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Kent

Our £1.2 billion investment in Kent will keep taps flowing, cut pollution, and protect the environment— making sure the region is ready for future growth.

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Supporting growth in Kent

Over the next five years, we’re preparing for population growth and the development it brings. That means expanding and upgrading our network to make sure your water supply remains strong and reliable. We’re also increasing our capacity to treat more wastewater than ever before.

At the same time, we’re making major improvements to the health of local rivers and seas—treating wastewater to a higher standard, reducing storm overflows by installing sustainable drainage and sealing sewers, and working hard to prevent pollution.

Our Kent 2025-2030

investment plans

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£73.6m in Ashford

The rising main at Mill Lane Kennington is being replaced to improve the reliability of the pumping station. To keep up with population growth, we’re increasing capacity and flow monitoring at Sellindge Wastewater Treatment Works. We’re also investing millions to improve local river quality, with better nutrient removal and sludge digestion.

£105.5m in Medway

£3.1 will help enhance the environment in and along the River Beult. We’re also reducing sewer bursts and pollutions, improving local water quality, by increasing wastewater treatment capacity and quality. We’re improving the treatment of sludge, a valuable byproduct of the process that supports local farmers and generates renewable energy.

£211.5m in Canterbury and Whitstable

To keep up with population growth and protect the environment, we’re investing over £100m at Swalecliffe treatment works to increase capacity, reduce spills and increase resilience to extreme weather. We’re also improving wastewater treatment at Preston and removing more nutrients from wastewater at Canterbury to improve water quality.

£55.4m in Tonbridge

In Fordcombe we’re focused on reducing spills to protect the local environment. £14m will help remove more phosphorus, a potentially harmful nutrient, from outflows in Tonbridge, improving river health. At Penhurst we’re improving flow monitoring, so we can prepare for excessively high flows and protect local communities from flooding.

£11.8m in Maidstone and Malling

We’re investing £11.8 million to increase the amount of wastewater treated at our Wateringbury site and remove phosphorus from wastewater returning to the environment, protecting and enhancing local rivers and wildlife. We’re also improving flow monitoring at Ditton to better regulate our sites and prevent spills.

£51.5m in Dartford and Gravesham

We're increasing the capacity of our Northfleet and Gravesend sites and the quality of the treated wastewater returned to the local environment, protecting local drinking water sources at Ebbsfleet. We'll be using byproducts from the treatment process to power our sites and support local farmers.

£54.8m in Mid Kent

We’re reducing nearby spills and improving the quality of water leaving Faversham Wastewater Treatment Works by increasing the site’s capacity, reliability and microbiological treatment, protecting shellfish and local bathing waters. We’re also investing £8.4m to remove more chemicals from treated water in Lenham and Leeds, protecting local rivers.

£93.5m in Dover and Deal

To protect the quality of drinking water at Martin Gorse, Martin Mill, and Sutton Water, we’re investing in chalk groundwater projects. We’re increasing the power resilience of our Weatherlees and Broomfield Bank sites to better manage the impact of climate change and reduce flooding. We’re also increasing the volume and quality of treated wastewater at our sites to reduce spills, improve river health.

£116.7m in The Weald of Kent

We’re enhancing wastewater treatment at our sites across the Weald of Kent to improve water quality, going beyond the standards set out by our regulator. We’re doing this by increasing capacity, improving our screening process and removing harmful nutrients, nitrogen and phosphorus, in treated wastewater returning to local rivers.

£18.2m in Folkstone and Hythe

To keep up with population growth, we’re increasing the volume of water we can treat at our Dymchurch and Lydd sites. We’re also investing £6m to protect rivers around Lydd and Brookland by removing more phosphorus from the treated wastewater returning to them. Too much phosphorus can upset the local ecosystem and river life.

£105m in Sittingbourne and Sheppey

We're reducing spills at Queenborough and Eastchurch to limit our impact on the environment. We're also improving microbiological treatment and screening here, and at Sittingbourne, improving the quality of effluent to protect local shellfish. £1.8. will replace the rising main in Queenborough, reducing the risk of bursts and site failures.

£174.4m in Tunbridge Wells

Investment at our Tunbridge Wells wastewater sites will enhance the quality of water in local rivers. We're doing this with better screening and the removal of phosphorus, a potentially harmful nutrient, from the wastewater returning to the environment. We’re also investing over £15 million to increase the volume of wastewater we can treat, reducing spills.

£194m in the Isle of Thanet, Sandwich and Herne Bay

We’re improving the power resilience at our water supply works in Woodnesborough and our coastal pumping stations to protect both our customer’s supply and the environment. Further investment will improve water quality around Herne Bay by reducing spills.

£130.5m upgrade at Burham

We’re investing £130.5 million to upgrade our water supply works in Burham for a more reliable water supply and less outages.

£16.2m in nitrate removal

To protect drinking water quality, we’re removing nitrate from the water we take from the environment at our Thanet, Northfleet, Hazells, Ringwould, Martin Mill and Martin Gorse water supply works.

£10.4m in more treatment

We’re making Wingham, Luton, Northfleet and Sutton water supply works more resilient to changes in water quality, reducing the risk of outages. We’re also installing further treatment to remove harmful microorganisms.

32km replacement mains

We’re replacing approximately 32km of water mains across Kent to future-proof our network and reduce the risk of outages and supply interruptions.

14m litres of extra water a day

We’re developing plans to build a new water recycling plant at Aylesford. This will produce up to 14 million litres of extra water for the region, leaving more water in the River Medway, protecting this water source for future generations.

£10.4m to improve resilience

We’re making Wingham, Luton, Northfleet and Sutton water supply works more resilient to changes in water quality, reducing the risk of outages. We’re also installing further treatment to remove harmful microorganisms.

14m litres of extra water a day

We’re developing plans to build a new water recycling plant at Aylesford. This will produce up to 14 million litres of extra water for the region, leaving more water in the River Medway, protecting this water source for future generations.

£16.2m in nitrate removal

To protect drinking water quality, we’re removing nitrate from the water we take from the environment at our Thanet, Northfleet, Hazells, Ringwould, Martin Mill and Martin Gorse water supply works.

32km replacement mains

We’re replacing approximately 32km of water mains across Kent to future-proof our network and reduce the risk of outages and supply interruptions.

£130.5m upgrade at Burham

We’re investing £130.5 million to upgrade our water supply works in Burham for a more reliable water supply and less outages.

£73.6m in Ashford

The rising main at Mill Lane Kennington is being replaced to improve the reliability of the pumping station. To keep up with population growth, we’re increasing capacity and flow monitoring at Sellindge Wastewater Treatment Works. We’re also investing millions to improve local river quality, with better nutrient removal and sludge digestion.

£105.5m in Medway

£3.1 will help enhance the environment in and along the River Beult. We’re also reducing sewer bursts and pollutions, improving local water quality, by increasing wastewater treatment capacity and quality. We’re improving the treatment of sludge, a valuable byproduct of the process that supports local farmers and generates renewable energy.

£211.5m in Canterbury and Whitstable

To keep up with population growth and protect the environment, we’re investing over £100m at Swalecliffe treatment works to increase capacity, reduce spills and increase resilience to extreme weather. We’re also improving wastewater treatment at Preston and removing more nutrients from wastewater at Canterbury to improve water quality.

£55.4m in Tonbridge

In Fordcombe we’re focused on reducing spills to protect the local environment. £14m will help remove more phosphorus, a potentially harmful nutrient, from outflows in Tonbridge, improving river health. At Penhurst we’re improving flow monitoring, so we can prepare for excessively high flows and protect local communities from flooding.

£11.8m in Maidstone and Malling

We’re investing £11.8 million to increase the amount of wastewater treated at our Wateringbury site and remove phosphorus from wastewater returning to the environment, protecting and enhancing local rivers and wildlife. We’re also improving flow monitoring at Ditton to better regulate our sites and prevent spills.

£51.5m in Dartford and Gravesham

We're increasing the capacity of our Northfleet and Gravesend sites and the quality of the treated wastewater returned to the local environment, protecting local drinking water sources at Ebbsfleet. We'll be using byproducts from the treatment process to power our sites and support local farmers.

£54.8m in Mid Kent

We’re reducing nearby spills and improving the quality of water leaving Faversham Wastewater Treatment Works by increasing the site’s capacity, reliability and microbiological treatment, protecting shellfish and local bathing waters. We’re also investing £8.4m to remove more chemicals from treated water in Lenham and Leeds, protecting local rivers.

£93.5m in Dover and Deal

To protect the quality of drinking water at Martin Gorse, Martin Mill, and Sutton Water, we’re investing in chalk groundwater projects. We’re increasing the power resilience of our Weatherlees and Broomfield Bank sites to better manage the impact of climate change and reduce flooding. We’re also increasing the volume and quality of treated wastewater at our sites to reduce spills, improve river health.

£116.7m in The Weald of Kent

We’re enhancing wastewater treatment at our sites across the Weald of Kent to improve water quality, going beyond the standards set out by our regulator. We’re doing this by increasing capacity, improving our screening process and removing harmful nutrients, nitrogen and phosphorus, in treated wastewater returning to local rivers.

£18.2m in Folkstone and Hythe

To keep up with population growth, we’re increasing the volume of water we can treat at our Dymchurch and Lydd sites. We’re also investing £6m to protect rivers around Lydd and Brookland by removing more phosphorus from the treated wastewater returning to them. Too much phosphorus can upset the local ecosystem and river life.

£105m in Sittingbourne and Sheppey

We're reducing spills at Queenborough and Eastchurch to limit our impact on the environment. We're also improving microbiological treatment and screening here, and at Sittingbourne, improving the quality of effluent to protect local shellfish. £1.8. will replace the rising main in Queenborough, reducing the risk of bursts and site failures.

£174.4m in Tunbridge Wells

Investment at our Tunbridge Wells wastewater sites will enhance the quality of water in local rivers. We're doing this with better screening and the removal of phosphorus, a potentially harmful nutrient, from the wastewater returning to the environment. We’re also investing over £15 million to increase the volume of wastewater we can treat, reducing spills.

Area overview

testing 

Area overview

In Kent we have:

  • 31 Water supply works
  • 36 Water service reservoirs
  • 101 Wastewater treatment works 
  • 1171 Wastewater pumping stations
Area overview

In Kent we have:

  • 31 Water supply works
  • 36 Water service reservoirs
  • 101 Wastewater treatment works 
  • 1171 Wastewater pumping stations.