Only about 7% of the water we supply comes from reservoirs – follow the link to find out more about where our water comes from.
We aim to update these figures every week.
Bewl Water reservoir
Bewl Water reservoir is the largest stretch of open water in the South East of England. It is set in 800 acres of the Kent countryside and attracts more than 150,000 visitors a year.
Capacity: 31,000 megalitres
Darwell reservoir provides water for the Hastings area. It was formed in the early 1950s and covers around 156 acres.
Capacity: 4,730 megalitres
Powdermill reservoir provides water for the Hastings area and stores more than a billion litres of water. The picturesque spot is popular with anglers.
Capacity: 1,060 megalitres
Weir Wood reservoir
Weir Wood reservoir is key to water supply in North Sussex. The reservoir is filled by rainwater and during a drought period the use of the reservoir is minimised to conserve supplies.
Capacity: 5,600 megalitres