Our work in Hampshire includes sewer improvements, flood protection schemes, upgrades to treatment works and projects to improve the quality of treated wastewater to meet stringent European legislation. < Back to improvements in your area

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Otterbourne Water Supply Works improvements

We're investing £800m across Hampshire and the Isle of Wight between now and 2030 to ensure a reliable water supply for your community and to protect and enhance the environment.
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Woolston Wastewater Treatment Works

Find out about our multi-million pound redevelopment project.
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Testwood Lakes

South Hampshire water supply scheme

Our plans for a strategic pipeline between our water supply works at Testwood and Otterbourne are now on hold, pending a Public Inquiry.
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Testwood Water Supply Works

We’re investing £50 million on a major upgrade of Testwood Water Supply Works so we can continue to provide customers with high-quality drinking water.
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We’re investing £5.5 million on a major upgrade of Portswood Wastewater Treatment Works in Southampton.
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