Welsh Water Communities
At Welsh Water, we are grounded in our communities, committed to our customers, and delivering the very best service we can. We will always put Wales, its communities and customers first.
As part of the AMP 8 2025-2030 Plan we are committed to ensuring that we are transparent with the improvements we are making over the next five years and beyond.
With a bigger investment programme than we have ever had before, we will be very visible in local communities, so we want our customers to know what’s happening around them, the projects we are embarking on and the investment and improvements we are making.
This section of the website will build over the next five years as projects come to life. Click on your community and see what’s happening in your local area.
- Sewerage region boundary
- Water region boundary
Welsh Water plans to invest £4 billion over the next 5 years (2025-2030), a 68% increase compared to the previous 5 years. This investment includes a record £2.5 billion dedicated to protecting and improving the environment. The investment plan also focuses on improving drinking water compliance and reducing customer complaints about water quality.
Select a location to find out what is happening in your area.
Anglesey has an area of 275 square miles and a population of approximately 69,049. The largest town on the island is Holyhead, which is also a major ferry port for Dublin, Ireland. The coastline of Anglesey is approximately 124 miles long.
As a business, Welsh Water has 29 wastewater treatment works and 2 water treatment works, as well as 638km of sewers and 1,006km water pipes to serve this county.
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Protecting and improving the environmentOver the next 5 years we will be investing in a number of our wastewater treatment works and storm overflows in Anglesey to help protect the local environment and help improve the water quality of various rivers in the area.
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High Quality Water SupplyAs a company we have committed to build resilience in our water network and to invest over £66 million to protect and replace our pipes to help avoid bursts and disruption to customers water supply.
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Previous Investment Period 2020-2025During the last 5 years we’ve carried out improvement work on several projects to improve the local environment and build resilience in our clean and waste network.
Click below for more information of the work carried out in Anglesey.
Blaenau Gwent is located in the south-eastern valleys of Wales and covers approximately 42 square miles, with a population of around 67,000. The main rivers which flow through Blaenau Gwent include the Ebbw River, Ebbw Fach River and Sirhowy River.
As a business, Welsh Water has 4 wastewater treatment works and 3 water treatment works, as well as 609km of sewers and 477km water pipes to serve this county.
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Protecting and improving the environment
Over the next 5 years we will be investing in a number of our wastewater treatment works and storm overflows in Blaenau Gwent to help protect the local environment and help improve the water quality of a number of rivers.
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High Quality Water Supply
As a company we have committed to build resilience in our water network and to invest over £66 million to protect and replace our pipes to avoid bursts and disruption to customers’ wate supply.
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Previous Investment Period 2020-2025
During the last 5 years we’ve carried out improvement work on several projects to improve the local environment and build resilience in our clean and waste network.
Some examples for Blaenau Gwent are linked below.
Positioned in the heart of south Wales, the county of Bridgend has a population of almost 140,000 people. It is situated on the River Ogmore and is home to the grade-II listed Bryngarw Country Park and Kenfig Nature Reserve.
As a company, Welsh Water has 5 wastewater treatment works located across Bridgend, as well as 1,165km of sewers and 894km water pipes to serve this county.
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Protecting and improving the environment
Over the next 5 years, our investment in the Bridgend area will be focused on reducing our impact on the local environment by making improvements to key wastewater treatment works like Pen y Bont, which will help to improve the water quality of local watercourses.
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High Quality Water Supply
Over the next 5 years we’ll be investing to upgrade our water network to improve the services we provide.
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Previous Investment Period 2020-2025
During our previous investment period (2020-25), our investments focused on improving supply resilience and protecting the environment.
Click below for more information of the work carried out in Bridgend.
Caerphilly is located in south Wales and covers approximately 107 square miles, with a population of around 176,000. The main rivers which flow through Caerphilly are the River Rhymney, Ebbw River and Sirhowy River.
As a business, Welsh Water has 1 wastewater treatment works, as well as 1513km of sewers and 1072km water pipes to serve this county.
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Protecting and improving the environment
Over the next 5 years we will be investing in a number of our wastewater treatment works and storm overflows in Caerphilly to help protect the local environment and help improve the water quality of a number of rivers.
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High Quality Water Supply
As a company we have committed to build resilience in our water network and to invest over £66 million to protect and replace our pipes to avoid bursts and disruption to customers’ waste supply.
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Previous Investment Period 2020-2025
During the last 5 years we’ve carried out improvement work on several projects to improve the local environment and build resilience in our clean and waste network.
Click below for more information of the work carried out in Caerphilly.
Cardiff in the south of Wales covers approximately 54 square miles, with a population of around 495,000. There are several rivers which flow through Cardiff, including the River Taff which flows through the city centre and into Cardiff Bay, and the River Ely which flows southeast from Tonyrefail through western Cardiff into the Bristol Channel.
As a business, Welsh Water has 6 wastewater treatment works, as well as 2276km of sewers and 1533km water pipes to serve this county.
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Protecting and improving the environment
Over the next 5 years we will be investing in a number of our wastewater treatment works and storm overflows in Cardiff to help protect the local environment and help improve the water quality of a number of rivers.
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High Quality Water Supply
As a company we have committed to build resilience in our water network and to invest over £66 million to protect and replace our pipes to avoid bursts and disruption to customers’ waste supply.
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Previous Investment Period 2020-2025
During the last 5 years we’ve carried out improvement work on several projects to improve the local environment and build resilience in our clean and waste network.
Click below for more information of the work carried out in Cardiff.
Known as the ‘Garden of Wales’, Carmarthenshire is located in south west Wales and has a population of over 187,000.
As a company, Welsh Water has 78 wastewater treatment works and 3 water treatment works located across Carmarthenshire, as well as 1,482km of sewers and 2,678km water pipes to serve this county.
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Protecting and improving the environment
Over the next 5 years, our investment in the Carmarthenshire area will be focused on reducing our impact on the local environment by making improvements to storm overflows, which in turn will help to boost the water quality of local watercourses.
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High Quality Water Supply
Over the next 5 years we’ll be investing £11.9 million to upgrade our water pipes in the Bryngwyn drinking water zone to improve the services we provide.
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Previous Investment Period 2020-2025
During our previous investment period (2020-25), our investments focused on improving resilience in our clean and waste network and protecting the environment.
Click below for more information of the work carried out in Carmarthenshire.
Located in west Wales, Ceredigion is home to over 72,000 people, with 50 miles of coastline and the Afon Teifi SAC.
As a business, Welsh Water has 47 wastewater treatment works and 4 water treatment works, as well as 484km of sewers and 1,564km water pipes to serve this county.
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Protecting and improving the environment
We are currently upgrading the Cardigan Wastewater Treatment Works, with an investment of £20 million, to protect the Afon Teifi. This initiative aims to mitigate our environmental impact and enhance the water quality of the Afon Teifi SAC river.
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High Quality Water Supply
We’re investing £5.6 million to upgrade almost 25km of water pipes in our Llechryd drinking water zone, this will ensure a safe reliable drinking water for customers in the local area.
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Previous Investment Period 2020-2025
During our previous investment period (2020-25), our investments focused on improving infrastructure and water supply as well as building resilience in our water and wastewater network.
Click below for more information of the work carried out in Ceredigion.
Cheshire West and Chester covers an area of approximately 916.7 square kilometres and has a population of 357,150. The River Dee flows through the centre of Chester city.
Welsh Water provides a waste service for Chester city and towns and villages along the Welsh border. In the county we have 16 wastewater treatment works and 889 km of sewers which serve parts of the county, as well as one water treatment works that provides water for industry in Chester city.
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Protecting and improving the environment
Over the next 5 years we will be investing in a number of our wastewater treatment works and storm overflows in Cheshire West and Chester to help protect the local environment and help improve the water quality of the River Dee.
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Previous Investment Period 2020-2025
During the last 5 years we’ve carried out improvement work on a several projects to improve the local environment and build resilience in our waste network.
Click below for more information of the work carried out in Cheshire West and Chester.
Conwy has an area of 435 square miles and a population of 114,290. Conwy County has a coastline of approximately 45 miles extending from Kinmel Bay in the east to Llanfairfechan in the west.
As a business, Welsh Water has 46 wastewater treatment works and 4 water treatment works, as well as 979 km of sewers and 1,378km water pipes to serve this county.
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Protecting and improving the environment
Over the next 5 years we will be investing in a number of our wastewater treatment works and storm overflows in Conwy to help protect the local environment and help improve the water quality of various rivers in the area.
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High Quality Water Supply
As a company we have committed to build resilience in our water network and to invest over £66 million to protect and replace our pipes to avoid bursts and disruption to customers’ water supply.
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Previous Investment Period 2020-2025
During the last 5 years we’ve carried out improvement work on a several projects to improve the local environment and build resilience in our clean and waste network.
Click below for more information of the work carried out in Conwy.
Denbighshire county has an area of 326 square miles and a population of approximately 95,800. Its coastline is approximately 30 miles and stretches along the north of the county. This coastal area includes popular seaside towns such as Rhyl and Prestatyn, which attract many visitors, especially during the summer months.
Welsh Water operates 52 wastewater treatment works, including one full-time and one seasonal facility. They manage 695 km of sewers and 992 km of water pipes to serve the county.
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Protecting and improving the environment
Over the next 5 years we will be investing in a number of our wastewater treatment works and storm overflows in Denbighshire to help protect the local environment and help improve the water quality of various rivers in the area.
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High Quality Water Supply
As a company we have committed to build resilience in our water network and to invest over £66 million to protect and replace our pipes to avoid bursts and disruption to customers’ water supply.
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Previous Investment Period 2020-2025
During the last 5 years we’ve carried out improvement work on a several projects to improve the local environment and build resilience in our clean and waste network.
Some examples for Denbighshire are linked below.
Flintshire in the North East of Wales covers 169 square miles, with a population of 155,000. The Dee Estuary flows along the North East side while the South West of the county forms part of the Clwydian Range and Dee Valley Area of Natural Beauty.
As a business, Welsh Water has 23 wastewater treatment works. 1 water treatment works, as well as 1291km of sewers and 1063km of water pipes to serve this county.
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Protecting and improving the environment
Over the next 5 years, we will be investing in several wastewater treatment works and storm overflows in Flintshire to safeguard the local environment and improve the water quality of various rivers in the area.
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High Quality Water Supply
As a company we have committed to build resilience in our water network and to invest over £66 million to protect and replace our pipes to avoid bursts and disruption to customers’ water supply.
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Previous Investment Period 2020-2025
During the last 5 years we’ve carried out improvement work on a several projects to improve the local environment and build resilience in our clean and waste network.
Click below for more information of the work carried out in Flintshire.
Welsh Water operates 160km of sewer pipes and manages a 97km² wastewater operating area, reflecting our dedication to providing reliable, high-quality service to every community.
Gwynedd is the second largest county in Wales covering an area of 979 square miles with a population of 117,400. Gwynedd has approximately 180 miles of coastline.
As a business, Welsh Water has 131 wastewater treatment works and 15 water treatment works, as well as 1099km of sewers and 1861km water pipes to serve this county.
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Protecting and improving the environment
Over the next 5 years we will be investing in a number of our wastewater treatment works and storm overflows in Gwynedd to help protect the local environment and help improve the water quality of various rivers in the area.
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High Quality Water Supply
As a company we have committed to build resilience in our water network and to invest over £66 million to protect and replace our pipes to avoid bursts and disruption to customers’ waste supply.
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Previous Investment Period 2020-2025
During the last 5 years we’ve carried out improvement work on several projects to improve the local environment and build resilience in our clean and waste network.
Click below for more information of the work carried out in Gwynedd.
Herefordshire is located in the West Midlands of England and covers approximately 842 square miles, with a population of around 187,000. There are many notable rivers which flow through Herefordshire, including the River Wye which is one of the UK’s longest river at 135 miles long. It flows through Hereford and Ross-on-Wye and is known for its scenic beauty and importance to local ecosystems.
As a business, Welsh Water has 86 wastewater treatment works and 5 water treatment works, as well as 980km of sewers and 2527km water pipes to serve this county.
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Protecting and improving the environment
Over the next 5 years we will be investing in a number of our wastewater treatment works and storm overflows in Herefordshire to help protect the local environment and help improve the water quality of a number of rivers.
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High Quality Water Supply
As a company we have committed to build resilience in our water network and to invest over £66 million to protect and replace our pipes to avoid bursts and disruption to customers’ waste supply.
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AMP 7 Investment period 2020-2025
During the last 5 years we’ve carried out improvement work on several projects to improve the local environment and build resilience in our clean and waste network.
Some examples for Herefordshire are linked below.
Merthyr Tydfil is located in the South Wales Valleys and covers approximately 43 square miles, with a population of around 58,000. There are several rivers which flow through Merthyr Tydfil, including the River Taff which is just north of Merthyr Tydfil and flows through the borough before continuing to Cardiff Bay.
As a business, Welsh Water has 3 wastewater treatment works and 2 water treatment works, as well as 463km of sewers and 466km water pipes to serve this county.
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Protecting and improving the environment
Over the next 5 years we will be investing in a number of our wastewater treatment works and storm overflows in Merthyr Tydfil to help protect the local environment and help improve the water quality of a number of rivers.
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High Quality Water Supply
As a company we have committed to build resilience in our water network and to invest over £66 million to protect and replace our pipes to avoid bursts and disruption to customers’ waste supply.
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AMP 7 Investment period 2020-2025
During the last 5 years we’ve carried out improvement work on several projects to improve the local environment and build resilience in our clean and waste network.
Click below for more information of the work carried out in Merthyr Tydfil.
Monmouthshire in the south east corner of Wales covers approximately 328 square miles, with a population of 93,000. There are several rivers which flow through Monmouthshire. This includes the River Wye (which forms part of the border between England and Wales and flows through Monmouth), and the River Usk (which runs through Abergavenny and Usk, and eventually reaches Newport and the Severn Estuary).
As a business, Welsh Water has 38 wastewater treatment works and 3 water treatment works, as well as 745km of sewers and 1187km of water pipes to serve this county.
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Protecting and improving the environment
Over the next 5 years we will be investing in a number of our wastewater treatment works and storm overflows in Monmouthshire to help protect the local environment and help improve the water quality of a number of rivers.
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High Quality Water Supply
As a company we have committed to build resilience in our water network and to invest over £66 million to protect and replace our pipes to avoid bursts and disruption to customers’ waste supply.
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Previous Investment Period 2020-2025
During the last 5 years we’ve carried out improvement work on several projects to improve the local environment and build resilience in our clean and waste network.
Some examples for Monmouthshire are linked below.
Located in south west Wales, Neath Port Talbot is home to over 141,000 people and is known for its industrial heritage and diverse landscape.
As a company, Welsh Water has 8 wastewater treatment works located across Neath Port Talbot, as well as 1,011km of sewers and 964km water pipes to serve this county. Water for the area is supplied from a water treatment works in Powys.
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Protecting and improving the environment
Over the next 5 years, our investment in the Neath Port Talbot area will be focused on reducing our impact on the local environment. We will upgrade wastewater treatment works in the area and make improvements to storm overflows, which in turn will help to boost the water quality of local watercourses.
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High Quality Water Supply
Over the next 5 years, we’ll be investing £8.2 million to futureproof Cwmwernderi Reservoir helping to protect water supply resilience in the area.
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Previous Investment Period 2020-2025
During our previous investment period (2020-25), our investments were focused on improving supply resilience and protecting the environment.
Click below for more information of the work carried out in Neath Port Talbot.
Although the customer base in this region is relatively small, Welsh Water operates 75km of sewer pipes and manages a 13 km² wastewater operating area, demonstrating our commitment to delivering a high-quality service to every community we serve, regardless of size.
Newport is located in south east Wales and covers approximately 73 square miles, with a population of around 159,000. There are several rivers which flow through Newport, including the River Usk which flows through the city centre and into the Severn Estuary.
As a business, Welsh Water has 5 wastewater treatment works and 1 water treatment works, as well as 1138km of sewers and 864km water pipes to serve this county.
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Protecting and improving the environment
Over the next 5 years we will be investing in a number of our wastewater treatment works and storm overflows in Newport. This will help protect the local environment and improve the water quality of a number of rivers.
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High Quality Water Supply
As a company we have committed to build resilience in our water network and to invest over £66 million to protect and replace our pipes to avoid bursts and disruption to customers’ waste supply.
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Previous Investment Period 2020-2025
During the last 5 years we’ve carried out improvement work on several projects to improve the local environment and build resilience in our clean and waste network.
Some examples for Newport are linked below.
Shropshire county has an area of 1,346 square miles and a population of 498,073. Welsh Water provides a wastewater service to customers living in the North West of the county through 124 km of sewers and 8 wastewater treatment works.
Known for its dramatic coastline, Pembrokeshire Coast National Park and the Afon Cleddau SAC, Pembrokeshire is home to over 123,000 people with thousands of visitors flocking to the area every year.
As a business, Welsh Water has 80 wastewater treatment works and 2 water treatment works, as well as 904km of sewers and 2,259km water pipes to serve this county.
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Protecting and improving the environment
We are currently upgrading Rosemarket Wastewater Treatment Works with a £4 million investment to protect the Afon Cleddau and improve SAC river water quality.
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High Quality Water Supply
We are investing £3.1 million to upgrade almost 15km of water pipes in the Star area to improve water quality and build resilience in our water network for the local community.
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Previous Investment Period 2020-2025
During our previous investment period (2020-25), our investments focused on improving supply resilience and protecting the water quality of the Afon Cleddau.
Click below for more information of the work carried out in Pembrokeshire.
Powys is the largest county in Wales, spanning 2,000 square miles and is characterised by its vast, rural landscape, which is home to over 133,000 people. The area is known for being home to Bannau Brycheiniog National Park (Brecon Beacons) and Elan Valley Reservoirs, and it has several major rivers flowing through it, including the Wye, Severn, Usk, and Lugg.
As a company, Welsh Water has 89 wastewater treatment works and 9 water treatment works located across Powys, as well as 530km of sewers and 1,452km water pipes to serve this county.
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Protecting and improving the environment
Over the next 5 years, our investment in the Powys area will be focused on reducing our impact on the local environment by continuing to upgrade wastewater treatment works in the area and making improvements to some of our storm overflows which will help to boost the water quality of the rivers Usk and Wye.
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High Quality Water Supply
Over the next 5 years, we’ll be investing in futureproofing the resilience of our water supply by improving a number of reservoirs in the area, such as Usk Reservoir and Craig Goch dam in the Elan Valley.
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Previous Investment Period 2020-2025
During our previous investment period (2020-25), our investments was focused on improving supply resilience and protecting the environment.
Click below for more information of the work carried out in Powys.
The Rhondda Cynon Taff in the south of Wales covers approximately 164 square miles, with a population of over 237,000. The main river which flows through the Rhondda Cynon Taff is the River Taff, which is formed by the confluence of the Taf Fawr and Taf Fechan in the Brecon Beacons. It passes through Pontypridd and continues to Cardiff Bay.
As a business, Welsh Water has 5 wastewater treatment works and 3 water treatment works, as well as 1573km of sewers and 1401km water pipes to serve this county.
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Protecting and improving the environment
Over the next 5 years we will be investing in a number of our wastewater treatment works and storm overflows in the Rhondda Cynon Taff. This will help protect the local environment and improve the water quality of a number of rivers.
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High Quality Water Supply
As a company we have committed to build resilience in our water network and to invest over £66 million to protect and replace our pipes to avoid bursts and disruption to customers’ waste supply.
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Previous Investment Period 2020-2025
During the last 5 years we’ve carried out improvement work on several projects to improve the local environment and build resilience in our clean and waste network.
Some examples for the Rhondda Cynon Taff are linked below.
Home to the second largest city in Wales and with a population of almost 250,000, the county of Swansea covers 145 square miles and boasts 3 Blue Flag beaches, a Blue Flag marina and the Gower Peninsular coastline.
As a company, Welsh Water has 14 wastewater treatment works and 1 water treatment works located across Swansea, as well as 1,675km of sewers and 1,429km water pipes to serve this county.
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Protecting and improving the environment
Over the next 5 years, our investment in the Swansea area will be focused on reducing our impact on the local environment. We will upgrade wastewater treatment works in the area and make improvements to some of our storm overflows, which will help to boost the water quality of the River Tawe and the Swansea Bay and Gower coastlines.
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High Quality Water Supply
Over the next 5 years, we’ll be investing in our Sketty Gower drinking water network and at Felindre Water Treatment Works. This work will help to improve supply resilience for our customers in the Swansea area.
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Previous Investment Period 2020-2025
During our previous investment period (2020-25), our investments was focused on improving supply resilience and protecting the environment.
Click below for more information of the work carried out in Swansea.
Torfaen is located in south east Wales and covers approximately 49 square miles, with a population of around 95,000. The main river through Torfaen is the Afon Lwyd, which flows from Blaenavon, through Pontypool and Cwmbran, and joins the River Usk at Caerleon.
As a business, Welsh Water has 2 wastewater treatment works, as well as 609km of sewers and 606km water pipes to serve this county.
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Protecting and improving the environment
Over the next 5 years we will be investing in a number of our wastewater treatment works and storm overflows in Torfaen to help protect the local environment and help improve the water quality of a number of rivers.
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High Quality Water Supply
As a company we have committed to build resilience in our water network and to invest over £66 million to protect and replace our pipes to avoid bursts and disruption to customers’ waste supply.
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Previous Investment Period 2020-2025
During the last 5 years we’ve carried out improvement work on several projects to improve the local environment and build resilience in our clean and waste network.
Some examples for Torfaen are linked below.
The Vale of Glamorgan is located in the south of Wales and covers approximately 128 square miles, with a population of around 132,000.
There are several rivers which flow through the Vale of Glamorgan: the River Thaw, which flows through Cowbridge and into the Bristol Channel, the River Ely, which runs from the eastern part of the Vale and into Cardiff Bay, and the River Ogmore, which forms part of the western boundary of the Vale.
As a business, Welsh Water has 16 wastewater treatment works, as well as 984km of sewers and 1020km water pipes to serve this county.
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Protecting and improving the environment
Over the next 5 years we will be investing in a number of our wastewater treatment works and storm overflows in the Vale of Glamorgan to help protect the local environment and help improve the water quality of a number of rivers.
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High Quality Water Supply
As a company we have committed to build resilience in our water network and to invest over £66 million to protect and replace our pipes to avoid bursts and disruption to customers’ waste supply.
-
Previous Investment Period 2020-2025
During the last 5 years we’ve carried out improvement work on several projects to improve the local environment and build resilience in our clean and waste network.
Some examples for the Vale of Glamorgan are linked below.
Although the customer base in this region is relatively small, Welsh Water operates 75km of sewer pipes and manages a 13 km² wastewater operating area, demonstrating our commitment to delivering a high-quality service to every community we serve, regardless of size.
Wrexham county borough has an area of 193 square miles and a population of 136,055.
As a business, we provide wastewater services to our customers in Wrexham. The county has 26 wastewater treatment works and 949km of sewers.
Wrexham is also home to our Five Fords energy park, where wastewater from across north Wales is used to create gas that is fed to the national gas grid, as well as solar panels on site that create electricity.
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Protecting and improving the environment
Over the next 5 years, we will be investing in several wastewater treatment works and storm overflows in Wrexham to safeguard the local environment and improve the water quality of various rivers in the area.
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Previous Investment Period 2020-2025
During the last 5 years we’ve carried out improvement work on a several projects to improve the local environment and build resilience in our waste network.
Click below for more information of the work carried out in Wrexham.