TITLE

Pollution Status and Effect of Crude Oil Spillage in Ughoton Stream Ecosystem in Niger Delta

AUTHOR(S)
Uzoekwe, S. A.; Achudume, A. C.
PUB. DATE
October 2011
SOURCE
International Journal of Environmental Protection;2011, Vol. 1 Issue 3, p67
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The present study, evaluate pollution status and the physico-chemical characteristics of Ughoton stream water as it affects the quality of water and its impact on Ughoton stream ecosystem. Surface water samples were collected at various distances, 50,100, 250, 500m downstream from an oil well. The potentially toxic elements, Fe, Mn, Zn, Ca, Cr, Cd, Ni, Pb were analyzed. Other parameters including cations, coliforms, heterotrophic bacteria and Total hydrocarbon were analyzed. The study reveals most of the parameters; pH, DO, BOD, and COD are within limits set by World Health Organization (WHO) for surface water. The heavy metal concentrations in the stream water are also below the threshold levels associated with the toxicological effects and the regulatory limits. However, the high concentration of nutrients, coliform and heterotrophic bacteria confirmed high pollution status. The coliform and heterotrophic bacteria count ranged from 96 to 520 and 48 to 284 per 100ml respectively. Pollution nature of Ughoton stream water is further confirmed by its oil films coated environment. The pollution load exceeded tolenrance limit of stream that empties into major river. Therefore, The Ughoton stream water is considered as a threat to Ughoton natural ecosystem.
ACCESSION #
83144615

 

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