African Journal of Water Conservation and Sustainability
African Journal of Water Conservation and Sustainability ISSN: 2375-0936 Vol. 8 (3), pp. 001-005, March, 2020. © International Scholars Journals
Full Length Research Paper
Dissolved nitrogen in drinking water resources of farming communities in Ghana
Osei Akoto1* and Jackson Adiyiah2
1Department of Chemistry,Kwame Nkrumah University of Science and Technology Kumasi – Ghana.
2Regional Programmes DivisionEnvironmental Protection Agency, Sunyani – Ghana.
Accepted 21 January, 2020
A water quality study was carried out on streams and boreholes which serve as drinking water sources in farming communities in the Brong Ahafo region of the Republic of Ghana. The objective of this research was to determine concentrations of different forms of nitrogen in drinking water samples. Water samples were collected from these sources every three months (from January – December 2005) and analyzed for ammonia, nitrate and nitrite using the Palintest Photometer Method. Results indicated the annual mean concentration of nitrate, nitrite and ammonia varied from 0.09 - 1.06 mg/l, 0.006 - 0.36 mg/l and 0.008 - 0.179 mg/l respectively. An important observation is that, in general, higher nitrate and nitrite concentrations were found during the rainy season compared to the dry season. Concentrations of these potentially toxic substances were below WHO acceptable limits for surface and groundwaters, indicating these water resources appear safe for drinking from a dissolved nitrogen perspective.
Key words: ammonia, Brong Ahafo, nitrate, nitrite, nitrogen, ground and surface water.
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