Oswestry Drenewydd STW - Wastewater Treatment Plant in Park Hall, Shropshire

Oswestry Drenewydd STW is a wastewater treatment plant located in Park Hall, near Oswestry in Shropshire, England. The facility serves a population of approximately 6,851 people and is part of the region's municipal wastewater infrastructure. Under the UK's implementation of the EU Urban Waste Water Treatment Directive (now retained as UK law), treatment plants serving populations between 2,000 and 10,000 are typically required to provide secondary treatment. The treated effluent from the plant is discharged into local watercourses that ultimately drain into the River Severn catchment, which flows into the Bristol Channel. The plant plays a role in protecting the water quality of the Severn basin, supporting aquatic life and downstream ecosystems.

The plant discharges into the River Severn catchment, one of the UK's major river systems. The Severn flows through Shropshire and into the Bristol Channel, supporting diverse aquatic habitats and migratory fish species. The treatment plant helps maintain water quality in this ecologically important basin, which is used for recreation and supports wildlife.