A quantitative microbial risk assessment of water in the upper Olifants River catchment showed that sections of the catchment are highly contaminated with faecal indicator bacteria and pathogenic micro-organisms and that the polluted waters pose an unacceptably high risk to water users within this catchment.
Reference:
Le Roux, WJ, Schaefer, LM and Genthe, B. Microbial water quality in the upper Olifants River catchment: implications for health. 4th CSIR Biennial Conference: Real problems relevant solutions, CSIR, Pretoria, 9-10 October 2012
Le Rouw, W. J., Schaefer, L. M., & Genthe, B. (2012). Microbial water quality in the upper Olifants River catchment: implications for health. http://hdl.handle.net/10204/6244
Le Rouw, Wouter J, Lisa M Schaefer, and Bettina Genthe. "Microbial water quality in the upper Olifants River catchment: implications for health." (2012): http://hdl.handle.net/10204/6244
Le Rouw WJ, Schaefer LM, Genthe B, Microbial water quality in the upper Olifants River catchment: implications for health; 2012. http://hdl.handle.net/10204/6244 .