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Wessex Water

Wessex Water covers an area of around 10,000 square kilometres which includes Dorset, Somerset, Bristol, most of Wiltshire and parts of Gloucestershire and Hampshire.

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 475 million litres of sewage being treated each day. The company’s sewerage system includes 405 sewage treatment works, 1,003 combined sewer overflows, 1,515 pumping stations and more than 30,000 km of sewers.

Berry Hill STC & Taunton STW (2015)
£16m of improvements to sludge digestion facilities
Poole STW - Inlet Works (2013)
New inlet works to prevent compliance problems
Trowbridge STW - Acid Phase Digestion Plant (2013)
Acid phase digestion generating green energy with advanced digestion
Columbia Road FAS (2012)
Surface water flood alleviation project in Bournemouth
Evershot STW (2010)
£2.2m dry weather flow exceedence scheme
Salisbury STW (2010)
Significant modifications and additions to the existing works needed
Bristol City Flood Alleviation (2009)
£9m project to give the city centre area a 1 in 50 year storm protection
The Limes Flood Prevention Scheme (2009)
Side entry manholes and stop end bends
Bristol (Avonmouth) STW - Advanced Sludge Treatment (2008)
£35m scheme increases electrical self generation at sludge centre
Bristol City Flood Alleviation (2008)
Flood alleviation tunnel
Plimsoll CSO (2008)
Much more than just treading water
Poole STW - Upgrade (2008)
£11m upgrade of major sewage treatment plant at coastal town
Ratfyn STW (2008)
Upgrade of the STW which serves village & nearby communities
Sutton Bingham Dam (2008)
Sutton Bingham Dam remedial work
Corfe Mullen STW (2007)
Replacement screens and screenings handling
Kilve STW (2007)
A high impact yet low profile solution
Malmesbury STW (2007)
New parallel process stream increases treatment capacity
Maundown WTW (2007)
£25m works rebuild by Wessex Water
Chew Stoke STW (2006)
Extensions required to meet growing demands
Clarendon WTW (2006)
High tech in the countryside
Monkton Combe Emergency Water Supply (2006)
Safeguarding city of Bath water supply during future droughts
Paulton STW (2006)
£3.1 million project delivered one year ahead of Ofwat deadline
Bath CSOs (2005)
£28.5m scheme to solve uCSO problems in sensitive area
Bridgewater UIDs (2005)
£5 million project cures overflows from six pumping stations
Charmouth STW (2005)
£4.5 million upgrade at Wessex Water’s south coast plant
Gillingham (Dorset) STW (2005)
Meeting high rate of housing development
Ringstead Sewerage Scheme (2005)
First time system for outstanding natural beauty area
Shaftesbury STW (2005)
Major upgrade & new ASP meets increasing demand
Wool STW (2005)
£9m investment improves bathing water quality at resort
Bristol Redland CSO (2004)
Part of Wessex Water’s programme to address 526 UIDs
Nether Stowey STW (2004)
Improvements & meeting tighter consent
Taunton (Ham) STW (2004)
A challenge to meet tighter ammonia standards
Bath CSOs (2003)
£28m scheme to remove flooding & pollution risks
Bristol (Avonmouth) STW - CHP (2003)
New £4m CHP plant saves cash & the environment
Crewkerne East STW (2003)
Upgrading to meet tighter standards & added storm capacity
Lytchett Minster STW (2003)
New storm treatment & UV disinfection
Poole STW - UV Disinfection & Storm Tanks (2003)
£4m project improves discharges quality in Poole harbour
Urchfont STW (2003)
Tertiary BAFF plant for small Wilts village
Avonmouth WwTW (2002)
Sludge digestion enhancement using ultrasound technology
Bristol WwTW (2002)
Secondary treatment upgrade & storm tank storage
Corfe Mullen WTW (2002)
Cryptosporidium protection scheme
Poundbury STW (2002)
Upgraded STW for prestigious scheme
Washpool WTW (2002)
Cryptosporidium protection scheme
Westbury STW (2002)
Plant extensions to meet increased demand