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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Please use the steps below to help us answer your query or put you in touch with the right team.
Tell us why you are getting in touch, and we will provide you with the information you need and the contact details of the relevant team.
You can find the information or advice you are looking for on our most popular webpages related to your bill or account.
Let our digital assistant or team members help you with your account, issues with your water supply or drains or exploring our website.
Get help with your account or troubleshoot issues with your water supply or drains.
Calls charged at a local rate Monday to Friday, 8am - 6pm. Closed on Saturday, Sunday and Bank Holidays.
You can find the information or advice you are looking for on our most popular webpages related to water services.
Report your problem and get further support and guidance.
Calls charged at local rate Monday to Friday, 7am-11pm and Saturday and Sunday, 7.30am-10.30pm.
If you have no water, spotted a burst or leak in a public place, or a blocked and flooding sewer, call our 24-hour emergency line - charged at local rates.
You can find the information or advice you are looking for on our most popular webpages related to waste services.
You can find the information or advice you are looking for on our most popular webpages related to building and development.
If you need help deciding which application to make or how to fill it out, or if you have any other questions, you can ask our team to call you back.
We’re here to help if you need us. Please fill in the form with as much information as possible to assist us with your enquiry.
If you need help deciding which application to make or how to fill it out, or if you have any other questions, call us Monday-Thursday 9am-5pm, Friday 9am-4pm.
Developer Services, Southern House, Yeoman Road, Worthing, West Sussex, BN13 3NX
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Our Priority Services Register is a confidential register for customers who have individual needs, such as disabilities, illnesses or other requirements.