
Dŵr Cymru Welsh Water is a company that's been around since 1989, when it was formed by the privatization of the previous water and sewerage companies in Wales.
Dŵr Cymru Welsh Water is owned by Glas Cymru, a not-for-profit company that ensures the company's profits are reinvested into the business and the community.
The company's main goal is to provide high-quality water and sewerage services to its customers in Wales, with a focus on sustainability and environmental protection.
Dŵr Cymru Welsh Water serves over 1.2 million households and businesses across Wales, which is about 75% of the country's population.
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Business and Operations
Dŵr Cymru Welsh Water is a significant company in Wales, employing over 3,500 people and valuing its asset base at more than £26 billion.
Its asset base includes maintaining over 26,500 km of water mains and over 36,000 km of sewers, which is a massive undertaking that requires a lot of resources and expertise.
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The company also manages over 830 wastewater treatment works and looks after 92 reservoirs, making it a crucial part of the water industry in Wales.
Here's a breakdown of the company's asset base:
- Maintaining over 26,500 km of water mains
- Over 36,000 km of sewers
- Managing over 830 wastewater treatment works
- Analysing more than 600,000 tests a year sampling drinking water
- Looking after 92 reservoirs
Business
Welsh Water is a significant player in the UK water industry, employing over 3,500 people and having an asset base valued at more than £26 billion.
Its operations are extensive, with a network of over 26,500 km of water mains, 36,000 km of sewers, and 92 reservoirs to maintain.
The company is responsible for managing over 830 wastewater treatment works, which is a crucial part of keeping our water supply clean and safe.
Welsh Water also conducts over 600,000 tests a year to sample drinking water, ensuring it meets the highest standards.
Here are some key statistics about Welsh Water's operations:
- Maintaining over 26,500 km of water mains
- Over 36,000 km of sewers
- Managing over 830 wastewater treatment works
- Analysing more than 600,000 tests a year sampling drinking water
- Looking after 92 reservoirs
Customer Payment Amount
Welsh Water customers can expect to pay an average of £499 per year for their water, which is the second highest in Wales and England.
The company's new plan, announced in February, adds £14 to the annual bill.
84% of customers reportedly found the new plan "acceptable" according to Welsh Water's research.
Welsh Water describes itself as unique in the water and sewage sector.
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Regulatory and Challenges
Dŵr Cymru Welsh Water has faced a significant regulatory intervention, ordered to pay £40m to benefit its customers in March 2024, after being found to have misled customers and regulators on its performance on leakage and per capita consumption.
This fine is a clear indication that Welsh Water is being held accountable for its actions, and it's essential for the company to take responsibility for its mistakes.
The company's new business plan aims to tackle river pollution, which will likely result in increased bills for customers, with a possible rise of £120 a year by 2030.
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£40m Regulatory Intervention
In March 2024, the water industry's economic regulator Ofwat ordered Welsh Water to pay £40m to benefit its customers.
This significant regulatory intervention was a result of the firm's misrepresentation of its performance on leakage and per capita consumption.
Welsh Water was found to have misled customers and regulators, leading to the hefty fine.
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Only Company to Release Sewage

Welsh Water is not the only company releasing sewage, as three of the biggest water companies in the UK are suspected of discharging sewage into the country's waterways on dry days in breach of their permits.
The Environment Agency is conducting a criminal investigation into potentially illegal discharges by all water companies in England.
The UK's environment watchdog suspects that the government and water regulators may have broken the law over how they regulate sewage releases.
This investigation is a significant step towards addressing the issue of sewage discharges in the UK's waterways.
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Services and Coverage
Dŵr Cymru Welsh Water operates across a significant portion of Wales, covering areas from the River Dee and River Clwyd in the north to the River Usk and River Wye in the south, and everything to the west of these catchments.
Their coverage includes part of the Wirral and Cheshire, as well as parts of Gloucestershire and Herefordshire, particularly Hereford.
They exclude areas supplied by private water utilities like Hafren Dyfrdwy, which operates in the River Dee catchment supplying parts of north east and mid Wales, and areas drained by the River Severn, which are currently served by Hafren Dyfrdwy.
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What Else Do They Do?

Welsh Water is not just a provider of essential services, but also a significant employer in Wales, ranking as the fourth largest in the country.
They have a workforce of 3,000 people, who are involved in various activities, including maintaining a massive network of water mains and sewers.
One of the notable achievements of Welsh Water is the completion of a £1.5bn investment programme launched in 2010, which aimed to upgrade their infrastructure.
The company is responsible for maintaining 26,500km of water mains and over 30,000 km of sewers, which is a massive undertaking.
They also have a team that analyses 600,000 samples of drinking water every year, ensuring that the water supplied to customers is safe to drink.
In addition to their water treatment facilities, Welsh Water looks after 92 reservoirs, which provide a reliable source of water for the region.
Coverage
Dŵr Cymru, the main water supplier in Wales, operates across the country from the River Dee in the north to the River Usk and River Wye in the south, and everything to the west of these catchments.

It provides services to parts of the Wirral and Cheshire, as well as parts of Gloucestershire and Herefordshire, particularly Hereford.
The company excludes areas supplied by private water utilities, such as Hafren Dyfrdwy, which operates in the River Dee catchment and supplies parts of north east and mid Wales.
Dŵr Cymru also excludes areas drained by the River Severn, which are currently served by Hafren Dyfrdwy following a takeover by Severn Trent plc.
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Reservoirs and Attractions
Dŵr Cymru Welsh Water owns more than 90 dams and reservoirs across its areas of operation, offering a range of visitor attractions and recreational activities.
Many of these reservoirs provide access to the surrounding land, as well as visitor centres, leisure facilities, walking routes, and cafes. For example, the Elan Valley Reservoirs in Mid Wales offer a unique opportunity to explore the beautiful Welsh countryside.
Some of the flagship visitor attraction sites include the Elan Valley Reservoirs, Llandegfedd Reservoir, Llyn Brenig, Llys y Fran, Llanishen Reservoir and Lisvane Reservoir, Wenault Reservoir, and Ynys-y-fro Reservoir.
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Attractions and Reservoirs

Welsh Water owns a vast network of dams and reservoirs across its areas of operation, with over 90 in total.
Many of these reservoirs have been developed into visitor attractions, offering a range of facilities and activities.
Elan Valley Reservoirs in Mid Wales is one of the flagship sites, providing access to the reservoir and surrounding land, as well as visitor centres, leisure facilities, walking routes, and cafes.
Llandegfedd Reservoir, near Pontypool, is another popular destination, with its own visitor centre and range of activities.
There are six main visitor attraction sites in total, each offering a unique experience.
Here are the main visitor attraction sites:
- Elan Valley Reservoirs, in Mid Wales
- Llandegfedd Reservoir, near Pontypool
- Llyn Brenig, in Cerrigydrudion, Conwy
- Llys y Fran, on the southern slopes of the Preseli Mountains in Pembrokeshire
- Llanishen Reservoir and Lisvane Reservoir, Wenault Reservoir, Cardiff
- Ynys-y-fro Reservoir , in Rogerstone
Reservoirs They Own
Welsh Water owns an impressive 91 reservoirs across Wales, which is no surprise given the country's mountainous terrain and abundant rainfall.
These reservoirs provide a range of recreational activities, including fishing and boating, and attract over one million visitors each year.
Some of the most notable reservoirs owned by Welsh Water include Elan Valley Reservoirs in Mid Wales and Llandegfedd Reservoir near Pontypool.
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In addition to these popular attractions, Welsh Water also manages the largest group of still water trout fisheries in the UK.
Here are some of the reservoirs owned by Welsh Water:
- Elan Valley Reservoirs, in Mid Wales
- Llandegfedd Reservoir, near Pontypool
- Llyn Brenig, in Cerrigydrudion, Conwy
- Llys y Fran, on the southern slopes of the Preseli Mountains in Pembrokeshire
- Llanishen Reservoir and Lisvane Reservoir, Wenault Reservoir, Cardiff
- Ynys-y-fro Reservoir, in Rogerstone
Controversies
Dŵr Cymru Welsh Water has faced controversy over the years. One notable issue is the company's handling of water leaks, with some reports suggesting that the company has a higher rate of unexplained leaks compared to other water companies.
The company has been criticized for its lack of transparency in reporting water quality issues. In fact, a recent investigation found that Dŵr Cymru Welsh Water was one of the worst performers in the UK for reporting water quality incidents.
A significant controversy surrounds the company's decision to increase water bills for customers. In 2020, the company announced a 10% increase in water bills, citing increased costs and a need for investment in the water network.
Some customers have expressed frustration with the company's customer service, citing long wait times and unhelpful staff. In one instance, a customer reported waiting over an hour on the phone before being able to speak to someone.
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Leadership and Management
As a company that serves over 3 million customers across Wales and England, Dŵr Cymru Welsh Water's leadership and management team plays a crucial role in delivering high-quality water and wastewater services.
They have a strong focus on customer service, with a dedicated team working to ensure that customers receive the best possible service.
Their leadership team is made up of experienced professionals who have a deep understanding of the industry and the needs of their customers.
The company's commitment to customer service is reflected in its customer satisfaction ratings, which are consistently high.
Dŵr Cymru Welsh Water's leadership team is also focused on innovation and efficiency, with a goal of reducing costs and improving services.
The company has implemented various initiatives to reduce its environmental impact, including reducing water leakage and improving wastewater treatment.
Their leadership team works closely with local communities to understand their needs and develop solutions that benefit both the company and the community.
Dŵr Cymru Welsh Water's management structure is designed to be flexible and responsive to changing customer needs.
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