Your water
Find out how to save water, energy and money and learn a bit about your water supply
Your area
Find out if Southern Water supplies your home, check your water quality or explore what's happening in your area.
Need help?
Type your question into the box below or see what other customers often ask.
How hard is your water?
The hardness of water depends on the amount of naturally occuring minerals such as calcium and magnesium. Use our postcode checker below to find out the hardness of your water.
