PANT PLAS CERRIG STW FE Wastewater Treatment Plant, Llandysilio, Wales

PANT PLAS CERRIG STW FE is a wastewater treatment works located in Llandysilio, Powys, Wales. The plant serves a population equivalent of 2,192, classifying it as a small agglomeration under the EU Urban Waste Water Treatment Directive (UWWTD). It operates in a rural inland setting within the Cymru / Wales region. As a secondary treatment facility, the plant provides biological treatment to reduce organic matter and suspended solids. The designed capacity of 2,192 population equivalent aligns with the current population served, indicating adequate infrastructure. Under the UWWTD, secondary treatment is the minimum requirement for freshwater discharges from agglomerations of this size. The treated effluent is discharged into local watercourses that ultimately drain into the River Severn catchment and the Bristol Channel. The plant plays a key role in protecting the water quality of the surrounding rivers and downstream ecosystems, including the Severn Estuary, which supports diverse aquatic life and migratory fish species.

The plant discharges into local streams that feed into the River Severn catchment, which flows into the Bristol Channel and the Atlantic Ocean. The Severn Estuary is a major ecological feature supporting migratory fish like salmon and eels, as well as wading birds. The plant's secondary treatment helps reduce nutrient and organic pollution, safeguarding the downstream aquatic environment.