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Ecologia
  Year: 2020 | Volume: 10 | Issue: 2 | Page No.: 93-100
DOI: 10.3923/ecologia.2020.93.100
 
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A Survey of Water Physicochemical Parameters and Heavy Metals Contaminations of ABU Reservoir and a Stretch of Samaru Stream
P.O. Ayeku , B.I. Aguh , A.O. Ajibare and J.A. Adakole

Abstract:
Background and Objective: Heavy metals and water physicochemical analysis is prime importance in accessing the quality and pollution load of aquatic environment. The study assessed the water physicochemical parameters and heavy metal contents in water and sediment of ABU reservoir and Samaru stream with the aimed of providing an insight into the local ecosystem and water quality. Materials and Methods: Physicochemical characteristics of the reservoir in five sampling stations were investigated using standard methods of American Public Health Association (APHA). Heavy metals of the water and sediment were analyzed using atomic absorption spectrophotometer and x-ray diffraction, respectively. Results: The peak electrical conductivity (130.00 μS cm–1) obtained in August is an indication of low ionic concentration and low eutrophic status of the reservoir. However, low dissolved oxygen (DO) observed (<3.00 mg L–1) in August is attributed to accumulated autochthonous, nutrient enrichment and organic matter in the reservoir. Alkalinity varied between 30-150 mg L–1 CaCO3. The concentration of heavy metals; Fe, Mn, Zn, Cr, Ni and Pb in both water and sediment is generally low and below the least effect limit (LEL). The pollution status of sampling stations based on Pollution index is: 2>1>3>4>5. The highest mean metal concentration (0.69±0.13 mg kg–1) at station 2 is attributed to its close proximity to an abandoned landfill. Baseline (PLI = 1.48) level of pollutant was recorded from the result of pollution load index (PLI). Conclusion: The study provided data on some physicochemical conditions prevailing in the investigated rivers for future reference and also provides a valuable insight into the overall integrity of the local ecosystem and water quality.
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How to cite this article:

P.O. Ayeku, B.I. Aguh, A.O. Ajibare and J.A. Adakole, 2020. A Survey of Water Physicochemical Parameters and Heavy Metals Contaminations of ABU Reservoir and a Stretch of Samaru Stream. Ecologia, 10: 93-100.

DOI: 10.3923/ecologia.2020.93.100

URL: https://scialert.net/abstract/?doi=ecologia.2020.93.100

 
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