QUEENSFERRY STW, Queensferry | Wales Wastewater

Overview

QUEENSFERRY STW serves approximately 52,000 people in Queensferry, Wales. The plant discharges treated wastewater into the Dee Estuary, a sensitive coastal environment.

QUEENSFERRY STW is a wastewater treatment plant located in Queensferry, Flintshire, Wales, serving a population of around 52,000. The plant is situated near the River Dee and the Dee Estuary, an area of ecological importance. As a medium-sized agglomeration, it operates under the UK's implementation of the EU Urban Waste Water Treatment Directive (UWWTD), which requires secondary treatment for discharges into coastal waters. The Dee Estuary is a designated Site of Special Scientific Interest (SSSI) and supports diverse birdlife and fisheries. The plant's treated effluent contributes to the overall water quality of the estuary, which ultimately drains into the Irish Sea. Effective treatment is crucial to protect this sensitive ecosystem from nutrient pollution and other contaminants.

Environmental context

QUEENSFERRY STW discharges into the Dee Estuary, a major coastal inlet that flows into the Irish Sea. The estuary supports a rich diversity of aquatic life, including salmon, sea trout, and migratory birds. It is an ecologically sensitive area that requires careful management of nutrient inputs to prevent eutrophication and maintain water quality standards.

Frequently asked questions

QUEENSFERRY STW is located on Riverside Way in Queensferry, Flintshire, Wales, near the River Dee and the Dee Estuary.

The plant serves approximately 52,152 people in the Queensferry area.

The plant discharges treated effluent into the Dee Estuary, which flows into the Irish Sea.

As a UK plant serving over 50,000 people, QUEENSFERRY STW operates under the Urban Waste Water Treatment Directive (UWWTD), which mandates secondary treatment for discharges to coastal waters.

Under the UWWTD, plants serving populations between 10,000 and 150,000 are classified as medium agglomerations and typically require secondary treatment, especially when discharging into sensitive areas like the Dee Estuary.