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Essex & Suffolk Water

Essex & Suffolk Water is part of Northumbrian Water Limited and provides water services to 1.8 million people across an area of 2,861 square kilometers.

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 Suffolk area, the company serves a population of 0.3 million. The largest population centres are in Great Yarmouth and Lowestoft.

Hanningfield WTW - Washwater System (2023)

Located 5 miles south of Chelmsford, Hanningfield Water Treatment Works (WTW) is the largest works operated by Essex & Suffolk Water (ESW). The WTW, which has a peak output of 220 MLD, draws water from the 26,000 ML Hanningfield Reservoir to supply a large part of south Essex. The washwater system is over 50 years […]

Layer to Langford Pipeline (2023)

Essex and Suffolk Water, part of Northumbrian Water Ltd, supplies drinking water to 794,000 properties. Maintaining a supply to those customers requires the distribution of up to 670 Ml/d of high-quality drinking water. In Essex, the two primary treatment works are Hanningfield WTW, a physio-chemical works near Chelmsford and Layer WTW, a biological works, near […]

Hanningfield WTW - Washwater System (2022)

Hanningfield Water Treatment Works (WTW) is the largest water treatment facility operated in the Essex & Suffolk Water supply area. It has been expanded over numerous phases and is currently in need of improvements to its washwater treatment plant in response to changing influent water quality. Hanningfield WTW draws water from Hanningfield Reservoir which is, […]

Layer WTW (2022)

Northumbrian Water’s Layer Water Treatment Works is located on site at Abberton Reservoir, just outside Colchester in Essex. It is the primal source of water treatment for the reservoir and produces clean drinking water for most of the north Essex region of Essex & Suffolk Water’s operating area, with a designed output of 145 Mld. […]

Belaugh & Waveney Raw Water Intakes (2021)

Eel populations have seen a sharp decline since the 1980s and whilst the exact reasons are unknown, legislation in the form of the ‘Eels (England and Wales) Regulations 2009’ was brought in to provide eels with extra protections. Within the regulations there is a requirement to prevent eels becoming trapped within raw water abstraction systems. […]

Billericay, Danbury & Hollingsworth Road Water Towers (2020)

The low-pressure standard (formerly called DG2) is defined by Ofwat as a pressure of less than 10 metres at a flow of 9 litres per minute when measured on the customer side of the water company stop tap. Any properties in breach of this threshold are recorded on the low pressure register and the number […]

Langford WTW (2020)

Langford Water Treatment Works (WTW) is owned and operated by Essex and Suffolk Water (ESW), part of the Northumbrian Water Group (NWG). The treatment works, located near the town of Maldon, treats water abstracted from the nearby River Chelmer and River Blackwater. The river water quality changes greatly with rainfall, at times of excessive turbidity […]

Stratford St Mary Pumping Station (2020)

Refurbishment project to strengthen resilience of raw water supply to Essex strategic reservoirs

Syleham WTW (2020)

Essex and Suffolk Water’s Syleham Water Treatment Works is located in the north-east part of Hartismere in Suffolk. The works supplies water to the north side of Eye and to Fressingfield Water Tower, which in turn supplies approximately 4,000 properties (10,000 customers) throughout a number of villages. It was originally constructed in 1940 and raw […]

Brantham Pumping Station (2019)

Brantham Raw Water Intake is owned and operated by Essex and Suffolk Water (ESW), part of the Northumbrian Water Group (NWG). The raw water intake, located on the banks of the River Stour north of Colchester, abstracts water from the River Stour where it is transferred under gravity to Brantham Pumping Station. The raw water […]

River Yare Pipeline Crossing & Tunnel Decommissioning (2019)

As part of a continued effort to improve service to customers and ensure resilience and security of supply, the team at Northumbrian Water Limited together with Stantec UK carried out an investigative study of the issues related to the River Yare Strategic Crossing and identified a cost effective solution that achieved these objectives. The Great […]

Trinity Broads Mud Pumping Project (2018)

The Norfolk Broads is a low-lying landscape of interconnected lakes (broads) and streams and large parts are also Sites of Special Scientific Interest (SSSIs) and contain a number of protected species of flora and fauna. One area of the Norfolk Broads; the Trinity Broads, provides raw water to Ormesby Water Treatment Works (WTW) operated by […]

Heybridge Sea Gate & Lock Gate Replacement (2017)

At the start of construction for the Hanningfield Raw Water Reservoir, an Act of Parliament The Hanningfield Water Order 1950 was passed with agreements put in place for the maintenance of the lock between the navigation company (Essex Waterways) and Northumbrian Water Group (NWG), parent company of Essex and Suffolk Water. NWG abstracts water from […]

Tiptree & Langham Pumping Station Refurbishments (2017)

Northumbrian Water Group (NWG) provides water services to 1.5 million customers across a large part of Essex and east London, where it operates as Essex and Suffolk Water. As a vital part of Northumbrian Water’s treated water network, demand up to 55Ml/d is pumped from the Langham WTW on the Essex/Suffolk borders and forward boosted […]

Abberton Pipeline Project (2013)

Installation of 32km of pipeline to support the Abberton Scheme

Abberton Scheme - Wormingford Pumping Station (2013)

New pumping station to extract 120Ml/d of raw water from the River Stour to supply the Abberton Reservoir

Hanningfield WTW - Sludge Treatment Reed Beds (2013)

Sludge Treatment Reed Beds - Breaking new ground, a world first for a water treatment works

Abberton Reservoir Enhancement (2012)

Increasing the capacity of Abberton Reservoir to meet the forecast population increase in Essex

Hanningfield WTW - Sludge Treatment Reed Beds (2012)

Sludge treatment reed beds – a world first for a water treatment works

Layer de la Haye WTW (2008)

Treatment works upgrade project for Essex & Suffolk Water

Layer de la Haye WTW (2006)

£3.8m primary filter conversion for Essex & Suffolk Water

North Essex Water Abstraction Source (2006)

New borehole to supply 4.25Ml/d to drought stricken Essex

Syleham WTW (2005)

£1.8 million reservoir to safeguard supply

Lound WTW (2004)

£7.4m Trihalomethane project for Essex & Suffolk Water

Ormesby WTW (2004)

Upgrading plant to meet new compliance values

Langford Wastewater Recycling Scheme (2002)

New works recycles wastewater to augment river water