120 plants indexed. Showing 65 matching current filters.
Resolven STW Storm Tanks Neath STW is a secondary treatment plant serving Melincourt, Wales. It discharges treated wastewater near the coast, with a designed capacity of 2988 m³/day.
USK STW Graig Olway Farm Llangview STW is a secondary treatment plant serving 2,877 people in Llanllowell, Wales. It discharges 640.52 m³/day of treated wastewater near the coast.
Creigiau Sewage Treatment Works (STW) serves the Creigiau area of Cardiff, Wales, treating wastewater for approximately 2,500 residents with secondary treatment before discharge.
DROPE STW Westbury Homes Glamorgan STW is a secondary treatment plant in Cardiff, Wales, serving approximately 2,011 people. It discharges treated wastewater near the coast, operating under UK regulations.
RHYDLAFAR ST STW is a secondary wastewater treatment plant serving 2,840 people in Cardiff, Wales, United Kingdom. It discharges 632.28 cubic meters of treated effluent daily.
ST ASAPH STW in St Asaph, Wales, is an advanced treatment plant serving 4,239 people. It discharges 943.75 m³/day of treated wastewater, with a designed capacity of 4,536 m³/day, located within 10 km of the coast.
Connah's Quay STW serves Shotton, Wales, treating wastewater for approximately 18,104 people. The plant operates under UK regulations and discharges into the Dee Estuary.
GREENFIELD STW serves approximately 15,140 people in Greenfield, Wales. The plant discharges treated wastewater into the local water environment under UK regulatory frameworks.
Holyhead WWTW STW serves 17,680 people in Llaingoch, Wales. The plant discharges treated wastewater into the Irish Sea via local watercourses, operating under UK environmental regulations.
Port Talbot and Neath STW serves over 123,000 people in Wales, United Kingdom. The plant discharges into local water bodies within 50 km of the coast, supporting regional wastewater management.
LLANELLI STW serves approximately 52,847 people in Carmarthenshire, Wales, as part of the UK's wastewater infrastructure. The plant discharges into the local water environment under regulatory oversight.
Tenby and Saundersfoot STW serves 18,262 people in Cymru/Wales, United Kingdom. The plant discharges treated wastewater into the local coastal environment, supporting water quality in the region.
PEMBROKE STW serves Pembroke Dock, Wales, treating wastewater for approximately 17,713 people. The plant is located near the coast and operates under UK regulations aligned with the EU Urban Waste Water Treatment Directive.
SWANSEA STW serves approximately 169,648 people in Swansea, Wales. The plant discharges treated wastewater into the Bristol Channel, supporting local water quality standards under UK regulations.
Aberystwyth STW serves the Welsh coastal town of Aberystwyth, treating wastewater for approximately 17,858 people. The plant is located within 50 km of the coast and discharges into the local catchment.
Pontyberem WWTW serves around 10,091 people in Pontyberem, Carmarthenshire, Wales. The plant is located within 50 km of the coast and discharges into local watercourses.
LLANNANT WWTW is a wastewater treatment plant serving Gorseinon, Swansea, Wales, UK. It serves a population of 12,450 and operates under the EU Urban Waste Water Treatment Directive.
Colwyn Bay & Llandudno STW is a wastewater treatment plant serving approximately 80,000 people in Penrhyn-Side, Wales. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this size.
Treborth Bangor STW serves Llanfairpwllgwyngyll, Wales, treating wastewater for approximately 24,190 people. The plant operates under UK regulations and discharges into the Menai Strait, which connects to the Irish Sea.
Rhyl Kinmel Bay Towyn STW serves approximately 54,652 people in Abergele, Wales. The plant operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
UtilityRadar indexes 120 wastewater treatment plants in Cymru / Wales, with treatment level, capacity, operator and discharge data on each record.
Among the plants on this page, the most-referenced operator is Dŵr Cymru / Welsh Water. UtilityRadar's records show 20 plants linked to this operator.
Among the indexed plants, ST ASAPH STW ST ASAPH STW has the highest designed capacity at 4,536 m3/day.