Physico-Chemical Concentration Of Urban River: A Seasonal Assessment Of River Ala In Akure, Ondo State, Nigeria
Keywords:
Physico- chemical, Seasonal assessment, surface water quality and urban centreAbstract
This study was necessitated by the peoples' consideration of water from rivers as substitute to the reigning incidence of water shortage in the downstream of the river. Six locations in River Ala upstream were chosen spatially within the urban built-up to reflect a consideration of all possible human activities that are capable of changing the quality of river water. Coefficient of variation and Correlation coefficient were respectively used to test for homogeneity and significant relationship of paired parameters. Water samples were collected for a period of 12 months, and were analyzed for physico chemical parameters which include ph, total dissolved solids, dissolved oxygen, biochemical oxygen demand, total hardness, calcium, magnesium, chlorine, nitrate, iron and zinc using standard procedures. For spatial reference the location of sampling points were determined with GPS and interpolated on digitized topographical map sheets of the study area. It was observed that variation exists in the quality of the sampled waters and impaired to different degrees using WHO standards for the selected parameters.It was recommended among others that the residents along River Ala in the upstream environment should embrace the culture of using waste incinerator and disposing management instead of discharging their waste to River Ala.
References
Akinwumi, F.O. (2000). Aquatic Lives and the Environmental Changes. In Jimoh H.I and I.P Ifabiyi (eds) Contemporary Issue in Environmental Studies. Ilorin: Haytee Press and Publishing.
Awake (2001). Water, Will There Be Enough? Pennsylvania, Watch Tower Bible and Tract Society, June 22, pp. 4-13.
Ayoade, J. O. (1988). Tropical Hydrology and Water Resources. London: Macmillan Publishers Ltd.
Barbour K. M., Oguntoyinbo J. S., Onyemelukwe J. O. C, & Nwafor J. C. (1982). Nigeria in Maps. London: Hodder and Stoughton.
Faniran, A. (1991). Water Resources Development in Nigeria: University of Ibadan Lecture. Ibadan: Givandet Press. Federal Bureau of Statistics (2007). Federal Republic of Nigeria Official Gazette, States. National and State Provisional Totals 2006 Census No. 24, Vol. 94, 2007
Ifabiyi I. P. H. (2000). Water Resources Utilization: Implication on Environmental setting. In Jimoh H.I and I.P Ifabiyi (eds) Contemporary Issues in Environmental Studies. Ilorin: Haytee Press and Publishing.
Ifabiyi, I.P. (1997). Variation in Water Gravity with Rainfall Incidences: A Case Study of Ogbe Stream Ile-Ife, Ife. Research Publications in Geography, Vol. 6 (1 & 2), 139-144.
Jaji M.O., Bamgbose O., Odukoya O.O. & Arowolo T.A. (2007). Water Quality Assessment of Ogun River, South West Nigeria. Environmental Monitoring Assessment, 133, 473-482. Springer Science and Business Media.
Martins, O. (1987). The Ogun River: Geochemical Characteristics of a Small Drainage Basin. Hydrological Processes (64) 475 - 482.
Ojosipe, B. A. (2007). Water and Waste Water Analysis. Mandatory Training Workshop Water. Institute of Public Analysist of Nigeria (IPAN) June.
Spiegel, M. R. & Stephens, L. J. (1999). Theory and Problems of Statistics, (3rd edition) USA: McGraw-Hill, Sweden, Stockholm.
Uluocha, N. O. and Ekop, G. (2002). Nigeria: Geography. In Osuntokun, A.; Aworawo and F. Masajuwa (eds) History and Cultures of Nigeria up to AD 2000. Lagos: Frankad Publishers.
WHO (2006). Guidelines for Drinking-Water Quality, Volume 1, Recommendations. 1st Addendum to (3rd edition).Geneva: World Health Organization (Electronic version). http://www.who.int/ water_sanitation_health/dwq/gdwq3rev/en/index.ht.
WHO (1993). Guidelines for Drinking-Water Quality, Volume 1, Recommendations (2nd edition). Geneva: World Health Organization.
Willey, S. (1987). Small Community Supplies. New York: International Reference Centre for Community Water Supply and Sanitation.
