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Scottish Water

Scotland has an area of 79,000 square kilometres and a coastline of over 11,000 kilometres. With a small and relatively dispersed population a large number of small water and waste water treatment works are required.

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 centres, and reservoirs. Each day the company supplies 1.3 billion litres of clean water and nearly 1 billion litres of wastewater is taken away and treated before being returned to the rivers and seas.

Hamilton WwTW (2024)
Installation of the UK’s first containerised mid-process hydroelectric turbine on a wastewater treatment works
Forehill WTW (2015)
Off site MEICA Construction
Loch Arklet Reservoir (2015)
Largest anchoring scheme for Scottish Water
Talla Aqueduct (2014)
Overflow chamber stabilisation
Ardbeg & Port Bannatyne Sewerage Scheme (2012)
£6m Scottish Water project to remove untreated sewage sea outfalls on the Isle of Bute
Loch Ryan Wastewater Treatment Scheme (2011)
£28m investment to deliver a wastewater solution for Stranraer and the surrounding villages
Assynt WTW (2010)
New water treatment works for the Inverness region
Burncrooks WTW (2010)
Alternative to secondary treatment plant saves millions
Park Avenue FAS (2010)
£2.4m project sets a new benchmark within Scottish Water for customer care and delivery
Turret WTW (2010)
£24m upgrade & refurbishment project
Kirkcaldy WwTW (2009)
£4.4m scheme to tackle odour issues in Fife town
North Queensferry WwTW (2009)
£1.95m project to replace dilapidated works
Dunbar WwTW (2008)
A new treatment works for a historic coastal town
Fort William WTW (2008)
Improved water treatment in the West Highlands
Kilmelford WTW (2008)
£2.2m project improves Highlands water quality
Hamilton WwTW (2007)
£5m project is final part of scheme to clean up River Clyde
Loch Eck WTW (2007)
£8.4 investment improves quality
Port Wemyss & Portnahaven STW (2007)
£2.2m project has environmental benefits for island community
Stewarton WwTW (2007)
£1.1m project enhances water quality in west of Scotland
Stirling WwTW (2007)
Site clearance & plant diversions prior to SBR installation
Tobermory STW (2007)
£6.8m provides new wastewater, collection, transfer & treatment
Alva WwTW (2006)
Final cost achieved £1.836m opposed to Capital provision £3.2m
Granish (Aviemore) WwTW (2006)
£7m allocated for new works in top tourist area
Methlick WwTW (2006)
Providing new WwTW with minimum disruption
Pitscottie WwTW (2006)
Underground SAF solves rural WwTW problem
Rosebery WTW (2006)
£8.6m budgeted project at critical works
Thurso WwTW (2006)
£12.56m project completed within 14 months – under budget
Dunoon WwTW (2005)
£18m scheme aids SW’s operational & environmental objectives
Lochgoilhead WwTW (2005)
£1.9m scheme to protect the environment
Phillipshill WwTW (2005)
Increasing treatment capacity & curing overloading problems
Rosebery WTW (2005)
Intensified DAF process helps increase capacity
Tay WwTW (2005)
Ensuring estuary bound effluent meets new SEPA requirement
Out Skerries WTW (2004)
Tough challenge on remote Scottish Island
Wick WwTW (2004)
First time WwTW on exposed headland for Highland town
Esk Valley CSOs (2003)
Major scheme to improve quality of water courses, access areas
Munlochy & Avoch STW (2003)
Upgrade & remediation of Scottish Highland RBC plant
Aberdeen Nigg STC (2002)
Large thermal hydrolysis plant for Nigg STC
Benbecula STW (2002)
New STW & sewerage for Scots island township
Forth Valley Rural WTW (2002)
Remote rural WTWs using membrane plants
Kirkwall WwTW (2002)
Novel SBR system for Orkney Island plant
Moray Watewater Project (2002)
£60m capital investment in the far north of Scotland
Penicuik WwTW (2002)
Extension/upgrade presented many challenges
Stirling WwTW (2002)
New pumping station & associated works