Hafren Dyfrdwy 

Water supply arrangements

Company Assets

Number of treatment works

6

Number of service reservoirs 

85

Number of water supply zones

18

Length of mains pipe (km)

2,629km

Population Served

Population Supplied

207,560 

Number of local authorities

5

Water Supplied

Water Supplied (l/day)

61,150,000 

Percentage from surface sources

63%

Percentage of ground sources

37%

Percentage from mixed sources

0%

Area of supply

Flintshire, Denbighshire, Powys, Gwynedd and Wrexham

Consumer Contacts

Informing Consumers

Company Figure

Total Number

Rate pet 1,000 population

2019

75

0.36

2020

41

0.20

2021

57

0.27

Industry Average

2021

9,913.96

1.22

Acceptability of water to consumers

Company Figure

Total Number

Rate pet 1,000 population

2019

508

2.45

2020

325

1.60

2021

377

1.81

Industry Average

2021

2,832.12

1.08

Complaints to the Drinking Water Inspectorate

No consumers of Hafren Dyfrdwy directly contacted DWI in 2021.

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