§ Mr. Ron Daviesasked the Secretary of State for the Environment, pursuant to his reply of 23 May, Official 315W Report, column 503, if he will list those water supply zones in which aluminium levels in water supplies exceed the limit of 0.2 mg per litre on the basis of a three-monthly average, and give the maximum recorded values in each case.
§ Mr.MacfarlaneI do not have the detailed information about Scotland, Wales or Northern Ireland, or maximum recorded values. The water supply zones in England where aluminium levels currently exceed 0.2 mg per litre on a three-monthly average are as follows:
- Newcastle and Gateshead Water Company
- Rochester, Northumberland
- West Woodburn, Ridsdale
- Otterburn
- Wark on Tyne and surrounding area
- Bellingham, Kielder area
316W
- Northumbrian water authority
- Tunstall
- Severn-Trent water authority
- Parts of North Warwickshire, Coventry and Nuneaton
- Parts of Charnwood, Hinckley and Bosworth areas
- Part of Oswestry
- Part of Stroud district council area
- Areas supplied direct from Elan reservoirs aqueduct
- Parts of Birmingham and Solihull
- Smethwick industrial consumer
- South West water authority
- Parishes of Seaton and Beer
- Areas supplied from Tottiford treatment works
- Areas supplied from Prewley treatment works
- Bideford
- College supply zone—Falmouth and Penrhyn
- Watercombe supply zone
- Higher parts of Penzance
- Launceston and Callington areas
- St. Keverne area
- Bodmin and Wadebridge areas
- Princetown
- Halsetown and part of St. Ives
- Chagford Crediton hamlets
- North West water authority
- South port
- Stockport
- Bolton
- Tameside metropolitan borough
- Oldham
- Pans of Carlisle
- Eden district
- Lancaster
- Parts of Ribble Valley district
- Yorkshire water authority
- South East Sheffield
- Part of West Barnsley (2)
- Central Sheffield
- South West Sheffield
- Thornton pressure treatment works supply area
- North Sheffield
- South Barnsley
- Part of Wakefield
- Area east of Thirsk
- Area west of Harrogate
- Addingham
- Parts of Dewsbury and Huddersfield
- Rombalds area
- Part of North Bradford
- Parts of Dewsbury, Huddersfield and Wakefield
- Huddersfield/Holnbridge/Holmstyes area
- Parts of Huddersfield
- Rural area of Keighley
- Panorama treatment works supply area
- Reva treatment works supply area
- Parts of Huddersfield and surrounding area (3)
- Rural areas west and south of Halifax (2)
- Hebden Bridge
- Northern area of Halifax
- Halifax
- Skipton area
- Otley
Action is being taken to improve treatment in many of these areas.