ASHTON UNDER LYNE STW - Wastewater Treatment Plant in Tameside, England

ASHTON UNDER LYNE STW is a wastewater treatment plant located in Tameside, Greater Manchester, England. It serves a population of approximately 48,074 people, making it a medium-sized agglomeration under UK water industry classifications. The plant is situated in the industrial area of Guide Bridge, Dukinfield, and is part of the region's municipal wastewater infrastructure. As a UK wastewater treatment facility, ASHTON UNDER LYNE STW operates under the Urban Waste Water Treatment (England and Wales) Regulations 1994, which transpose the EU Urban Waste Water Treatment Directive (91/271/EEC). For agglomerations of this size, secondary treatment is typically required, with additional nutrient removal if the receiving waters are in a sensitive area. The plant is managed by a regulated water company under the oversight of the Environment Agency. The treated effluent from ASHTON UNDER LYNE STW is discharged into the River Tame, a tributary of the River Mersey. The Mersey flows into the Irish Sea via the Mersey Estuary, which is an ecologically important area supporting diverse aquatic life and migratory birds. The plant plays a key role in protecting water quality in this urbanized catchment.

The plant discharges into the River Tame, which flows into the River Mersey and ultimately the Irish Sea. The Mersey Estuary is a vital habitat for fish, birds, and invertebrates, and is designated as a Site of Special Scientific Interest (SSSI) for its ecological importance. The plant's operations help maintain water quality in this sensitive downstream environment.