Coney Weston STW - Secondary Wastewater Treatment Plant in West Suffolk, England

Coney Weston STW is a wastewater treatment facility located in the village of Coney Weston, within the West Suffolk district of Suffolk, England. The plant serves a small population of around 2,146 residents, reflecting its role in a rural community. It is situated inland, far from coastal areas, and operates under the regulatory framework of the United Kingdom. The plant provides secondary treatment, which is the standard biological treatment stage required under the UK's implementation of the EU Urban Waste Water Treatment Directive (UWWTD). For small agglomerations like this, secondary treatment is typically sufficient to protect local water quality. The facility has a designed capacity of 2,179 cubic meters per day and currently discharges an average of 477.77 cubic meters per day, indicating it operates well below its capacity. The treated effluent from Coney Weston STW is discharged into local watercourses that eventually feed into the River Waveney or the River Little Ouse, both of which flow into the North Sea via the Norfolk Broads. The plant plays a key role in protecting the sensitive freshwater ecosystems of the Suffolk countryside, supporting aquatic life and maintaining water quality in the region's rivers and streams.

Coney Weston STW discharges into local streams that drain into the River Waveney or River Little Ouse, both part of the Broadland catchment which flows into the North Sea. The area supports diverse aquatic habitats, including chalk streams and wetlands that are ecologically sensitive. The plant's secondary treatment helps reduce nutrient loads, protecting downstream ecosystems from eutrophication.