We provide various building and development services to help you complete your project and get you connected to the network.
We’re here to help you get your development connected to the public water supply.
We’re here to help you get your development connected to the public sewer network.
Here’s what to do when you’re in the early stage of planning water and wastewater solutions.
When installing new water mains for your development, you can go through us or use a self-lay provider (SLP).
Find more information about NAVs, how they operate and how to make a bulk supply or discharge application.
Help and resources
We provide a range of commercial services across our region. You can learn more and enquire about them here.
Across our region, we have 31 reception sites that can accept a range of domestic and commercial waste.
Trade effluent is any liquid waste discharged into our sewers from a business or industrial process on a trade premises.
When you need a supply of water outside our normal service, you can hire a standpipe from Water Services.
We provide a complete biosolids recycling service for farmers through our contractor ACS.
Useful Commercial links
Here you can access all the information you need about our retailer commitment, our policies, using the retailer portal, and more.
We want your experience with us to be simple and straightforward. Here you'll be able to find useful information and links for water retailers.
Trade effluent is any liquid waste (effluent) discharged into our sewers from a business or industrial process.
Need help with our portal for water retailers? Use the steps below if you'd like to reset your password or raise a different issue.
Every year the population of the South East grows, but the amount of available water remains the same. Learn what your business can do to save water.
Useful Retailer Links
Here you'll find all the latest information on what's happening in our region including our current Pathfinder projects.
Here you can view our latest environmental reporting on bathing water quality, flow and spill compliance and pollutions.
Here you can view our investment plans for 2020-2025. These will help us to improve and protect our region's water environment.
Here you can access our latest water level figures from our main sources - groundwater, rivers and reservoirs.
Here you can learn more about our water treatment process.
Useful Region Links
Here you can learn more about us and our ambitions and the people, organisations and policies that underpin our business.
Here you can view or download both the latest and previous reports on our financial and non-financial performance.
Here you can find more information and access our latest reports about our environmental performance.
Here you can view our short, medium and long-term plans for protecting our environment and ensuring our water supplies.
With over 2,000 employees delivering essential life services to more than four million customers, there is a role for everyone at Southern Water.
Read more about what we're doing to give back to our communities and customers and how we can help you too.
Here you can read more about our Board of Directors and their experience.
Popular News
Find out what's happening in your area,reported incidents and planned works.
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We're here to help you get connected to the public sewer network. Below, you'll be able to learn more about all the wastewater services we can offer.
If you need to request a diversion or change to one of our sewer mains, you will need to apply for a sewer main diversion.
If you're building a house extension, a new home or a commercial building, you may need to apply for a new wastewater connection to our network.
If your planned works will affect a nearby public sewer, you will need to request permission.
If you're building a drainage to our existing sewers or want to upgrade existing properties, you can apply for us to construct a new sewer main.
If you'd like to offer a newly constituted sewer, pumping station or wastewater treatment works for adoption, we can guide you through the process.
If you require a first-time sewerage scheme, you'll need to apply for the provision of a public sewer.
Learn more about the services we offer when you're in the early stages of planning water and wastewater solutions for your development.
As well as wastewater services, we can also help your planned project get connected to the public water supply. This includes helping you apply for a new water connection or a new water main to service your site, or to make a change to one of our existing mains.
When you're planning a project, we're here to help you get connected to the public water supply. Here, you can learn more about the services we offer and how to apply for them.
Here you can find all the information you need to help you locate our pipework through sewer and water maps or drain and water searches.
New water mains for your development can be laid by us or you can use a self-lay provider (SLP).