ALNWICK STW - Wastewater Treatment Plant in Denwick, Northumberland

ALNWICK STW is a wastewater treatment plant located in Denwick, Northumberland, England, serving a population of around 8,233. The facility is part of the United Kingdom's wastewater infrastructure, operating under the regulatory framework of the Environment Agency. As a plant serving a small agglomeration, ALNWICK STW is expected to meet secondary treatment standards under the Urban Waste Water Treatment Directive (91/271/EEC), which applies to all discharges from agglomerations of this size. The plant's designed capacity is 1.00, indicating its operational scale. The treated effluent from ALNWICK STW is discharged into local watercourses that eventually drain into the North Sea. This coastal discharge contributes to the ecological health of the region's rivers and marine environment, supporting aquatic life and maintaining water quality standards.

The plant discharges into local rivers and streams that flow into the North Sea via the Northumberland coast. The receiving waters support diverse aquatic ecosystems, including salmonid fisheries and important migratory bird habitats. The coastal environment is ecologically sensitive, with designated areas for nature conservation along the Northumberland shoreline.