Southern Water provides water supply and wastewater treatment services across Kent, Sussex, Hampshire and the Isle of Wight.

The area we supply covers a total of some 4,450 sq. kms, and extends from East Kent in the east, through parts of Sussex, to Hampshire and the Isle of Wight in the west.

The map below shows our area of operation, as well as the areas in which other water companies provide the water supply.

If you are unsure if your property is within Southern Water's supply area, enter your postcode in the 'Where I live' section on the left hand side of the page.

Click on the map to enlarge

Other water supply companies in Southern Water's region: