WOLSINGHAM STW - Secondary Wastewater Treatment Plant in Wolsingham, County Durham

WOLSINGHAM STW is a wastewater treatment plant located in Wolsingham, a town in County Durham, North East England. The plant serves a population of approximately 2,259 people and operates under the regulatory framework of the UK Environment Agency, which enforces discharge permits under the Water Resources Act 1991 and the Urban Waste Water Treatment (England and Wales) Regulations 1994. The plant provides secondary treatment, which is the standard required for inland freshwater discharges under UK regulations. The designed capacity is 2,331 cubic meters per day, with an average daily discharge volume of 502.93 cubic meters, indicating a utilization rate well below capacity. This suggests the plant has headroom for future growth or seasonal variations. Treated effluent from the plant is discharged into local watercourses that feed into the River Wear, which flows eastward through Durham and into the North Sea at Sunderland. The Wear catchment supports diverse aquatic life, including salmon and trout populations, and the plant's treatment performance is critical to maintaining water quality in this ecologically important river system.

The plant discharges into the River Wear catchment, which drains into the North Sea via the Wear Estuary. The River Wear supports a range of fish species, including Atlantic salmon and brown trout, and its estuary provides habitat for migratory birds. The secondary treatment provided by WOLSINGHAM STW helps protect these downstream ecosystems from nutrient enrichment and organic pollution.