Middlewich STW: Wastewater Treatment Plant in Middlewich, Cheshire East, England

Middlewich STW is a wastewater treatment plant located on Sanderson Way in Middlewich, Cheshire East, England. It serves a population of around 15,786 people, classifying it as a medium-sized agglomeration under UK and EU standards. The plant is part of the region's municipal wastewater infrastructure, managed by the local water authority. As a UK wastewater facility, Middlewich STW operates under the Urban Waste Water Treatment Regulations, which transpose the EU Urban Waste Water Treatment Directive (91/271/EEC). For agglomerations of this scale, secondary treatment is typically required, with tertiary treatment in sensitive areas. The plant's designed capacity is 1.00 (likely in megalitres per day or similar unit), indicating its treatment capability. The plant discharges treated effluent into local watercourses that drain into the River Dane and eventually the River Weaver, which flows into the River Mersey estuary and the Irish Sea. This catchment supports diverse aquatic life and is important for regional water quality. The plant's operation helps protect downstream ecosystems and complies with environmental standards set by the Environment Agency.

Middlewich STW discharges into the River Dane catchment, which flows into the River Weaver and then the Mersey Estuary, ultimately reaching the Irish Sea. This watershed supports diverse aquatic habitats and is important for migratory fish species. The plant's treatment processes help maintain water quality in this ecologically sensitive river system.