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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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Original Research Articles

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2017.6(7): 4489-4500
DOI: https://doi.org/10.20546/ijcmas.2017.607.468


Impacts of Storage Duration and Materials on the Quality of Rainwater in Ogbomoso, Southwest Nigeria
T.P. Abegunrin1, G.O. Awe2*, A.Y. Sangodoyin3, O.E. Onofua1 and O.M. Oguntoye1
1Department of Agricultural Engineering, LadokeAkintola University of Technology, Ogbomoso, Nigeria
2Department of Soil Resources and Environmental Management, Ekiti State University,Ado Ekiti, Nigeria
3Department of Agricultural and Environmental Engineering, University of Ibadan, Ibadan, Nigeria
*Corresponding author
Abstract:

Alternative water sources for potable or non-potable purposes are now sought as a result of the global crisis of water shortage and rainwater harvesting is one of the several strategies for mitigating the growing water crisis. However, one of the primary issues regarding the use of rainwater is quality. The objective of this study therefore was to examine the combined effects of storage duration and materials on the physico-chemical and microbiological qualities of harvested rainwater in Ogbomoso, southwestern Nigeria. Samples of harvested rainwater were kept in three different storage materials, namely metal drum (M), plastic drum (P) and earthen pot (E) for one day (D1), five days (D5) and ten days (D10) before analysis for quality indicators of physical, chemical and biological characteristics. Storage material had significant effect on the quality indicators except temperature, chloride (Cl) and nitrite (NO2)with earthen pot most significantly influencing the quality of the harvested rainwater. Except for temperature, total solids (TS), nitrate (NO3) and total coliform (TC), storage duration did not significantly affect the quality indicators. As the storage duration increases, the introduction of contaminants increased the electrical conductivity (EC), TS and TC. There was significant correlation between the harvested rainwater quality indicators and of all the quality indicators, only changes in water temperature and chloride can be best predicted over time. This study shows that harvested rainwater for potable purposes should not be stored more than five days without adequate treatment and the use of plastic drum is recommended for storing rainwater. Nevertheless, care must be taken when storing rainwater from the introduction of foreign contaminants while proper handling must be ensured.


Keywords: Rainwater harvesting, Quality indicators, Storage duration, Storage material.
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How to cite this article:

Abegunrin, T.P., G.O. Awe, A.Y. Sangodoyin, O.E. Onofua and Oguntoye, O.M. 2017. Impacts of Storage Duration and Materials on the Quality of Rainwater in Ogbomoso, Southwest Nigeria.Int.J.Curr.Microbiol.App.Sci. 6(7): 4489-4500. doi: https://doi.org/10.20546/ijcmas.2017.607.468