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Evaluation of Fecal Coliform Prevalence and Physicochemical Indicators in the Effluent from a Wastewater Treatment Plant in the North-West Province, South Africa

Author

Listed:
  • Stenly Makuwa

    (Department of Biotechnology, University of Johannesburg, Doornfontein 2028, South Africa)

  • Matsobane Tlou

    (School of Physical and Chemical Sciences at the North-West University, Mafikeng 2790, South Africa)

  • Elvis Fosso-Kankeu

    (Water Pollution Monitoring and Remediation Initiatives Research Group, School of Chemical and Minerals, Engineering at the North-West University, Potchefstroom 2520, South Africa)

  • Ezekiel Green

    (Department of Biotechnology, University of Johannesburg, Doornfontein 2028, South Africa)

Abstract

Compliance of the effluents from wastewater treatment plants (WWTPs) to the regulatory standards, which mostly entail the removal/reduction of organic waste and deactivation of the potential microbial pathogens is of great importance. The detection of indicator parameters can be used to determine the effectiveness of a WWTP and the level of compliance with the South African regulatory standards. The performance of the WWTP was assessed by biological, physical and chemical measures in wastewater final effluent. The Escherichia coli ranged from 0 and 2420 count/100 mL in the final effluent. The recorded values for the physicochemical parameters were within the following ranges: pH (7.03–8.49), electrical conductivity (81.63–126.5 mS/m), suspended solids (0.40–20.4 mg/L), ammonia (0–22.15 mg/L), Chemical Oxygen Demand (COD) (1–73 mg/L), nitrate (0–16.1 mg/L), ortho-phosphate (0–8.58 mg/L) and free chlorine (0–3.21 mg/L). Furthermore, the concentration of toxic heavy metals was recorded to be between 1–10 ug/L for arsenic, cadmium, lead and mercury. In conclusion, all the parameters that were evaluated in this study indicate that the studied WWTP is performing in accordance with the prescribed general limits.

Suggested Citation

  • Stenly Makuwa & Matsobane Tlou & Elvis Fosso-Kankeu & Ezekiel Green, 2020. "Evaluation of Fecal Coliform Prevalence and Physicochemical Indicators in the Effluent from a Wastewater Treatment Plant in the North-West Province, South Africa," IJERPH, MDPI, vol. 17(17), pages 1-13, September.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:17:p:6381-:d:407524
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    References listed on IDEAS

    as
    1. Shalinee Naidoo & Ademola O. Olaniran, 2013. "Treated Wastewater Effluent as a Source of Microbial Pollution of Surface Water Resources," IJERPH, MDPI, vol. 11(1), pages 1-22, December.
    2. Joshua N. Edokpayi & John O. Odiyo & Titus A. M. Msagati & Elizabeth O. Popoola, 2015. "Removal Efficiency of Faecal Indicator Organisms, Nutrients and Heavy Metals from a Peri-Urban Wastewater Treatment Plant in Thohoyandou, Limpopo Province, South Africa," IJERPH, MDPI, vol. 12(7), pages 1-21, June.
    3. Tolulope E. Aniyikaiye & Temilola Oluseyi & John O. Odiyo & Joshua N. Edokpayi, 2019. "Physico-Chemical Analysis of Wastewater Discharge from Selected Paint Industries in Lagos, Nigeria," IJERPH, MDPI, vol. 16(7), pages 1-17, April.
    4. Emmanuel E. Odjadjare & Etinosa O. Igbinosa & Raphael Mordi & Bright Igere & Clara L. Igeleke & Anthony I. Okoh, 2012. "Prevalence of Multiple Antibiotics Resistant (MAR) Pseudomonas Species in the Final Effluents of Three Municipal Wastewater Treatment Facilities in South Africa," IJERPH, MDPI, vol. 9(6), pages 1-16, June.
    5. Olayinka Osuolale & Anthony Okoh, 2015. "Assessment of the Physicochemical Qualities and Prevalence of Escherichia coli and Vibrios in the Final Effluents of Two Wastewater Treatment Plants in South Africa: Ecological and Public Health Impli," IJERPH, MDPI, vol. 12(10), pages 1-14, October.
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