Mathematical Computation of Water Quality Index of Vea Dam in Upper East Region of Ghana

By D. K. Boah, S. Twum, K. Pelig-Ba. 2015

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The objective of the study was to calculate the Water Quality Index (WQI) of Vea Dam in Upper East Region of Ghana in order to assess its suitability for drinking purposes. Water samples were collected from the Vea Dam in sterile bottles (1 litre capacity) under aseptic conditions. The samples were put in ice chest containing ice and then transported to the laboratory for analysis. Samples were assessed for ten (10) physico-chemical parameters namely pH, Electrical Conductivity, Total Dissolved Solid, Total Hardness, Nitrates, Sulphates, Chlorides, Calcium, Dissolved Oxygen and Biochemical Oxygen Demand. The calculation of the WQI was done using weighted arithmetic index method. The WQI was found to be 54.21 indicating clearly that untreated water from the Vea dam is of poor quality and must therefore be treated before use to avoid water related

Subfields: Environmental Engineering, Management, Monitoring, Policy and Law, Water Science and Technology

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