Bankenveld Wastewater Treatment Plant, eMalahleni, Mpumalanga

Bankenveld wastewater treatment plant is located in eMalahleni (formerly Witbank), Mpumalanga, South Africa. The plant serves the local municipality as part of the region's water and sanitation infrastructure, supporting a community in the coal-mining heartland of the country. The plant operates at secondary treatment level, which is the standard required by South Africa's National Water Act (Act 36 of 1998) and the Water Services Act (Act 108 of 1997) for municipal wastewater treatment. Secondary treatment typically involves biological processes to reduce organic matter and suspended solids before discharge. The treated effluent is discharged into the Olifants River system, which flows through the Kruger National Park and into the Limpopo River basin, eventually reaching the Indian Ocean. The plant plays a key role in protecting downstream water quality in a region known for mining and industrial activity.

Bankenveld discharges into the Olifants River catchment, part of the Limpopo River basin. The Olifants River flows through the Kruger National Park, supporting diverse aquatic life including hippos and fish species. Downstream, the river joins the Limpopo River and drains into the Indian Ocean. The region faces challenges from mining runoff and agricultural pollution, making effective wastewater treatment critical for maintaining ecological health.