Cathcart Wastewater Treatment Plant, Amahlathi Local Municipality, Eastern Cape

Cathcart wastewater treatment plant is located in Amahlathi Local Municipality, Eastern Cape, South Africa, serving a population of about 7,034. The plant operates as part of the municipal wastewater infrastructure for the Cathcart area, situated inland within the Amathole District Municipality. Under South Africa's water regulatory framework, wastewater treatment plants serving communities of this scale are typically required to meet secondary treatment standards under the National Water Act. The plant's design capacity and treatment process are aligned with the needs of a small agglomeration, ensuring compliance with national effluent quality guidelines. The treated effluent from the plant is discharged into the local river system, which drains into the Great Kei River catchment and ultimately reaches the Indian Ocean. This watershed supports diverse aquatic life and is important for regional water resources, particularly in the semi-arid Eastern Cape region.

The plant discharges into the Great Kei River catchment, which flows through the Eastern Cape and empties into the Indian Ocean near Kei Mouth. This watershed supports a variety of freshwater species and provides water for agricultural and domestic use downstream. The region's semi-arid climate makes maintaining water quality critical for ecosystem health and community water security.