Industry data on water and wastewater services, infrastructure and water quality.
Find industry data on: • Water supply
• Wastewater services
• Drinking water quality
| Water supply & infrastructure | ||||
| England & Wales | Scotland | N.Ireland | Total | |
| Population
(millions) |
52.57 | 4.84 | 1.70 | 59 |
| Water supplied
(megalitres*/day) |
15,922 | 2,332 | 619 | 19,000 |
| Number of
companies |
26 | 1 | 1 | 28 |
| Water treatment
works |
1,301 | 333 | 65 | 1,699 |
| Length of
mains (km) |
335,500 | 47,000 | 26,500 | 408,500 |
*1 megalitre = 1 million litres or 1,000 cubic metres.
Data sources: England & Wales, DWI June 2007; Scotland, Who's Who in the Water Industry 2007; N.Ireland, Northern Ireland Water June 2007. Population, supply volume a totals figures rounded.
| Wastewater services | |||
| England & Wales | Scotland | N. Ireland | |
| Wastewater received
per day (megalitres*) |
10,000 | 864 | 364 |
| Length sewers (km) | 309,831 | 48,951 | 14,500 |
| Wastewater
treatment works |
6,362 | 1,826 | 1,124 |
*1 megalitre = 1 million litres or 1,000 cubic metres.
Data sources: England & Wales and Scotland, Who's Who in the Water Industry 2007; N.Ireland, Northern Ireland Water June 2007.
| Drinking water quality | |||
| England & Wales | Scotland | Northern Ireland | |
| % compliance* | 99.96 | 99.66 | 99.78 |
* Compliance with 40 strict standards (based on UK and EU statutory standards and WHO guidance). Sources: England & Wales, DWI June 07; Scotland, DWQR August 07; N. Ireland, Environment & Heritage Service December 06.
Find out more
The water industry todayOverview
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