Wolseley Wastewater Treatment Plant, Witzenberg Local Municipality, Western Cape

Wolseley wastewater treatment plant is located in the town of Wolseley, within the Witzenberg Local Municipality in the Cape Winelands District Municipality of the Western Cape, South Africa. The plant serves a population of about 16,056, placing it in the medium-sized agglomeration category for the region. Under South Africa's National Water Act (Act 36 of 1998) and the Water Services Act (Act 108 of 1997), wastewater treatment plants of this scale are required to meet effluent quality standards set by the Department of Water and Sanitation. Treatment typically involves primary and secondary processes to reduce organic load and pathogens before discharge. The plant's treated effluent is discharged into local watercourses that drain into the Breede River catchment, ultimately reaching the Indian Ocean near Cape Infanta. The Breede River system supports diverse aquatic life and is important for irrigation and recreation in the Western Cape region.

The plant discharges into the Breede River catchment, which flows through the Cape Winelands and into the Indian Ocean. The river supports a variety of fish species and provides habitat for waterbirds. The downstream environment includes agricultural areas and wetlands that benefit from maintained water quality.