ORGANOLEPTIC AND PALATABILITY PROPERTIES OF DRINKING WATER SOURCES AND ITS HEALTH IMPLICATIONS IN ETHIOPIA: A RETROSPECTIVE STUDY DURING 2010-2016

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MENGESHA SISAY DERSO; WELDETINSAE ABEL; TESFAYE KIRUBEL; TAYE GIRUM

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Journal Paper

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Journal: Environmental Health Engineering and Management Journal Year:2018 | Volume:5 | Issue:4 Page(s): 221-229

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Title

ORGANOLEPTIC AND PALATABILITY PROPERTIES OF DRINKING WATER SOURCES AND ITS HEALTH IMPLICATIONS IN ETHIOPIA: A RETROSPECTIVE STUDY DURING 2010-2016

Author(s)

MENGESHA SISAY DERSO | WELDETINSAE ABEL | TESFAYE KIRUBEL | TAYE GIRUM | Issue Writer Certificate

Keywords

DRINKING WATER

WATER QUALITY

WATER SOURCES

TASTE

PHYSICOCHEMICAL PROPERTIES

RETROSPECTIVE STUDY

ETHIOPIA

LOGISTIC MODELS

Abstract

Background: This RETROSPECTIVE STUDY aimed to investigate the PHYSICOCHEMICAL PROPERTIES of DRINKING WATER sources in ETHIOPIA and compare the WATER QUALITY with the health-based target. For this purpose, the WATER QUALITY database of ETHIOPIAn Public Health Institute (EPHI) from 2010 to 2016 was used. Methods: The concentration and other properties of the water samples were analyzed according to the Standard Methods of Water and Wastewater analysis. Quality control and quality assurance were applied in all stages following our laboratory standard operation procedures (SOPs). Results: The concentration of the selected parameters varied based on the type of WATER SOURCES. The mean concentration of turbidity was higher in spring water (21. 3 NTU) compared to tap (12. 6 NTU) and well (3. 9 NTU) WATER SOURCES. The mean concentration of total dissolved solids (TDS), electrical conductivity (EC), sodium (Na+), and sulfate (SO4-2) was found to be higher in spring WATER SOURCES than tap and well WATER SOURCES. Comparably, the concentration of hardness, calcium, and magnesium was found to be higher in well WATER SOURCES than spring and tap WATER SOURCES. The bivariate analysis indicated that out of 845 analyzed water samples, more than 50% of the samples from Oromia region had turbidity, pH, TDS, hardness, Ca++, K+, and Na+ within an acceptable limit. In addition, the logistic regression analysis showed that WATER QUALITY parameters were strongly associated with the type of WATER SOURCES and regional administration at P < 0. 05. Conclusion: More than 80% of the samples analyzed from DRINKING WATER sources were in agreement with WHO guidelines and national standards. However, the remaining 20% specifically, pH (25%), calcium (20%), hardness (18. 1%), TDS (15. 5%), and turbidity (13. 3%) analyzed from improved WATER SOURCES did not comply with these recommendations. Due to objectionable or unpleasant TASTE, people may force to look for alternative unprotected WATER SOURCES that lead to health concerns.

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APA: Copy

MENGESHA, SISAY DERSO, WELDETINSAE, ABEL, TESFAYE, KIRUBEL, & TAYE, GIRUM. (2018). ORGANOLEPTIC AND PALATABILITY PROPERTIES OF DRINKING WATER SOURCES AND ITS HEALTH IMPLICATIONS IN ETHIOPIA: A RETROSPECTIVE STUDY DURING 2010-2016. ENVIRONMENTAL HEALTH ENGINEERING AND MANAGMENT JOURNAL, 5(4), 221-229. SID. https://sid.ir/paper/348933/en

Vancouver: Copy

MENGESHA SISAY DERSO, WELDETINSAE ABEL, TESFAYE KIRUBEL, TAYE GIRUM. ORGANOLEPTIC AND PALATABILITY PROPERTIES OF DRINKING WATER SOURCES AND ITS HEALTH IMPLICATIONS IN ETHIOPIA: A RETROSPECTIVE STUDY DURING 2010-2016. ENVIRONMENTAL HEALTH ENGINEERING AND MANAGMENT JOURNAL[Internet]. 2018;5(4):221-229. Available from: https://sid.ir/paper/348933/en

IEEE: Copy

SISAY DERSO MENGESHA, ABEL WELDETINSAE, KIRUBEL TESFAYE, and GIRUM TAYE, “ORGANOLEPTIC AND PALATABILITY PROPERTIES OF DRINKING WATER SOURCES AND ITS HEALTH IMPLICATIONS IN ETHIOPIA: A RETROSPECTIVE STUDY DURING 2010-2016,” ENVIRONMENTAL HEALTH ENGINEERING AND MANAGMENT JOURNAL, vol. 5, no. 4, pp. 221–229, 2018, [Online]. Available: https://sid.ir/paper/348933/en

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