SOUTH ELY VALLEY STW, Vale of Glamorgan

Overview

SOUTH ELY VALLEY STW serves approximately 43,596 people in the Vale of Glamorgan, Wales. The plant operates under the EU Urban Waste Water Treatment Directive, ensuring secondary treatment for this medium-sized agglomeration.

SOUTH ELY VALLEY STW is a wastewater treatment plant located near Pendoylan in the Vale of Glamorgan, Wales, United Kingdom. It serves a population of approximately 43,596, classifying it as a medium-sized agglomeration under European Union regulations. As a plant in Wales, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this scale. The plant's designed capacity is 1.00 (likely in megaliters per day or equivalent), supporting its role in treating municipal wastewater from the surrounding area. The treated effluent is discharged into local watercourses that ultimately drain into the Bristol Channel, a major estuary on the southwest coast of the UK. This discharge contributes to the ecological health of the channel, which supports diverse marine life and important bird populations.

Environmental context

The plant's discharge flows into the River Ely or its tributaries, which drain into the Bristol Channel. This estuary is ecologically significant, supporting migratory fish species and wintering waterbirds. The plant's treatment helps protect water quality in this sensitive coastal environment.

Frequently asked questions

SOUTH ELY VALLEY STW is located near Pendoylan in the Vale of Glamorgan, Wales, United Kingdom, with the postcode CF72 8NU.

The plant serves approximately 43,596 people, classifying it as a medium-sized agglomeration under EU regulations.

Treated wastewater is discharged into local watercourses that flow into the Bristol Channel, a major estuary on the southwest coast of the UK.

As a UK plant in Wales, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations over 2,000 population equivalent.

Under the EU UWWTD, plants serving between 10,000 and 150,000 population equivalent typically require secondary treatment, with tertiary treatment in sensitive areas.