Estimations of Dissolved Oxygen (DO), Chemical Oxygen Demand (COD) and Trace Elements in Borehole Water from Local Government Areas in Plateau State, Nigeria


Authors : Ibanga, Imoh Etim; Nwapi, Lucy Larrycarr; Ekpo, Matina Imaobong; Akpan, Hilary Andrew; Abara, Ukeme Sambo; Obinna Nkechi; Mkpani John; Joseph, Nduese Innocent; Konglam, Nanle Ibrahim; Dalen, Manji Bala; Nkwocha, Brendan Chukwueke

Volume/Issue : Volume 8 - 2023, Issue 8 - August

Google Scholar : https://bit.ly/3TmGbDi

Scribd : https://tinyurl.com/ydywbkvd

DOI : https://doi.org/10.5281/zenodo.8348348

Abstract : This paper presents the results of an investigations into the levels of dissolved oxygen(DO),chemical oxygen demand(COD), chloride, sodium, potassium, lead, arsenic, and cadmium in boreholes water in some local government areas of Plateau State, Nigeria. The study samples comprised samples collected from 50 boreholes located in ten (10) local government areas. The data were collected using standard water analysis procedures, and the results were analyzed using Association of Official Analytical Chemists(2019) manual. The results revealed that all the parameters measured fell within the recommended values for drinking water quality, Though, the Nigeria Industrial Standard(NIS)has the maximum concentration reference ranges for Sodium, Chloride, Lead, Cadmium and Arsenic as 200mg/L,250mg/L,0.01mg/L,0.003mg/L and 0.01mg/L respectively. Also, the NIS did not have a threshold values for dissolved oxygen (DO),chemical oxygen demand (COD) and potassium for the boreholes water samples. The study concluded that the boreholes water from the study area was generally of good quality and suitable for drinking since there were no contaminations of the water samples by any of the metals, The findings of the study could form the basis for further research and the implementation of appropriate water quality management measures.

This paper presents the results of an investigations into the levels of dissolved oxygen(DO),chemical oxygen demand(COD), chloride, sodium, potassium, lead, arsenic, and cadmium in boreholes water in some local government areas of Plateau State, Nigeria. The study samples comprised samples collected from 50 boreholes located in ten (10) local government areas. The data were collected using standard water analysis procedures, and the results were analyzed using Association of Official Analytical Chemists(2019) manual. The results revealed that all the parameters measured fell within the recommended values for drinking water quality, Though, the Nigeria Industrial Standard(NIS)has the maximum concentration reference ranges for Sodium, Chloride, Lead, Cadmium and Arsenic as 200mg/L,250mg/L,0.01mg/L,0.003mg/L and 0.01mg/L respectively. Also, the NIS did not have a threshold values for dissolved oxygen (DO),chemical oxygen demand (COD) and potassium for the boreholes water samples. The study concluded that the boreholes water from the study area was generally of good quality and suitable for drinking since there were no contaminations of the water samples by any of the metals, The findings of the study could form the basis for further research and the implementation of appropriate water quality management measures.

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