Water Companies

The company provides 900 million litres of water each day to a population of more than 3.5 million people in parts of Bedfordshire, Berkshire, Buckinghamshire, Essex, Hertfordshire, Surrey, the London Boroughs of Harrow and Hillingdon and parts of the London Boroughs of Barnet, Brent, Ealing and Enfield. The company also supplies water to the Tendring […]

The company operates over 1,250 water and wastewater treatment works and has over 112,833 km of water and wastewater pipes, servicing approximately six million domestic and business customers.

In 2015, the company became part of the Pennon Group, owners of South West Water. The company’s aim is to deliver a world-class drinking water supply to our customers, providing excellent water quality and an efficient, long-term secure supply for the Bournemouth area to meet the challenges of global climate change and carbon reduction. .

The company utilises 68 water sources, including 14 raw water reservoirs. Water is distributed via a 6,000km of mains, 164 pumping stations and 139 storage reservoirs. Approximately half the water is taken from the Mendip Hills, particularly Chew Valley Lake, Blagdon Lake, Cheddar Reservoir and Barrow Gurney Reservoirs, with the other half is piped from […]

Boreholes drilled into the chalk strata south of Cambridge provide 97% of the water, while  3% comes from a greensand source to the west which feeds Gamlingay and the surrounding villages. Cambridge Water operates 23 water treatment works that process 73 million litres of water per day, supplying 300,000 people through 2,300km of water mains. […]

The company operates 81 reservoirs, 105 water treatment works and supplies an average 900 million litres of water every day through a network comprising 27,000km of water mains, 532 pumping stations and 715 service reservoirs. DCWW also collects wastewater (including surface water and highway drainage) through a network of 19,000km of sewers, 1,700 sewage pumping […]

It is an Executive Non-departmental Public Body responsible to the Secretary of State for Environment, Food and Rural Affairs and a Welsh Government Sponsored Body responsible to the Minister for Environment and Sustainable Development. The Agency’s principal aims are to protect and improve the environment, and to promote sustainable development and plays a central role […]

The company serves 735,000+ domestic connections and 47,000+ non-household connections in two separate supply areas. The Essex area is part rural and part urban and has a population of 1.5 million. The main areas of population are in Chelmsford, Southend and the London Boroughs of Barking and Dagenham, Havering and Redbridge. In the mainly rural […]

The company has responsibility for 40 facilities including 4 water treatment works, 13 storage reservoirs, 2 service reservoir, 400kms of water main, a wastewater treatment centre; three sea outfalls and many kilometres of foul and surface water sewers.

For the first time, the 35,100 homes and 3,900 businesses in Powys and Monmouthshire who were previously Severn Trent customers joined Dee Valley customers based in Wales to be served by HD. The 49,700 homes who were previously Dee Valley Water customers in England are now served by Severn Trent.

Raw water from 6 storage reservoirs is treated at one of two water treatment works located at Handois and Augres. Once treated, water is transferred to five treated water storage reservoirs located in St Helier, Trinity and St Lawrence. In addition, the company operates a RO desalination plant at La Rosière, which plays a vital […]

Depending on the source and extent of flood risk options range from ‘hard’ engineering measures such as stormwater storage tanks, culverts, flood relief channels, flood walls and embankments, to ‘soft’ engineering measures, known as Natural Flood Management. These Natural Flood Management techniques aim to slow the flow in the upper catchments such as woody debris […]

Water supply: Each year the company collects, treats, stores and distributes over 10,000 million litres of water to over 50,000 connections over an approximate area of 250 square miles. The company operates 2 water treatment works (Douglas and Sulby), 5 impounding reservoirs, 29 service reservoirs, 20 pumping stations and 1,800km of water mains. Wastewater treatment […]

The authority’s primary functions comprise the provision of flood defence and water level management to the Middle Level area, and as navigation authority for the navigable waters of the Middle Level system. The Commissioners have also certain conservation duties to fulfill when undertaking their functions.

NRW’s purpose is to ‘pursue sustainable management of natural resources’ and ‘apply the principles of sustainable management of natural resources’ as stated in the Environment (Wales) Act 2016. Water: NRW are working to ensure that water companies, farmers and industry do not take too much water from the environment through a permitting system, by regulating […]

New appointments and variations (NAVs) are limited companies which provide a water and/or sewerage service to customers in an area which was previously provided by the incumbent monopoly provider.

The company supplies 619 million litres of water every day and treats 134 million cubic metres of wastewater each year. The company operates 40 impounding reservoirs, 44 major water treatment works (65 in total), 490 service reservoirs, 287 water pumping stations and 26,500 km of water mains. The company also owns and operates 1,194 wastewater […]

Covering a combined area of over 12,260 square kilometres, the company operates 29 impounding reservoirs, 57 water treatment works, 359 water pumping stations, 338 water service reservoirs and 25,624 km water mains. In the north-east. NWL provides water and sewerage services to 2.7 million people. Here the company operates 414 sewage treatment works, 731 sewage […]

The company has 21 water sources comprising 1 group of springs, 1 river and 19 borehole sites, which supply 18 water treatment works. The company supplies over 300,000 properties from 18 service reservoirs via 3,266km of mains.

The company is the sole provider of water and waste water services to around 5 million customers in 2.4 million households. Thousands of assets are operated and maintained – over 47,000 kilometres of water pipes, 50,000 kilometres of sewer pipes, 1,837 waste water treatment works and 297 water treatment works plus pumping stations, sludge treatment […]

Treated water is supplied to approximately 655,000 consumers in 280,000 properties. Raw water is extracted from underground resources (85%) and from natural springs and river sources (15%). On average the company supplies 160 million litres of treated water per day, and this can rise to 260 million litres at times of high demand. The company […]

The company operates 181 water treatment works and 1,017 sewage treatment works and has 46,000 km of water mains and 54,000 km of sewers. Every day the company supplies approximately 1,900 million litres of water, and treats around 2,500 million litres of wastewater.

The company draws raw water from more than 250 boreholes, six rivers and six reservoirs, which is treated at one of 93 water treatment works. Once treated, water is distributed throughout the region via a network of more than 14,500 kilometres of mains.

Cities served include Walsall, Sandwell and Dudley, together with areas such as Tamworth, Uttoxeter, Burton, Lichfield, Sutton Coldfield and Cannock. The company supplies 330 million litres of water every day via a 6,000km network of pipes to approximately 500,000 homes and 36,000 business customers. In 2013 SSW acquired Cambridge Water.

Each day the company supplies the region’s 1.67 million residents with over 420 million litres of treated water and disposes of around 235 ML of wastewater through an asset base that comprises 39 water treatment works and 15,146 km of water mains, and 645 wastewater treatment works and 14,710 km of sewers.

Raw water is taken from aquifers (70%), rivers (23%) and from storage reservoirs (7%), and each day the company supplies 576 million litres of drinking water from 95 water treatment works along 13,700 km of water mains. The company also operates a sewer network of more than 39,200 km, and every day the company treats […]

On average, each day the company supplies 2.6 billion litres of drinking water, and removes and treats more than 4 billion litres of sewage. The company operates and maintains 100 water treatment works, 30 raw water reservoirs, 288 pumping station, 235 underground service reservoirs and 32,000 kilometres of mains. For its wastewater services, assets include […]

The company is responsible for the operation of all public water and wastewater services including management of national water and wastewater assets, maintenance of the water and wastewater system, investment and planning, managing capital projects and customer care and billing.

Every day, 2,000 million litres of treated water is distributed through a network of 42,000km of water mains and 1,400km of aqueducts. Raw water is collected and stored at the company’s reservoirs before being treated at one of 96 water treatment works. Wastewater is collected and distributed through a network of 72,000km of sewers and […]

Water Management Alliance is a group of 7 coastal Internal Drainage Boards (IDBs) comprising Broads IDB, East Suffolk WMB, King’s Lynn IDB, Norfolk Rivers IDB, Pevensey & Cuckmere WLMB, South Holland IDB, and Waveney, Lower Yare & Lothingland IDB.

Approximately 284 million litres of water is supplied to 1.3 million people every day from a  network of 97 water sources, 110 water treatment works, 209 pumping stations (used to supply water to customers), 340 service reservoirs and water towers and 11,509 km of water mains. Wastewater services are provided for 2.7 million customers with […]

This is made possible with an asset base of more than 700 water and sewage treatment works, 62,000 miles of water and sewerage mains and 120 reservoirs across Yorkshire.