Severn Trent Water plc 

Water supply arrangements

Company Assets

Number of treatment works

135

Number of service reservoirs 

461

Number of water supply zones

208

Length of mains pipe (km)

47,354km

Population Served

Population Supplied

8,483,347

Number of local authorities

71

Water Supplied

Water Supplied (l/day)

1,658,880,000 

Percentage from surface sources

65.80%

Percentage of ground sources

37.10%

Percentage from mixed sources

2.50%

Area of supply

Cheshire, Derbyshire, Nottinghamshire, Leicestershire, Warwickshire, Gloucestershire, Worcestershire, Shropshire, Staffordshire, West Midlands

Consumer Contacts

Informing Consumers

Company Figure

Total Number

Rate pet 1,000 population

2019

1,776

0.23

2020

1,166

0.14

2021

1,100

0.13

Industry Average

2021

9,913.96

1.22

Acceptability of water to consumers

Company Figure

Total Number

Rate pet 1,000 population

2019

10,984

1.40

2020

9,981

1.19

2021

8,697

1.02

Industry Average

2021

2,832.12

1.08

Complaints to the Drinking Water Inspectorate

A total of 5 consumers of Severn Trent Water plc directly contacted DWI in 2021.

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