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Our reservoirs

We have four key water reservoirs that you can visit which store vital drinking water supplies for the South East. From exciting water sports to woodland walks, there's plenty to see and do at the reservoirs and in the surrounding areas.


Staying safe around water

Although it is banned, people are often tempted to swim in reservoirs without realising the harmful effects that the cold water has on their stamina and strength. While they may be lovely places to enjoy nature and the environment, please remember never to swim in reservoirs. Statistics from the Royal Society for the Prevention of Accidents (RoSPA) show that drowning is the third most common cause of accidental death among the under 16s. RoSPA reports that young people who drown are often victims of their own misjudgement of their swimming ability.

Key things to remember

Spot the dangers 
Water may look safe, but it can be dangerous. Learn to spot and keep away from dangers. 
You may swim well in a warm indoor pool, but that does not mean that you will be able to swim in cold outdoor water.

Take safety advice
Special flags and notices may warn you of danger. Learn what the signs mean, look out for them and do what they tell you.

Don't go alone
Children should always go with an adult, not by themselves.
An adult can point out dangers or help if somebody gets into trouble.

Boats on Weir Wood Reservoir at sunset

At the beach

You also need to stay safe in the sea. We have an extensive coastline in our region and nearly all 84 bathing waters in our region meet strict water quality standards, boasting among the best quality bathing water in Europe. 

  • Red and yellow flags show a designated bathing area with lifeguards on patrol
  • Always bathe between the flags
  • A quartered black and white flag indicates an area zoned for windsurfers and canoeists that is not safe for swimmers
  • The red flag means it is dangerous to bathe and you should not go into the water.

Remember, even if you are a good swimmer in a heated indoor pool, it doesn't mean you will be able to swim as well in outdoor water.

Two deckchairs on Worthing Beach with Worthing Pier in the background
A landscape shot of the coastline

Improvements we're making in our region

We're investing millions to upgrade our sites, support our local communities and protect our water environment. Find out what water infrastructure investments are happening near you:

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