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Assessment of Bacteriological and Physicochemical Quality of Drinking Water from Source to Household Tap Connection in Nekemte, Oromia, Ethiopia
Joint Authors
Jida, Mulissa
Duressa, Gonfa
Assefa, Fassil
Source
Journal of Environmental and Public Health
Issue
Vol. 2019, Issue 2019 (31 Dec. 2019), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2019-02-18
Country of Publication
Egypt
No. of Pages
7
Main Subjects
Abstract EN
In Ethiopia, access to improved water supply and sanitation has been very low and hence majority of the communicable diseases are associated with unsafe and inadequate water supply.
Thus, the aim of this study was to assess physicochemical and bacteriological characteristics of water from sources to household connection in Nekemte town.
A cross-sectional study was conducted from November 2015 to March 2016.
Water samples were collected in triplicates from selected 30 sampling points from source, disinfection point, main distribution system tank, and household taps.
All samples were analysed for bacteriological, chemical, and physical quality parameters using standard procedures.
The results showed that temperature, pH, turbidity, total dissolved substances, and electrical conductivity of the water samples were varied between 16.9 and 22°C, 6.8–7.0, nil-12 NTU, 50–70 mg/l, and 40–46 µS/cm, respectively.
Phosphate and nitrate concentrations of the water samples also ranged between 0.65 and 1 mg/l and 2.2–6.5 mg/l, respectively.
Free residual chlorine concentration in the majority of the water samples was less than 0.5 mg/l.
All samples were positive for total coliform with counts ranging from 12 to 120 CFU/100 ml, whereas faecal coliforms were detected in only 37% of tap water samples.
In general, the majority of the tested parameters were within the permissible range of both the WHO and Ethiopian drinking water standards.
However, Fe, Mn, faecal coliforms, total coliforms, and temperature did not conform to both WHO and Ethiopian drinking water standards.
Based on the results, we can conclude that water quality deterioration was both at the sources and in the supply networks.
Hence, proper drainage, sewage disposal systems, and sufficient disinfection of water with chlorine are of prime importance to deliver safe drinking water to the residents of Nekemte town.
American Psychological Association (APA)
Duressa, Gonfa& Assefa, Fassil& Jida, Mulissa. 2019. Assessment of Bacteriological and Physicochemical Quality of Drinking Water from Source to Household Tap Connection in Nekemte, Oromia, Ethiopia. Journal of Environmental and Public Health،Vol. 2019, no. 2019, pp.1-7.
https://search.emarefa.net/detail/BIM-1174023
Modern Language Association (MLA)
Duressa, Gonfa…[et al.]. Assessment of Bacteriological and Physicochemical Quality of Drinking Water from Source to Household Tap Connection in Nekemte, Oromia, Ethiopia. Journal of Environmental and Public Health No. 2019 (2019), pp.1-7.
https://search.emarefa.net/detail/BIM-1174023
American Medical Association (AMA)
Duressa, Gonfa& Assefa, Fassil& Jida, Mulissa. Assessment of Bacteriological and Physicochemical Quality of Drinking Water from Source to Household Tap Connection in Nekemte, Oromia, Ethiopia. Journal of Environmental and Public Health. 2019. Vol. 2019, no. 2019, pp.1-7.
https://search.emarefa.net/detail/BIM-1174023
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1174023