TRIMDON VILLAGE STW - Secondary Wastewater Treatment in Trimdon Village, England

TRIMDON VILLAGE STW is a wastewater treatment facility located in Trimdon Village, County Durham, North East England. The plant serves a population of approximately 4,500, making it a small-scale municipal treatment works typical of rural communities in the region. The plant provides secondary treatment, which is the standard biological treatment stage required under the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. Secondary treatment removes organic matter and suspended solids, ensuring the effluent meets environmental standards before discharge. The plant has a designed capacity of 6,431 cubic meters per day and currently treats an average daily flow of about 995 cubic meters, indicating ample reserve capacity. The treated effluent is discharged into local watercourses that drain into the North Sea via the River Wear or smaller coastal streams. This discharge contributes to the ecological health of downstream habitats, supporting aquatic life and maintaining water quality in the region's rivers and coastal waters.

The plant's discharge enters local streams that flow into the River Wear, which ultimately reaches the North Sea at Sunderland. The North East England coastline includes ecologically sensitive areas such as estuaries and coastal wetlands that support diverse bird and fish populations. Maintaining high treatment standards helps protect these downstream environments from nutrient pollution and other contaminants.