United Utilities Water Ltd

Water supply arrangements

Company Assets
Number of treatment works	92
Number of service reservoirs	352
Number of water supply zones	229
Length of mains pipe (km)	42,538km

Population Served
Population Supplied	7,329,000
Number of local authorities	44

Water Supplied
Water Supplied (l/day)	1,831,804,000
Percentage from surface sources	85%
Percentage of ground sources	5%
Percentage from mixed sources	10%

Area of supply

Blackburn with Darwen, Blackpool, Bolton, Bury, Cheshire East, Cheshire West and Chester, Cumbria, Derbyshire, Halton, Knowsley, Lancashire, Liverpool, Manchester, Oldham, Rochdale, Salford, Sefton, St. Helens, Stockport, Tameside, Trafford, Warrington, Wigan, Wirral 

Consumer Contacts

Informing Consumers

Company Figure	Total Number	Rate per 1,000 population
2019	981	0.14
2020	786	0.11
2021	937	0.13
Industry Average
2021	9,913.96	1.22

Acceptability of water to consumers

Company Figure	Total Number	Rate per 1,000 population
2019	13,950	1.93
2020	13,379	1.83
2021	13,669	1.87
Industry Average
2021	2,832.12	1.08

Complaints to the Drinking Water Inspectorate

A total of 3 consumers of Thames Water Utilities Ltd directly contacted DWI in 2021.