Wastewater plants in Cymru / Wales

120 plants indexed. Showing 63 matching current filters.

63 plants matching filters

PORT TALBOT AND NEATH STW

Port Talbot, Cymru / Wales

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.

Not Reported 123,457 Medium

LLANELLI STW

Sir Gaerfyrddin / Carmarthenshire, Cymru / Wales

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.

Not Reported 52,847 Medium

TENBY AND SAUNDERSFOOT STW

Unknown, Cymru / Wales

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.

Not Reported 18,262 Medium

PEMBROKE STW

Pembroke Dock, Cymru / Wales

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.

Not Reported 17,713 Medium

SWANSEA STW

Swansea, Cymru / Wales

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.

Not Reported 169,648 Medium

ABERYSTWYTH STW

Aberystwyth, Cymru / Wales

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.

Not Reported 17,858 Medium

YSTRADGYNLAIS WWTW OFF WIND ROAD STW

Ystalyfera, Cymru / Wales

YSTRADGYNLAIS WWTW OFF WIND ROAD STW serves Ystalyfera, Wales, treating wastewater for approximately 11,515 people. The plant operates under UK regulations and discharges into the local river system.

Not Reported 11,515 Low

PONTYBEREM WWTW PONTYBEREM CARMS STW

Pontyberem, Cymru / Wales

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.

Not Reported 10,091 Medium

LLANNANT WWTW LLANNANT ROAD SWANSEA STW

Gorseinon, Cymru / Wales

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.

Not Reported 12,450 Medium

TREBANOS STW PHEASANT RD TREBANOS STW

Trebanos, Cymru / Wales

Trebanos STW serves approximately 16,600 people in Trebanos, Wales. The plant discharges treated wastewater into the local water environment, operating under UK water quality regulations.

Not Reported 16,633 Low

COLWYN BAY _ LLANDUDNO STW

Penrhyn-Side, Cymru / Wales

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.

Not Reported 80,187 Medium

TREBORTH BANGOR STW

Llanfairpwllgwyngyll, Cymru / Wales

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.

Not Reported 24,190 Medium

RHYL KINMEL BAY TOWYN STW

Abergele, Cymru / Wales

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.

Not Reported 54,652 Medium

CAERNARFON STW STW

Caernarfon, Cymru / Wales

Caernarfon STW STW serves approximately 12,184 people in Caernarfon, Gwynedd, Wales. The plant is located within 50 km of the coast and discharges into the Menai Strait, which connects to the Irish Sea.

Not Reported 12,184 Medium

LLANFAGLAN STW

Llanfaglan, Cymru / Wales

LLANFAGLAN STW is a wastewater treatment plant serving approximately 5,252 people in Llanfaglan, Gwynedd, Wales. It operates under UK regulations and discharges into local watercourses within the coastal region.

Not Reported 5,252 Medium

LLANGEFNI STW

Pentre Berw, Cymru / Wales

LLANGEFNI STW serves Pentre Berw on the Isle of Anglesey, Wales, treating wastewater for approximately 17,208 people. The plant operates under UK and EU regulations for secondary treatment.

Not Reported 17,208 Medium

MAESTEG STW

Llangynwyd, Cymru / Wales

MAESTEG STW is a municipal wastewater treatment plant serving Llangynwyd, Wales, UK. It treats wastewater for approximately 20,591 people and discharges into the local water environment.

Not Reported 20,591 Low

HAVERFORD WEST STW

Haverfordwest, Cymru / Wales

Haverford West STW serves 17,556 people in Pembrokeshire, Wales. The plant operates under the EU Urban Waste Water Treatment Directive, which requires secondary treatment for agglomerations of this size.

Not Reported 17,556 Medium

CARDIGAN STW

Aberteifi / Cardigan, Cymru / Wales

Cardigan STW serves the town of Aberteifi/Cardigan in Pembrokeshire, Wales, treating wastewater for a population of approximately 5,741. The plant is located near the coast and discharges into local watercourses.

Not Reported 5,741 Low

CARMARTHEN STW

Carmarthen, Cymru / Wales

Carmarthen STW serves approximately 20,285 people in Carmarthen, Wales. The plant operates under UK wastewater regulations, discharging treated effluent into the local catchment of the River Towy.

Not Reported 20,285 Low

Frequently asked

How many wastewater treatment plants are in Cymru / Wales?

UtilityRadar indexes 120 wastewater treatment plants in Cymru / Wales, with treatment level, capacity, operator and discharge data on each record.

Who operates wastewater treatment in Cymru / Wales?

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.

What is the largest wastewater treatment plant in Cymru / Wales?

Among the indexed plants, PORT TALBOT AND NEATH STW has the highest designed capacity at 1 m3/day.

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