | (1) Department of Geography and Regional Planning Delta, State University, Abraka, Nigeria |
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Abstract: | This paper assess the level of potability of rainwater samples harvested from catchments roofs in 6 rural communities of Delta
State, Nigeria to achieve this goal a stratified sampling technique was adopted in the establishment of 90 sterilized cans
into the 3 senatorial districts of Delta; on the basis of one can for thatch, aluminium, asbestos and corrugated iron sheets,
and open surfaces. Six rural communities each were chosen from the three senatorial districts, making a total of 18 rural
communities that were chosen for the study. The harvested rainwater samples were analysed with the most appropriate equipment
and analytical techniques as recommended by World Health Organisation (WHO) and federal ministry of environment in Nigeria.
Kruskal—wallis H’test statistical techniques was employed to ascertain whether differences exist amongst the rainwater samples
collected from thatch, aluminium, asbestos and corrugated iron roofing sheets, and open surfaces. The result revealed that
most of physiochemical and biological characteristics of rainwater samples were generally below the WHO threshold, as such
the rainwater characteristics showed satisfactory concentration in these rural communities. Thus, the rainwater from these
rural communities should be harvested, stored for human consumption and for other uses by the inhabitants. But treatment is
needed in terms of their pH, TSS, Fe and colour. Similarly, significant differences exist amongst the rainwater samples collected
from the 5 roofing types, most especially low quality of rainwater were observed in thatch and asbestos roofing sheets. Thus,
rainwater from these sources should be purified before consumption. |
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Keywords: | Quality Rainwater Harvesting Rural Communities Delta State |
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