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Water quality index of Kolo Creek, Bayelsa State, Nigeria


A.W. Ebuete
P.A. Bariweni

Abstract

The Kolo Creek was assessed to determine the impact of human activities on the water quality using the Water Quality Index. Water samples were collected from six sample sites (A-F) during the dry and wet seasons and assessed for physicochemical and biological parameters. Results from the study showed a mean e-coli level of 39.83±2.93 (Cfu); mean pH of 7.23±0.37 in the dry season and 6.78±0.18 for the wet season; and mean DO levels of 7.58±1.00mg/l during the dry season and 9.29±2.67mg/l during the wet season indicating that the Kolo Creek was biologically polluted but physicochemical potable for domestic use. However, combined physicochemical and biological classification with the water quality index ranked the creek water as medium (Class III) and not good for consumption. The water quality index was affirmed as a good single measure of water quality.

Keywords: Water Quality, Water Quality Index, Kolo Creek, Niger Delta


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eISSN: 2659-1499
print ISSN: 2659-1502