BRECON STW (Brecon WWTW) - Wastewater Treatment Plant in Brecon, Wales

BRECON STW (also known as Brecon WWTW or Brecon Powys STW) is a municipal wastewater treatment plant located in Brecon, Powys, Wales, United Kingdom. The facility serves a population of approximately 8,500 people, placing it in the small-to-medium agglomeration category under UK and EU regulatory frameworks. The plant is situated near the Monmouthshire & Brecon Canal and operates within the scenic Brecon Beacons National Park area. As a UK wastewater treatment facility, BRECON STW operates under the Water Industry Act 1991 and is regulated by Natural Resources Wales (NRW) under the Environmental Permitting Regulations. For agglomerations of this size, the Urban Waste Water Treatment Directive (91/271/EEC) requires secondary treatment as a minimum, with tertiary treatment expected if the receiving water is designated as a sensitive area. The plant's treatment process and capacity details are not publicly available in this dataset, but typical plants of this scale in Wales employ activated sludge or trickling filter systems. The treated effluent from BRECON STW is discharged into the River Usk catchment, which flows south through the Usk Valley to the Severn Estuary and ultimately the Bristol Channel. The River Usk is a Site of Special Scientific Interest (SSSI) and supports diverse aquatic life, including Atlantic salmon and otter populations. The plant plays a key role in protecting this ecologically important river system from nutrient pollution and organic loading.

BRECON STW discharges into the River Usk catchment, which flows through the Brecon Beacons National Park and the Usk Valley before entering the Severn Estuary and the Bristol Channel. The River Usk is a high-quality river supporting salmonid fisheries and diverse macroinvertebrate communities. The plant's treatment performance is critical to maintaining good ecological status under the Water Framework Directive, particularly given the river's designation as a Special Area of Conservation (SAC) for its habitats and species.