Affinity Water

Water supply arrangements

Company Assets

Number of treatment works

92

Number of service reservoirs 

157

Number of water supply zones

89

Length of mains pipe (km)

16,800km

Population Served

Population Supplied

3,797,000

Number of local authorities

41

Water Supplied

Water Supplied (l/day)

950,608,000

Percentage from surface sources

40%

Percentage of ground sources

55%

Percentage from mixed sources

5%

Area of supply

Barnet, Brent, Buckinghamshire, Central, Bedfordshire, Ealing, Essex, Harrow, Hertfordshire, Hillingdon, Kent, Luton, Surrey, Windsor and Maidenhead

Consumer Contacts

Informing Consumers

Company Figure

Total Number

Rate per 1,000 population

2019

961

0.25

2020

897

0.24

2021

900

0.24

Industry Average

2021

9,913.96

1.22

Acceptability of water to consumers

Company Figure

Total Number

Rate per 1,000 population

2019

3,066

0.81

2020

3,319

0.88

2021

3,036

0.80

Industry Average

2021

2,832.12

1.08

Complaints to the Drinking Water Inspectorate

A total of 1 consumer of Affinity Water directly contacted the DWI in 2021.

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