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Anglian Water

By geographical area, Anglian Water is the largest water and wastewater company in England and Wales, stretching from the Humber to the Thames estuary, and then from Buckinghamshire to Lowestoft on the east coast - an area in excess of 27,500 square km.

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.

Anglian Water Phosphorus Removal Programme (2025)

Anglian Water’s £338m investment across 170 sites throughout AMP7 to mitigate the release of phosphates into the environment

Anglian Water Storm Tank Programme (2025)

Anglian Water’s £96m investment across 112 sites to increase capacity and manage stormwater surges during extreme weather events

Duston Mill Pumping Station Intake (2025)

Complying with the Eels (England and Wales) Regulations 2009 at the raw water intake for Pitsford WTW

Holywell Row Stormwater Storage (2025)

Five interconnected rows of Weholite pipe designed to capture stormwater before gradually release it back to a pumping station when conditions stabilise

Sprowston Blue Boar Lane Rising Main (2025)

Rehabilitation project addresses critical operational challenges while minimising environmental and community impacts

Towcester WRC (2025)

Addressing issues with storage capacity, flow capacity, phosphorus levels & growth requirements, to maintain the high standard that Anglian Water aspire to achieve

Broadholme WRC (2024)

£35m investment in improving phosphorus removal capabilities and increasing full flow to treatment in north Northamptonshire

Cotton Valley WRC (2024)

£17m investment project spanning multiple phases to address operational challenges & enhance treatment capacity to maintain regulatory compliance

Grays Sewer Rehabilitation (2024)

CIPP relining of 840m of large diameter pipe following a proactive CCTV survey that revealed hydrogen sulphide damage

Ise Valley Sewer Rehabilitation (2024)

Temporary overpumping solution facilitates CIPP re-lining using ultraviolet and water cure techniques

Sleaford WRC (2024)

Utilising micro-organisms to break down, digest and clean wastewater, this nature-based reed bed solution reduces the need for chemical dosing

Toplers Hill Water Tower (2024)

Refurbishment of a 90-year-old potable water storage tank in Bedfordshire without compromising water quality

Anglian Water's Strategic Pipeline Alliance: Norwich to Wymondham Pipeline (2023)

Anglian Water’s Strategic Pipeline Alliance (SPA) is delivering one of the largest infrastructure projects in AMP7; a new water main network, hundreds of kilometres long, which will allow Anglian Water to move water around the region from areas of surplus to areas of deficit, future-proofing supply to customers. The network is being constructed in 11 […]

Potters Way Sewer Rehabilitation (2023)

Potters Way, located in the Fengate area of Peterborough, is a recent housing development next to the A1139. The development was built on the grounds of the former Fengate Water Recycling Centre (WRC) which closed in 1988 following the construction of the Flag Fen WRC. In early December 2018, Anglian Water became aware of the […]

Anglian Water’s Strategic Pipeline Alliance (2022)

While the east of England is attracting people like no other part of the UK, it is also the driest area of the country – a threat to its success that Anglian Water is determined to overcome. The Strategic Pipeline Alliance (SPA) comprises, Farrans, Mott MacDonald Bentley, Costain and Jacobs, who are delivering one of […]

Wing WTW (2022)

Wing WTW is part of the Anglian Water network, located in the county of Rutland in the East Midlands. The treatment site originally opened in 1977 and was then expanded to include a granular activated carbon (GAC) system in 1989. Morcott WTW, which was commissioned in 2010, is adjacent to Wing with a combined area […]

Heigham WTW (2021)

Heigham Water Treatment Works (WTW) has supplied clean water to the City of Norwich for more than 100 years. The treatment works supplied an average 42 Ml/d of water into the Norwich Public Water Supply Zone serving a population in excess of 200,000. The £36m scheme was the largest capital investment project within Anglian Water’s […]

Ludham Licence Reinvestment (2021)

Ludham WTW supplied 2.1 million litres a day (MLD) of treated water to 2,464 properties in Ludham and Martham whilst originally being fed by Ludham boreholes, with emergency supply coming from East Ruston boreholes. This £7.6m scheme addressed area growth and abstraction licence challenges by combining different schemes to deliver an efficient solution for customers […]

Whitlingham Water Recycling Centre (2021)

Investment in Whitlingham WRC was identified by Anglian Water to ensure that the site remains resilient for Norwich’s growing population and support the environment of the River Yare; part of the Norfolk Broads. A full review of the existing assets and support to carry out on-site testing to understand the process limitations, identified potential opportunities […]

Marston Water Recycling Centre (2020)

Marston Water Recycling Centre (WRC), near Grantham, serves a population of approximately 63,500 from Marston and the surrounding areas, with a capacity to treat up to 392 l/s of wastewater. The projected population growth in the area is approximately 76,000 until 2031, with the significant proportion of this growth estimated to occur by 2022. Following […]

Ingoldisthorpe Water Recycling Centre (2019)

Ingoldisthorpe WRC was identified by the EA under ‘no deterioration’ as requiring additional measures in order to address the tightening of ammonia and phosphorus levels (1mg/l NH3-N and 4.5mg/l P) in order to sufficiently treat all required flow, meet discharge consents and maintain the quality of the receiving water bodies. The existing works serves a […]

Chalton WRC (2018)

Chalton Water Recycling Centre Water Recycling Centre (WRC) receives influent from the north parts of Luton with an average flow of 240 l/s and a population equivalent of 89,000. The plant has to treat all flows with no storm overflow. The existing works is fed under gravity by three inverted siphons and has seen peak […]

Dalton Piercy WTW (2018)

Dalton Piercy Water Treatment Works (WTW) supplies an average demand of 32 Ml/d to ~45,000 properties and significant industrial customers in Hartlepool. The current site process includes UV disinfection, sodium hypochlorite dosing and orthophosphoric acid dosing. This article describes how Anglian Water’s @one Alliance successfully applied product-based delivery principles to the Dalton Piercy Manganese and […]

Great Dunmow Water Recycling Centre (2018)

Great Dunmow Water Recycling Centre (WRC) is located a few kilometres to the east of Stansted Airport in Essex and serves a population of approximately 10,000 people. Due to ongoing capacity limitations and operational issues in the existing works, Anglian Water elected to construct a new treatment plant on the site to serve the current […]

Stanbridgeford STW (2018)

Stanbridgeford Sewage Treatment Works (STW), lies approximately one mile south of the village of Stanbridge in Bedfordshire and as of 2016, the population equivalent (PE) of the works was 15,305 and the domestic population served was 15,051. The treatment works discharge into the adjacent Ouzel Brook, a tributary of the River Great Ouse. Regulations from […]

Heigham WTW (2017)

Heigham Water Treatment Works (WTW) is the main supply of water to Norwich and supplies an average of 42Ml/d of water sourced from the River Wensum at several locations. Potable water is pumped into the Norwich Public Water Supply Zone feeding a multitude of storage reservoirs, booster pumps and properties. The main raw water abstraction […]

Glentworth Water Recycling Centre (2016)

The village of Glentworth is approximately 10 miles north of the city of Lincoln and one mile south-west of Caenby Corner. The water recycling centre (WRC) is located near the village in the West Lindsey district of Lincolnshire, and falls under the control of Anglian Water. Glentworth WRC serves a catchment area of 1250 PE […]

Grafham WTW Resilience (2016)

Grafham WTW is located near Huntingdon and serves a population of 829,000, including Northampton, Huntingdon and Bedford. It is estimated that approximately 614,000 of these would be affected by a major outage at Grafham WTW. As part of Anglian Water’s AMP5 Final Business Plan programme, the Grafham WTW Resilience scheme was identified to mitigate the […]

Colchester Advanced Digestion Project (2014)

Advancing the frontiers of enhanced digestion treatment

Elsham WTW (2013)

Upgrade to increase output and improve performance of non-potable WTW

Covenham to Boston Pipeline (2012)

Investing in a secure and futureproof water supply

Norfolk Broads - Phosphate Removal (2012)

Using sand filters to control the principle source of eutrophication throughout the Norfolk Broads

Anglian Water AMP5 Biosolids Special Projects (2011)

Further enhancement of sludge treatment capacity to maximize renewable energy

Catchment Management Tools (2011)

Predicting the impact of changing catchment management practices in the Anglian region

Chelmsford WwTW (2010)

New aeration lane to increase overall capacity

Whitlingham & Great Billing Sludge Treatment Centres (2010)

Anglian Water’s AMP4 Biosolids Programme: a story of integration, innovation and challenge

Wing Water Supply (2010)

For growth in South and East Midlands

Basildon WwTW (2009)

Increased efficiency aeration from improved design

Fring WTW (2009)

Nitrate reduction project

Great Yarmouth FAS (2009)

Great Yarmouth Flooding Alleviation Project

Irby to Caistor Top Reservoir Main (2009)

A strategic supply/demand scheme

Colney & Yare Valley - Little Melton WTW & Pipeline (2008)

Installation of new water process plant and extensive main laying

Cotton Valley STW (2008)

Innovative refurbishment

Kings Lynn & Cotton Valley Sludge Treatment Centres (2008)

Programme enhanced through integration

Stoke Ferry to Downham Market Infrastructure (2008)

Stoke Ferry to Downham Market & Beck Row to High Fliers 18” reinforcement

Wighton Nitrate Removal (2008)

Installation of new nitrate treatment plant

Flag Fen WwTW (2006)

Upgrade to meet the future

Lyng Forge WTW (2006)

A £1.8m quality compliance project

Nitreat at Water Treatment Plants (2006)

Nitrate removal plants being installed at six Anglian WTWs

Rendlesham STW (2006)

Bio bubble – Secondary Treatment Works Improvements

Weelsby WTW (2006)

Includes development of three new on-site boreholes

Whittlesey & Chatteris STWs (2005)

Quality programme and Capital Maintenance Schemes

Wrentham WwTW (2005)

New Bio-Bubble SBR plant to meet higher consent standards

Anglian Water Sludge Strategy (2004)

Upgrading to meet BioSolids regulations

Melbourn WwTW (2004)

Bio-Bubble SBR – secondary treatment works improvements

Upwell & Outwell Vacuum Sewerage System (2004)

£13.88m vacuum sewerage system for two parishes

Sculthorpe WwTW (2003)

Bio-Bubble SBR – provides full secondary treatment for all flows

Broughton WwTW (2002)

Anglian Water install Bio Bubble SBR plant

Cromer WwTW (2002)

Meeting requirements for secondary treatment

Manton Lane Reservoir (2002)

Anglain’s new service reservoir for Bedford