Robertson Wastewater Treatment Plant, Langeberg Local Municipality, Western Cape

The Robertson wastewater treatment plant is located in Langeberg Local Municipality, part of the Cape Winelands District Municipality in the Western Cape province of South Africa. It serves a population of about 31,000 residents in the Robertson area, a town known for its wine production and agricultural activities. As a South African municipal wastewater facility, the plant operates under the country's National Water Act and Water Services Act, which set standards for effluent quality and environmental protection. For a population of this scale, secondary treatment is typically required to reduce organic pollutants and suspended solids before discharge. The treated effluent is released into the Breede River catchment, which flows into the Breede River estuary and eventually reaches the Indian Ocean at St. Sebastian Bay. The river supports diverse aquatic life and is important for irrigation and recreation in the region.

The plant discharges into the Breede River system, which flows through the Western Cape's wine lands and agricultural areas before reaching the Indian Ocean at St. Sebastian Bay. The river supports a variety of fish species and provides habitat for waterbirds. The downstream estuary is ecologically sensitive, serving as a nursery for marine life and a stopover for migratory birds.