Overview
South Warrington STW serves approximately 43,861 people in Warrington, England. The plant operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
South Warrington STW is a wastewater treatment plant located in Warrington, England, serving a population of around 43,861. The facility is situated near Bellhouse Lane in the Walton area, within the county of Cheshire. As a medium-sized agglomeration, it plays a key role in managing municipal wastewater for the southern part of Warrington. Under the EU Urban Waste Water Treatment Directive (91/271/EEC), agglomerations with a population equivalent between 10,000 and 150,000 are required to have secondary treatment. This regulatory framework ensures that the plant meets minimum treatment standards to protect the environment. The treated effluent from South Warrington STW is discharged into the local water system, which ultimately drains into the River Mersey and then into the Irish Sea. The Mersey Estuary is an ecologically important area that supports diverse aquatic life and migratory birds. The plant's operation helps maintain water quality in this sensitive downstream environment.
Environmental context
South Warrington STW discharges into the River Mersey catchment, which flows into the Mersey Estuary and then the Irish Sea. The estuary is a vital habitat for wading birds and fish species, and it supports a rich ecosystem. The plant's treatment processes help reduce nutrient and pollutant loads, protecting the ecological health of this downstream water body.
Frequently asked questions
South Warrington STW is located at Acton Grange #1 Junction, Bellhouse Lane, Walton, Warrington, England, WA4 6TS, United Kingdom.
The plant serves approximately 43,861 people in the southern part of Warrington.
The treated effluent is discharged into the local water system, which flows into the River Mersey catchment and eventually reaches the Irish Sea.
As a UK plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size.
Under the EU UWWTD, plants serving between 10,000 and 150,000 population equivalent are required to have secondary treatment, which typically involves biological processes to reduce organic matter and suspended solids.
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