Wickham Market STW - Secondary Wastewater Treatment in East Suffolk, England

Wickham Market STW (Sewage Treatment Works) is a municipal wastewater facility located near Campsea Ashe in East Suffolk, Suffolk, England. The plant serves a population of approximately 2,422, classifying it as a small agglomeration under UK and EU regulatory frameworks. It is situated inland, about 10-50 km from the coast, and operates under the UK's environmental permitting regime. The plant provides secondary treatment, which is the standard biological treatment stage required for inland discharges under the Urban Waste Water Treatment Directive (91/271/EEC). The designed capacity is 3,000 m³/day, and current discharge volume is 539.22 m³/day, indicating operational headroom. As a small-scale facility, it is subject to monitoring by the Environment Agency to ensure compliance with discharge consent conditions. Treated effluent from Wickham Market STW is discharged into local watercourses that drain toward the Suffolk coast, eventually reaching the North Sea. The receiving waters support diverse aquatic life and are part of the region's sensitive riverine ecosystems. The plant plays a key role in protecting water quality in the Deben and Alde river catchments, which are important for conservation and recreation.

The plant discharges into local streams that flow into the River Deben or River Alde, both of which drain into the North Sea via the Suffolk coast. These rivers support diverse aquatic habitats, including populations of Atlantic salmon and brown trout, and are part of a network of ecologically sensitive water bodies. The area is also important for migratory birds and wetland species.