Overview
STOCKPORT STW serves approximately 176,000 people in Cheadle, Greater Manchester, England. The plant treats wastewater from the Stockport area before discharging into the local river system.
STOCKPORT STW is a major wastewater treatment facility located in Cheadle, Greater Manchester, England, serving an estimated population of 175,864. The plant is part of the United Kingdom's wastewater infrastructure, managed under the regulatory framework of the Environment Agency and the UK Water Industry Act. As a large agglomeration serving over 150,000 people, the plant is expected to provide at least secondary treatment under the EU Urban Waste Water Treatment Directive (91/271/EEC), which remains implemented in UK law. The facility likely employs conventional activated sludge or similar biological treatment processes to meet stringent discharge standards. The treated effluent is discharged into the River Mersey catchment, which flows through Greater Manchester and ultimately into the Irish Sea via the Mersey Estuary. The river supports diverse aquatic life and is an important ecological corridor in the region. The plant plays a critical role in protecting water quality in this densely populated urban area.
Environmental context
The plant discharges into the River Mersey catchment, which flows through Greater Manchester and into the Mersey Estuary before reaching the Irish Sea. The Mersey Estuary is a vital habitat for migratory birds and supports a range of fish species. The plant's treatment processes help reduce nutrient and pollutant loads, protecting downstream ecosystems and supporting the ecological health of the estuary.
Frequently asked questions
STOCKPORT STW is located on Vale Road in Heaton Mersey, Cheadle, within the Stockport area of Greater Manchester, England.
The plant serves an estimated population of 175,864 people, making it a large agglomeration under the EU Urban Waste Water Treatment Directive.
The treated effluent from STOCKPORT STW is discharged into the River Mersey catchment, which flows through the Mersey Estuary and into the Irish Sea.
The plant operates under the UK's implementation of the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations over 150,000 people. Discharge permits are issued by the Environment Agency.
For a plant of this size in the UK, at least secondary treatment (e. g. , activated sludge) is standard, with possible tertiary treatment for nutrient removal if the receiving water is sensitive.
Nearby plants