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Improvements in your area

We’re committed to improving the South East’s precious water environment. Here you can read about what we're doing to protect our environment in the years ahead.

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Our investment plans

We’ve come a long way since our transformation programme started in 2017 – and we’re going further each day. Below, you’ll find an overview of our investment plans for 2025-30 

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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.

£53.3m in Brighton and Hove

We’re investing in local groundwater catchment schemes to protect the quality of our water supply. Millions is being spent to improve our Peacehaven site, reducing spills to protect local bathing waters and improving the treatment of sludge - a byproduct of the treatment process used by farmers. We also use the renewable energy created in the process to power our sites.

£30.3m in Hastings and Rye

To improve bathing waters and river health, we're improving wastewater treatment and reducing the amount of phosphorus returning to rivers at Ferry Hill, Winchelsea and Icklesham. We’re also investing £5.6m in Fairlight to cut spills in the area.

£65.2m in Bexhill and Battle

£21m will help us reduce spills in Hastings, Northiam and Westfield and protect local rivers and seas. We’re also improving the quality of treatment at our sites, removing phosphorus from wastewater returning to the environment, and monitoring flow better to reduce storm overflows. Further investment will increase resilience to flooding at our Battle and Catsfield sites.

£77.7m in The Sussex Weald

We’re investing £6.1m to reduce spills in Hailsham North and £6.9m to enhance wastewater treatment at Hailsham South, both bringing huge benefits to local rivers and seas. As part of our commitment to enhance water quality in over 1000km of rivers, we’re also reducing levels of phosphorus from treated wastewater returning to them. Upgrades to Halland Wastewater Treatment Works will increase the site’s resilience to flooding.

£36.8m in Lewes

£5.2m will help us improve the health of local rivers by removing more phosphorus – a potentially harmful nutrient - at our Plumpton and Ditchling wastewater treatment works. We’re improving bathing water quality around Eastbourne by reducing spills and improving the flooding resilience of our Neaves Lane Wastewater Treatment Works.

£23.2m in Eastbourne

We’re committed to protecting the environment around Eastbourne and are investing £23.3 in upgrading Eastbourne Wastewater Treatment Works to make it more resilient against technical faults and extreme weather. Further investment will help combat the impact of coastal erosion.

£208.4m in Portsmouth and Havant

We’re increasing capacity at Budds Farm Wastewater Treatment Works to reduce spills and improve the recycling of byproducts from the treatment process, enhancing local water quality. We’re also replacing two rising mains in Drayton and Fishery Lane, Hayling Island, and refurbishing nearby pumping stations to reduce the likelihood of pollution.

£117.5m in the New Forest

We’ll be investing millions at our Testwood Water Supply Works to partially rebuild the site to improve the reliability of water supplies in the area. We’re investing £23.8m to remove nitrogen from the river outflows at Ashlett Creek, Fawley and Slowhill Copse. We’re also increasing capacity at our Milford Road treatment works, protecting local properties and the environment by reducing spills.

£156.6m in Southampton and the Test Valley

To improve water quality and protect the environment, we’re carrying out groundwater investigations and catchment schemes around our Barton Stacey, Chilbolton, Horsebridge, and Timsbury Water Supply Works. We’re also increasing treatment capacity at our Fullerton and Stockbridge sites to reduce spills in the River Test. Further investment will reduce spills in the Hamble Valley and River Itchen, and remove nitrogen from river outflows across the area.

£117.5m in Winchester and Basingstoke

We’re removing nitrogen and phosphorus from outflows into local rivers at Morestead Road, New Alresford, and Harestock, improving local water quality and improving river ecology. We’re also increasing treatment capacity at Bishops Waltham and carrying out ecological resilience schemes at our Totford Water Supply Works.

£96.9m in Gosport

To reduce the use of emergency storm overflows and improve the health of nearby rivers, we’re upgrading Peel Common Wastewater Treatment Works by increasing capacity, improving flow monitoring, and installing more storm storage. We’re also introducing better UV treatment to enhance the quality of wastewater returning to the environment.

£22m in East and North East Hampshire

We’re reducing storm overflow releases from our Petersfield works, reducing phosphorus pollution and improving river health at Liss. We're also replacing a key rising main at Mill Lane, protecting the environment around the site.

£40.2m in Eastleigh

We’re refurbishing our Chickenhall Wastewater Treatment Works to minimise bursts and failures which could lead to pollutions. We’re also removing nitrogen and phosphorus from river outflows and improving our flow monitoring to reduce the likelihood of emergency storm overflow releases.

£20.3m in North West Hampshire

To protect the health of local rivers, we’re increasing capacity at our Overton and Whitchurch Wastewater Treatment Works and removing nitrogen from river outflows. We’re also carrying out an Ecological Resilience Scheme at Kingsclere Brook.

£132m in Fareham

We’re improving the treatment at Southwick Wastewater Treatment Works to protect shellfish waters. We’re also replacing the rising main at Fareham Road's Wickham Wastewater Pumping Station to improve the reliability of our network and prevent pollutions.

£348m investment

We're investing £348 million to redesign and improve our customer services, trialling new tariffs to encourage water saving, while increasing our social tariffs and Priority Services offering.

50% Less pollution

We will reduce overall pollution incidents by 50% and eliminate serious pollution incidents by 2023 by installing new mains and increasing power resilience at our pumping stations, and continuing to install monitors across our network.

86K New homes

The South East has one of the country’s highest levels of housing growth. We’re accommodating over 86,000 new homes by building a new treatment works at Whitfield near Dover.

1m Smart meters

By installing more than one million smart meters across our region we will increase awareness of water use and accuracy of billing, helping customers save more water.

105 Apprentices

We will provide 105 apprenticeships across 21 different areas and from 15 providers, including commercial specialists in procurement and data analysis.

2 New bioresource centres

By building two new advanced bioresources treatment centres, we will increase the amount of power we can generate ourselves and become more sustainable.

£1.93 a day

In 2025–26, our household customers will pay an average of £1.92 a day for us to provide wholesome drinking water and take their wastewater away. This has risen by 46.7% so we can deliver our ambitious improvement plans.

£320m Investment

We're spending £320 million on upgrading our four largest water treatment sites, to improve the resilience of our water supply to 62% of our customers, and reducing the likelihood of a hosepipe ban.

189m Litres a day

Through new sources of water, and by increasing the capacity of our supply network, we will provide customers with an extra 189 million litres of water per day, plus a further 82 million litres per day by 2035.

1,000km River improvements

We will improve water quality in 1,000km of rivers by upgrading our wastewater treatment works to meet tighter regulatory standards, remove more potentially harmful nutrients from wastewater and work with partners to prevent pollution at source.

63.6% More jobs

To keep our essential services running, we directly employ over 2,600 people. Over the next five years, we're providing an extra 4,253 jobs across our region to help deliver our ambitious plans.

£71.8m in Sandown

£58m will introduce sustainable drainage systems, increase storage and pumping capacity at Sandown (and Wroxall) to reduce storm overflow releases and improve local water quality. We’re also investing £13.8m at Sandown to improve the treatment of sludge – a byproduct of wastewater treatment. It's a valuable resource for farmers and we use the gases created during the treatment process to generate energy, aiming to generate 25% of our own by 2025.

£8.8m in Wroxall

£8.8m will help us to remove more nitrogen from the site’s outflow into rivers. This is part of our commitment to improving water quality in over 1000km of rivers

£2.42m for the River Eastern Yar

We’ll be contributing £2.42m to the River Eastern Yar catchment scheme to help protect local rivers and improve water quality. This work follows an aerial survey conducted to investigate potential causes of water quality deterioration in the Eastern Yar catchment.

£67.1m in Mid Sussex

To keep up with population growth and protect the environment, we’re upgrading our wastewater treatment sites, including Goddards Green and Scaynes Hill, where we’re reducing spills and improving screening. We’re increasing the capacity of Goddards Green and improving sludge treatment to generate renewable energy and supply farmers with this valuable byproduct. At Slaugham, we’re improving outflow quality by removing more unwanted nutrients.

£23.3m in Worthing and Shoreham

We’re making improvements to Broadwater Water Supply Works to manage the impact of climate change and increase the site’s resilience. We’re reducing spills in Shoreham and improving nutrient removal at our Clapham site as part of our commitment to improve the health of over 1000km of rivers. A £14.9m upgrade to East Worthing Wastewater Treatment Works will make the site more resilient.

£84.5m in Bognor Regis and Littlehampton

To support new homes and protect the environment, we’re increasing the capacity, resilience and quality of wastewater treatment at our Ford site. £14.8m will improve sludge treatment, so we and local farmers can benefit from its biofuel. We’re improving flow monitoring at our sites in the area to improve their ability to handle emergencies and reduce spills.

£122.2m in Arundel and the South Downs

We’re investing millions in conservation projects in the Arun Valley and the River Western Rother area. Lidsey Wastewater Treatment Works will benefit from £49m worth of improvements to make the site more resilient and reduce spills. We’re also making improvements to remove more phosphorus from treated wastewater returning to rivers across the area, protecting the surrounding environment.

£95.3m in Chichester

We’re improving the quality of water leaving Thornham Wastewater Treatment Works with better UV treatment and nutrient removal to protect local shellfish. Nearly £15m is being spent on reducing spills at our Thornham and Pagham Wastewater Treatment Works, enhancing local bathing waters. We’re also increasing treatment capacity at Thornham to protect local communities from flooding and reduce the use of storm overflow releases.

£28.4m in Horsham

We’re improving the resilience of Hampers Lane Water Supply Reservoir to keep our customer’s taps flowing. £26m will help our sites treat wastewater to a higher standard, benefitting the local environment and ecology. This will include the removal of phosphorus from treated wastewater returning to rivers and seas. We’re also increasing treatment capacity at Horsham Wastewater Treatment Works.

£45.7m in Crawley, East Grinstead and Uckfield

Our investment will improve resilience of our Turners Hill Water Supply Reservoir to prevent future water outages. We’re also reducing spills in Wivelsfield, Barcombe and Nutley to protect the environment. Further investment at our wastewater treatment sites will see enhanced treatment and nutrient removal, protecting the health of local rivers.

Area overview

In Kent we have....
Water Supply Works: 31 
Water Service Reservoirs: 36
Wastewater Treatment Works: 101
Wastewater Pumping Stations: 1,171

Area overview

In East Sussex we have...
Water Supply Works: 11
Water Service Reservoirs: 38 
Wastewater Treatment Works: 73
Wastewater Pumping Stations: 399

Area overview

In Hampshire we have...
Water Supply Works: 15    
Water Service Reservoirs: 40
Wastewater Treatment Works: 53
Wastewater Pumping Stations: 673

Area overview

Across our region we have...
Water Supply Works: 83
Water Service Reservoirs:176
Wastewater Treatment Works: 345
Wastewater Pumping Stations: 3,078

Area overview

In the Isle of Wight we have...
Water Supply Works:
7
Water Service Reservoirs:
25
Wastewater Treatment Works:
19
Wastewater Pumping Stations:
156

Area overview

In West Sussex we have...
Water Supply Works: 19
Water Service Reservoirs: 37
Wastewater Treatment Works: 99
Wastewater Pumping Stations: 679