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Eutrophication

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About seven billion litres of sewage are released every day into rivers and dams. (Andy Mkosi)
SYLVESTER MPANDELI

SA’s rivers and dams can no longer recover from pollution, say water scientists

About seven billion litres of sewage are released every day into rivers and dams This content is restricted to registered users and subscribers. Get Your Free Account The Mail &…

  • Sheree Bega
1 min read
Highly polluted reservoirs in Gauteng and the North West, including Hartbeespoort Dam, should be fenced off because of the health risks they pose to people and animals from blooms of toxic cyanobacteria. Photo: Getty Images
BILL HARDING

Seal off polluted dams to protect public health, says water expert

About 80% of the country’s dams are so enriched with nutrients they could produce toxic algal blooms

  • Sheree Bega
8 min read
Highly polluted reservoirs in Gauteng and the North West, including Hartbeespoort Dam, should be fenced off because of the health risks they pose to people and animals from blooms of toxic cyanobacteria. Photo: Getty Images
ACID MINE DRAINAGE

Faecal pollution severely contaminates SA’s rivers, dams – report

More than half of the sites showed a high health risk if water was used for irrigation

  • Sheree Bega
7 min read