Yorkshire Water Services Ltd 

Water supply arrangements

Company Assets
Number of treatment works	53
Number of service reservoirs	349
Number of water supply zones	89
Length of mains pipe (km)	31,790km

Population Served
Population Supplied	5,190,000
Number of local authorities	22

Water Supplied
Water Supplied (l/day)	1,283,770,000
Percentage from surface sources	80%
Percentage of ground sources	20%
Percentage from mixed sources	0%

Area of supply

Barnsley, Bradford, Calderdale, Doncaster, East Riding of Yorkshire, Kingston upon Hull, City of, Kirklees, Leeds, North Lincolnshire, North Yorkshire, Nottinghamshire, Rotherham, Sheffield, Wakefield, York 

Consumer Contacts

Informing Consumers

Company Figure	Total Number	Rate per 1,000 population
2019	1,533	0.31
2020	1,283	0.26
2021	3,007	0.59
Industry Average
2021	9,913.96	1.22

Acceptability of water to consumers

Company Figure	Total Number	Rate per 1,000 population
2019	6,573	1.31
2020	5,890	1.17
2021	5,887	1.16
Industry Average
2021	2,832.12	1.08

Complaints to the Drinking Water Inspectorate

A total of 5 consumers of Yorkshire Water Services Ltd directly contacted DWI in 2021.