Isles of Scilly

Water supply arrangements

Company Assets

Number of treatment works

9

Number of service reservoirs 

9

Number of water supply zones

5

Length of mains pipe (km)

55km

Population Served

Population Supplied

2,109 

Number of local authorities

1

Water Supplied

Water Supplied (l/day)

845,000

Percentage from surface sources

0%

Percentage of ground sources

17%

Percentage from mixed sources

83%

Area of supply

Isles of Scilly

Consumer Contacts

Informing Consumers

Company Figure

Total Number

Rate pet 1,000 population

2019

2020

1

0.47

2021

1

0.47

Industry Average

2021

9,913.96

1.22

Acceptability of water to consumers

Company Figure

Total Number

Rate pet 1,000 population

2019

2020

7

3.32

2021

6

2.84

Industry Average

2021

2,832.12

1.08

Complaints to the Drinking Water Inspectorate

No consumers of Isles of Scilly directly contacted DWI in 2021.

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