Welsh Water Launches Consultation on Largest Infrastructure Project in Its History
Welsh Water Launches Consultation on Largest Infrastructure Project in Its History
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Dŵr Cymru Welsh Water has begun public consultations on what it describes as the largest infrastructure project in its history — a multi-million pound strategy to modernise South Wales’ drinking water network and secure long-term water supplies for nearly half of its customers.
The Cwm Taf Water Supply Strategy aims to replace century-old treatment facilities, boost clean water storage capacity, and ensure a resilient, sustainable supply of drinking water for generations to come.
Under the proposals, a new water treatment works would be built at Dan-y-Castell Farm in Merthyr Tydfil, close to the A465 Heads of the Valleys Road. The plans also include a new pumping station at Pontsticill, which would replace the existing water treatment works at that site.
Welsh Water is also proposing significant upgrades to the Llwyn Onn Water Treatment Works, enabling the decommissioning of the nearby Cantref facility, originally built in 1926.
The company said the combined projects are essential to meet its legal duty to modernise water treatment processes and maintain water quality standards across the region.
Ian Christie, Managing Director of Water, Asset Planning and Capital Delivery at Dŵr Cymru, said: “We’re facing a critical water security challenge in Wales. Ageing infrastructure can’t meet modern challenges – this strategy is a once in a generation opportunity to change that.
“We must ensure we can continue to provide a safe, reliable supply of drinking water every day of the year to our customer base in the face of climate change, population growth, and ageing infrastructure.
“This is about turning a century-old system into a 21st-century solution. The plans are now open for consultation, and we want to hear your views.
“We’re keen to hear from our customers and the local communities about how we can maximise environmental and community benefits and minimise disruption.”
Two statutory pre-application consultations have now been launched, allowing residents, stakeholders, and customers to review the draft planning documents and share feedback before Welsh Water submits its formal applications to Merthyr Tydfil County Borough Council and the Bannau Brycheiniog National Park Authority.
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