- Private Water Supply Ascot Berkshire
- Private Water Supply Bracknell Berkshire
- Private Water Supply Earley Berkshire
- Private Water Supply Eton Berkshire
- Private Water Supply Hungerford Berkshire
- Private Water Supply Lambourn Berkshire
- Private Water Supply Maidenhead Berkshire
- Private Water Supply Newbury Berkshire
- Private Water Supply Reading Berkshire
- Private Water Supply Sandhurst Berkshire
- Private Water Supply Slough Berkshire
- Private Water Supply Thatcham Berkshire
- Private Water Supply Windsor Berkshire
- Private Water Supply Wokingham Berkshire
- Private Water Supply Woodley Berkshire