HIGHLEY STW - Secondary Wastewater Treatment Plant in Highley, England

HIGHLEY STW is a municipal wastewater treatment plant located in Highley, Shropshire, England. The facility serves a population of approximately 4,223 and operates with secondary treatment, a standard level for inland plants in the United Kingdom. The plant has a designed capacity of 4,295 m³/day and currently discharges 940.19 m³/day of treated effluent. As a secondary treatment plant, HIGHLEY STW meets the requirements of the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary biological treatment for agglomerations of this size. The plant is part of the UK's regulatory framework under the Environment Agency, which issues discharge permits to ensure compliance with water quality standards. The treated effluent from HIGHLEY STW is discharged into local watercourses that ultimately drain into the River Severn catchment. The River Severn is the longest river in the United Kingdom, flowing through Shropshire and into the Bristol Channel. The plant plays a key role in protecting the water quality of this important river system and its downstream ecosystems.

HIGHLEY STW discharges into the River Severn catchment, which flows through central England and into the Bristol Channel. The River Severn supports diverse aquatic life, including salmon and otter populations, and is an important migratory corridor. The plant's secondary treatment helps reduce organic pollutants and nutrients, safeguarding the ecological health of the river and its estuary.