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Impact of discharge wastewater effluents on the physico-chemical qualities of a receiving watershed in a typical rural community

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Abstract

The qualities of the treated final effluents of a wastewater treatment plant located in a rural community of the Eastern Cape Province of South Africa were assessed over the duration of 12 months. Parameters measured include pH, temperature, electrical conductivity, salinity, turbidity, total dissolved solid, dissolved oxygen, chemical oxygen demand, nitrate, nitrite and orthophosphate levels and these were simultaneously monitored in the treated final effluents and the receiving watersheds using standard methods. Unacceptably, high levels of the assayed parameters were observed in many cases for chemical oxygen demand (7.5–248.5 mg/L), nitrate (1.82–13.14 mg/L), nitrite (0.09–1.3 mg/L), orthophosphate (0.07–4.81 mg/L), dissolved oxygen (4.15–11.22 mg/L) and turbidity (3.68–159.06 NTU) during the study period and are severally outside the compliance levels of the South African Guidelines and World Health Organization tolerance limits for effluents intended for discharge through public sewers into receiving watersheds. The study has revealed that there was an adverse impact on the physico-chemical characteristics of the receiving watershed as a result of the discharge of inadequately treated effluents from the wastewater treatment facility. This poses a health risk to several rural communities which rely on the receiving water bodies primarily as their sources of domestic water. There is need for the intervention of appropriate regulatory agencies to ensure production of high quality treated final effluents by wastewater treatment facilities in rural communities of South Africa.

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References

  • Aina, E. O. A.; Adedipe, N. O., (1996). Water quality monitoring and environmental status in Nigeria. FEPA Monograph 6, FEPA, Abuja, Nigeria, 239.

    Google Scholar 

  • Calamari, D.; Naeve, H., (1994). Review of pollution in the African aquatic environment. Committee for Inland Fisheries of Africa (CIFA) Technical paper No. 25, FAO, Rome, 118.

    Google Scholar 

  • Chapman, D., (1996). Water quality assessments: A guide to the use of biota, sediments and water in environmental monitoring 2nd. Ed. UNESCO, World Health Organization, United Nations Environment Programme, London.

    Book  Google Scholar 

  • Correll, D. L., (1998). The role of phosphorus and eutrophication of receiving waters. A review. J. Environ. Qual., 27, 261–266 (6 pages)

    Article  CAS  Google Scholar 

  • DEAT, (2000).White paper on integrated pollution and waste management for South Africa: A policy on pollution prevention, Waste minimization, impact management and remediation, Department of Environmental Affairs and Tourism, 80.

  • DFID, (1999). A Simple Methodology for Water Quality Monitoring. G. R. Pearce, M. R. Chaudhry and S. Ghulum (Eds.), Department for International Development Wallingford. 100.

  • DWAF; WRC, (1995). South African water quality management series. Procedures to Assess Effluent Discharge Impacts. WRC Report No. TT 64/94. Department of Water Affairs and Forestry and Water Research Commission, Pretoria.

    Google Scholar 

  • DWAF, (1996a). South African Water Quality Guidelines. Domestic Uses. 2nd. Ed. Department of Water Affairs and Forestry, Pretoria, Vol. 1.

    Google Scholar 

  • DWAF, (1996b). South African Water Quality Guidelines, (Volume 2), Recreational Water Use (2nd Ed.). Department of Water Affairs and Forestry, Pretoria.

    Google Scholar 

  • DWAF, (1996c). South African Water Quality Guidelines, Aquatic ecosystems (1st. Ed.). Department of Water Affairs and Forestry, Pretoria, Vol. 7.

    Google Scholar 

  • DWAF, (1996d). South African Water Quality Guidelines, Agricultural water use irrigation (2nd. Ed.). 4, Department of Water Affairs and ForestryPretoria. RSA.

  • DWAF, (1998). Quality of Domestic Water Supplies. Assessment Guide. 1 (2nd. Ed.) Department of Water Affairs and Forestry, Department of Health and Water Research Commission.

  • DWAF, (1999). Quality of domestic water supplies. Sampling Guide 2. Department of Water Affairs and Forestry, Department of Health and Water Research Commission.

  • Fatoki, S. O.; Muyima, N. Y. O.; Lujiza, N., (2001). Situation analysis of water quality in the Umtata River catchment. Water SA., 27(4), 467–474 (8 pages)

    Article  CAS  Google Scholar 

  • Fatoki, S. O.; Gogwana, P.; Ogunfowokan, A. O., (2003). Pollution assessment in the Keiskamma River and in the impoundment downstream. Water SA., 29(3), 183–187 (5 pages).

    CAS  Google Scholar 

  • Government Gazette, (1984). Requirements for the purification of wastewater or effluent. Gazette No. 9225, Regulation, 991.

  • Holdsworth, R., (1991). New health consideration in water treatment. Avebury Technical Publications, Aldershot.

    Google Scholar 

  • Jaji, M. O.; Bamgbose, O.; Odukoya, O. O.; Arowlo, T. A., (2007). Water quality assessment of Ogun River, south west Nigeria. Environ. Monit. Assess., 133(1–3), 447–482 (36 pages).

    Google Scholar 

  • Lloyd, B.; Helmer, R., (1992). Surveillance of drinking water quality in rural area. Longman Scientific and Technical Publication. New York, Wiley. 34–56.

    Google Scholar 

  • Mathuthu, A. S.; Zaranyika, F. M.; Jonnalagadda, S. B., (1993). Monitoring of water quality in Upper Mukuvisi River in Harare, Zimbabwe. Environ. Intern., 19(1), 51–61 (12 pages).

    Article  CAS  Google Scholar 

  • McCulloch, W. L.; Goodfellow, W. L. Jr.; Black, J. A., (1993). Characterization, identification and confirmation of total dissolved solids as effluent toxicants. Environ. Toxicol. Risk Assess., 2, 213–227 (14 pages).

    Article  Google Scholar 

  • Morokov, V. V., (1987). Assessment of river pollutant source. J. Water Res., 14, 1027–1041 (15 pages).

    Google Scholar 

  • Morrison, G.; Fatoki, O. S.; Persson, L.; Ekberg, A., (2001). Assessment of the impact of point source pollution from the Keiskammahoek Sewage Treatment Plant on the Keiskamma River—pH, electrical conductivity, oxygen demanding substance (COD) and nutrients. Water SA., 27(4), 475–480 (6 pages).

    Article  CAS  Google Scholar 

  • Murray, K.; Du Preez, M.; Van Ginkel, C., (2000). National monitoring programme implementation manual draft. Water Research Commission, Pretoria.

    Google Scholar 

  • Obire, O.; Tamuno, D. C.; Wemedo, S. A., (2003). Physico-chemical quality of Elechi Creek in Port Harcourt, Nigeria. J. App. Sci. Environ. Manag., 7(1), 43–49 (7 pages).

    CAS  Google Scholar 

  • OECD, (1982). Eutrophication of waters: Monitoring, assessment and control. Organization for economic cooperation and development, technical report, Organization for Economic Cooperation and Development, Paris.

    Google Scholar 

  • Ogunfowokan, A. O.; Okoh, E. K.; Adenuga, A. A.; Asubiojo, O. I., (2005). Assessment of the impact of point source pollution from a university sewage treatment oxidation pond on the receiving stream-a preliminary study. J. App. Sci., 6(1), 36–43 (7 pages).

    Google Scholar 

  • Okoh, A. I.; Babalola, G. O.; Bakare, M. K., (1996). Microbial densities and physicochemical qualities of some crude oil flow stations saver pit effluents in the Niger Delta Area of Nigeria. Sci. Total Environ., 187(2), 73–78 (6 pages).

    Article  CAS  Google Scholar 

  • Okoh, A. I.; Barkare, M. K.; Okoh, O. O.; Odjadjare, E., (2005). The cultural microbial and chemical qualities of some waters used for drinking and domestic purpose in a typical rural setting of Southern Nigeria. J. Appl. Sci., 5(6), 1041–1048 (8 pages).

    Article  Google Scholar 

  • Okoh, A. I.; Odjadjare, E. E.; Igbinosa, E. O.; Osode, A.N., (2007). Wastewater treatment plants as a source of microbial pathogens in the receiving watershed. Afr. J. Biotech. 6(25), 2932–2944 (13 pages).

    CAS  Google Scholar 

  • Olajire, A. A.; Imeokparia, F. E., (2001). Water quality assessment of Osun River: Studies on inorganic nutrients. Environ. Monitor. Assess., 69(1), 17–28 (11 pages).

    Article  CAS  Google Scholar 

  • Rao, P. V., (2005). Textbook of environmental engineering. Eastern Economy Ed., Prentice-Hall of India Private Limited, New Delhi, Chapter 3, 280.

  • Rapin, F.; Blanc, P.; Corvi, C., (1989). Eutrophication trends in the water quality of the Rhode River. J. Mar. Biol. Assoc., 54, 825–855 (31 pages).

    Google Scholar 

  • Rast, W.; Thornton, J. A., (1996). Trends in eutrophication research and control. Hydrol. Proc., 10(2), 131–295 (165 pages).

    Article  Google Scholar 

  • SANCOR, (1984). Report of the ad hocworking committee. Lusher, J. A. (Ed.). Established by the Marine Pollution Committee of the South African National Committee for Oceanographic Research, South African Network for Coastal and Oceanic Research, 25.

  • UNEP, (1993). Environmental data report (93/94). United Nation Environment Programme, Blackwell, Oxford, UK, 63–105.

    Google Scholar 

  • Whitfield, A.; Bate, G., (2007). A review of information on temporarily open/closed estuaries in the warm and cool temperate biogeographic regions of South Africa, with particular emphasis on the influence of river flow on These Systems. WRC Report No. 1581/1/07.

  • WHO, (1984). Guideline for Drinking Water Quality Recommendation. World Health Organization, Geneva, Vol.1, 130.

    Google Scholar 

  • WHO, (1989). Health guidelines for use of wastewater in agriculture and aquaculture. World Health Organization. Technical Report Series 778. Geneva, Switzerland.

    Google Scholar 

  • WHO, (2002). Water and health in Europe: A joint report from the European Environment Agency and the WHO Regional Office for Europe.World Health Organization, WHO Regional Publications, European Series No. 93.

  • WHO, (2004). Rolling revision of the WHO guidelines for drinking-water quality, Draft for review and comments. Nitrates and Nitrites in drinking-water, World Health Organization. (WHO/SDE/WSH/04.08/56).

  • WRC, (2000). National eutrophication monitoring programme. Water Research Commission. Implementation Manual. Draft Report, Water Research Commission, Pretoria.

    Google Scholar 

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Authors and Affiliations

  1. Applied and Environmental Microbiology Research Group (AEMREG), Department of Biochemistry and Microbiology, University of Fort Hare, Private Bag X1314, Alice, 5700, South Africa

    E. O. Igbinosa B.S., M.Sc (Ph.D. research student) & A. I. Okoh B.Sc., M.Sc, Ph.D. (Full professor of microbiology and the Head of Department)

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  1. E. O. Igbinosa B.S., M.Sc
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  2. A. I. Okoh B.Sc., M.Sc, Ph.D.
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Correspondence to A. I. Okoh B.Sc., M.Sc, Ph.D..

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Igbinosa, E.O., Okoh, A.I. Impact of discharge wastewater effluents on the physico-chemical qualities of a receiving watershed in a typical rural community. Int. J. Environ. Sci. Technol. 6, 175–182 (2009). https://doi.org/10.1007/BF03327619

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