Wastewater Treatment Plants

latest news & developments

Of the 848 wastewater treatment plants assessed nationwide, 396 are in a critical state, while only about a quarter are performing at a standard that meets regulatory requirements. Photo: Delwyn Verasamy

‘We have the skills but not the system’: Water Institute of Southern Africa on SA’s wastewater crisis

Nearly half of South Africa’s wastewater treatment plants are in a critical state, with untreated sewage polluting rivers and dams

Sheree Bega

Water hyacinth, native to South America, is described as the world’s worst aquatic weed. It thrives in nutrient-enriched waters like Hartbeespoort Dam, forming dense impenetrable mats that affect boating, fishing and water sport activities and harms aquatic biodiversity. (Delwyn Verasamy/M&G)

BIOLOGICAL CONTROL

Tiny bugs reduce water hyacinth on Hartbeespoort Dam to 5%

Biological control is effective but the real solution would be to fix wastewater treatment plants in Joburg and Pretoria and stop sewage spills

Sheree Bega