Question to the Department for Environment, Food and Rural Affairs:
To ask the Secretary of State for Environment, Food and Rural Affairs, what the levels of (a) lead and (b) phosphorus are in the water supply for each regional water authority.
The Drinking Water Inspectorate receives sampling data for drinking water from water companies formed when the water industry was privatised.
Lead - The results for 2017 are provided in Table 1:-
Company Name | Parameter Name | 1 percentile (representing a minimum). Units are microgrammes per litre | 99 percentile (representing a maximum). Units are microgrammes per litre | ||
Affinity Water Ltd | Lead | 1 |
| 7.3044 | |
Albion Water Ltd | Lead |
| 0.04 |
| 1.55 |
Albion Eco Ltd | Lead |
| 0.11 |
| 1.27 |
Anglian Water Services Ltd | Lead | 0.16 |
| 6.3605 | |
Bristol Water Plc | Lead | 0.03 |
| 7.883 | |
Cambridge Water Company Plc | Lead | 0.05 |
| 5.1 | |
Cholderton & District Water Company Ltd | Lead |
| 0.2 |
| 3.5 |
Dee Valley Water Plc | Lead | 0.1 |
| 3.779 | |
Dwr Cymru Welsh Water | Lead | 0.04 |
| 6.152 | |
Essex & Suffolk Water | Lead | 0.033 |
| 8.53 | |
Icosa Water Ltd | Lead |
| 0.18 |
| 0.22 |
Independent Water Networks (Eastern) | Lead | 0.03 |
| 5.15 | |
Northumbrian Water Ltd | Lead | 0.033 |
| 12.45 | |
Portsmouth Water Plc | Lead | 0.1 |
| 14.12 | |
Leep Water Networks | Lead | 0.05 | 0.29 | ||
Sembcorp Bournemouth Water Ltd | Lead | 0.2 |
| 3.424 | |
SES Water | Lead | 0.2 |
| 6.573 | |
South East Water Plc | Lead | 0.5 |
| 9.322 | |
Southern Water Services Ltd | Lead | 0.03 |
| 6.8295 | |
Scottish and Southern Energy | Lead | 0.03 |
| 0.64 | |
South Staffordshire Water Plc | Lead | 0.05 |
| 5.898 | |
Severn Trent Water Ltd | Lead | 0.3345 |
| 9.142 | |
South West Water Ltd | Lead | 0.2 |
| 10.4524 | |
Thames Water Utilities Ltd | Lead | 0.2 |
| 10.267 | |
United Utilities Water Plc | Lead | 0.05 |
| 5.484 | |
Veolia Water Projects | Lead | 1 |
| 8.21 | |
Wessex Water Services Ltd | Lead | 0.1 |
| 6.187 | |
Yorkshire Water Services Ltd | Lead | 0.03 |
| 8.2976 |