Written question asked by Helen Jackson (Labour), in the House of Commons. It was due for an answer on Tuesday, 11 March 1997. It was answered by James Clappison (Conservative) on Tuesday, 11 March 1997 on behalf of the Department of the Environment.

Dept of the Environment

Question: If he will list the percentage of sewage treated by ultra violet light disinfection for each water and sewerage company. - Including figures.

Answer: Mrs. Jackson: To ask the Secretary of State for the Environment if he will list the percentage of sewage treated by ultra violet light disinfection for each water and sewerage company. [18778] Mr. Clappison: The Environment Agency has provided the following estimates of the percentage of sewage treated by ultra violet light disinfection for each water and sewerage company: South West Water, 2.9 per cent.; Southern Water, 0.3 per cent.; Anglian Water, 2.9 per cent.; North West Water, less than 0.1 per cent.; and Welsh Water Dwr Cymru, 4.7 per cent.

Secondary information