Written question asked by Rachael Maskell (Labour) on Tuesday, 4 September 2018, in the House of Commons. It was due for an answer on Monday, 10 September 2018 (named day). It was answered by Baroness Coffey (Conservative) on Monday, 10 September 2018 on behalf of the Department for Environment, Food and Rural Affairs.

Water: Pollution

Question: 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.

Answer

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

Secondary information

Type: Written question
Reference: 170381
Session: 2017-19
Related items: Water: Phosphates
Thursday, 11 October 2018
Written questions
House of Commons
Subjects: Lead Pollution Water Phosphorus
Contains statistics: Yes
Link: View this Written question on www.parliament.uk