SONNING COMMON STW: Wastewater Treatment in South Oxfordshire, England

SONNING COMMON STW is a wastewater treatment plant located in Sonning Common, South Oxfordshire, England. It serves a population of approximately 4,600 people, making it a small agglomeration under UK and EU classification standards. The plant is situated inland, away from coastal areas, and its treated effluent is discharged into the local river system. As a small-scale treatment facility in the United Kingdom, SONNING COMMON STW operates under the Urban Waste Water Treatment Regulations, which transpose the EU Urban Waste Water Treatment Directive (91/271/EEC) into national law. For agglomerations of this size, secondary treatment is typically required, though specific treatment processes and capacity details are not publicly available. The plant is subject to environmental permitting by the Environment Agency, ensuring compliance with discharge standards. The treated wastewater from SONNING COMMON STW ultimately enters the River Thames catchment, which drains into the North Sea via the Thames Estuary. The local watercourses support diverse aquatic life and are important for recreational use. The plant plays a key role in protecting water quality in the Thames basin, a densely populated and ecologically significant region.

SONNING COMMON STW discharges into the River Thames catchment, which flows through southern England into the North Sea. The Thames basin supports a wide range of aquatic species and is a critical water resource for the region. The plant's operations help maintain water quality in local streams and rivers, which are used for recreation and wildlife habitat.