Tweefontein Wastewater Treatment Works - Secondary Treatment Plant in Thembisile Hani, Mpumalanga

Tweefontein Wastewater Treatment Works is a municipal facility located in Thembisile Hani Local Municipality, Mpumalanga, South Africa. The plant provides secondary treatment for a population of about 5,550 residents, serving the local community's wastewater needs. As a secondary treatment plant, it employs biological processes to reduce organic matter and suspended solids. The plant operates under South Africa's water regulatory framework, which mandates compliance with the National Water Act and relevant discharge standards for municipal wastewater facilities. The plant's treated effluent is discharged into local water bodies within the Olifants River catchment, which flows through Mpumalanga and into the Limpopo River system. This watershed supports diverse aquatic life and is important for regional water resources.

The plant discharges into the Olifants River catchment, part of the Limpopo River basin that drains into the Indian Ocean. This watershed supports aquatic ecosystems and provides water for agriculture and communities downstream. The region's seasonal rainfall patterns influence flow and dilution capacity.