The Safety of Water Supplied at Njala University, Njala Campus
| Autor: | Josephus F. Borsuah, Abubakarr S. Mansaray, Binty P. Fofana, Alhaji Brima Gogra, Bashiru M. Koroma |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Hydrology
010504 meteorology & atmospheric sciences Waste management business.industry Water supply 010501 environmental sciences Total dissolved solids 01 natural sciences Coliform bacteria Filter (aquarium) chemistry.chemical_compound Nitrate chemistry Environmental science Raw water Turbidity business 0105 earth and related environmental sciences |
| Zdroj: | Natural Resources. :81-93 |
| ISSN: | 2158-7086 2158-706X |
| DOI: | 10.4236/nr.2017.82006 |
| Popis: | The safety of water is usually determined by comparing its quality to recommended standards. The objective of this work was to determine whether the water supplied on Njala Campus is safe for drinking. The quality parameters investigated include coliform bacteria, turbidity, conductivity, total dissolved solids and nitrates. Samples were stored in a cooler with ice and transported to the laboratory within 30 minutes of collection. A checklist of questions to know the perception of residents was administered. According to the physical and biological results, the water is not safe for consumption. The turbidity and microbial counts were too high in most samples both in the wet and dry seasons. Additionally, over 80% of the respondents did not trust the water supply system. Most of them treat the supplied water by either boiling or disinfection before use. Most respondents complained of water-borne diseases but were not clear whether it is related to the water supplied. The chemical parameters, however, were acceptable: nitrate levels were low. In conclusion, the water is not safe for consumption as far as the physical and biological parameters are concerned. The campus water supply system needs improvement in terms of conveying raw and finished water, filter optimization, and satisfying the chlorine demand. |
| Databáze: | OpenAIRE |
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