Wastewater plants in Cymru / Wales

120 plants indexed. Showing 62 matching current filters.

62 plants matching filters

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

MILFORD HAVEN STW

Milford Haven, Cymru / Wales

Milford Haven STW serves approximately 14,300 people in Milford Haven, Pembrokeshire, Wales. The plant discharges treated wastewater into the Milford Haven Waterway, a ria that flows into the Celtic Sea.

Not Reported 14,317 Medium

AMMANFORD STW

Swansea, Cymru / Wales

AMMANFORD STW serves approximately 30,470 people in the Swansea area of Wales, United Kingdom. The plant operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this size.

Not Reported 30,470 Low

LLANGENNECH WASTE WATER TREATMENT STW

Llangennech, Cymru / Wales

Llangennech Waste Water Treatment STW serves the community of Llangennech in Carmarthenshire, Wales. The plant is part of the UK's wastewater infrastructure, operating under national regulations.

Not Reported 5,103 Low

GOWERTON STW

Sir Gaerfyrddin / Carmarthenshire, Cymru / Wales

Gowerton STW is a municipal wastewater treatment plant serving approximately 54,733 people in Carmarthenshire, Wales. It operates under the UK's regulatory framework for wastewater treatment.

Not Reported 54,733 Low

BRIDGEND STW

Ogmore, Cymru / Wales

BRIDGEND STW serves approximately 150,000 people in Ogmore, Wales, as part of the United Kingdom's wastewater infrastructure. The plant operates under UK regulations implementing the EU Urban Waste Water Treatment Directive.

Not Reported 150,392 Medium

CRYNANT STW STW

Neath Port Talbot, Cymru / Wales

CRYNANT STW STW serves approximately 5,193 people in Crynant, Neath Port Talbot, Wales. The plant operates under UK wastewater regulations and discharges treated effluent into the local river system.

Not Reported 5,193 Low

CWMGWRCH STW STW

Cwmgwrach, Cymru / Wales

CWMGWRCH STW STW is a wastewater treatment plant serving Cwmgwrach, Wales, UK. It treats wastewater for approximately 5,366 people and operates under UK environmental regulations.

Not Reported 5,366 Low

LLANDRINDOD WELLS STW PARK LANE STW

Llandrindod, Cymru / Wales

Llandrindod Wells STW Park Lane STW is a municipal wastewater treatment plant in Llandrindod, Wales, serving approximately 6,246 people. It operates under UK regulations and discharges into local watercourses within the River Wye catchment.

Not Reported 6,246 Low

MONMOUTH STW STW

Monmouth, Cymru / Wales

MONMOUTH STW STW serves approximately 11,258 people in Monmouth, Wales. The plant discharges treated wastewater into the River Wye, a designated Site of Special Scientific Interest, and operates under UK environmental regulations.

Not Reported 11,258 Medium

CARDIFF STW

Cardiff, Cymru / Wales

Cardiff STW serves over 840,000 people in Cardiff, Wales, as a major wastewater treatment facility. The plant discharges treated effluent into the Bristol Channel, supporting local water quality and marine ecosystem health.

Not Reported 846,265 Medium

CARDIFF WEST AND BARRY COG MOORS

Lavernock, Cymru / Wales

Cardiff West and Barry Cog Moors wastewater treatment plant serves approximately 194,000 people near Lavernock, Wales. The facility operates under UK regulations implementing the EU Urban Waste Water Treatment Directive.

Not Reported 193,689 Medium

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, TREBORTH BANGOR STW has the highest designed capacity at 1 m3/day.

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