§ Mr. G. Johnson Smith
asked the Minister of Housing and Local Government what projects are at present under construction to expand the reservoir capacity of England and Wales; what other projects have been approved; and what is the expected addition to the reservoir capacity in each case.
§ Mr. MacColl
Major reservoir projects under construction include the following:251W
Water Undertaker Reservoir Capacity (million gallons) Estimated reliable yield (million gallons per day) Anglesey Alaw 1,610 6 Banbury Grimsbury 60 3.5 Camborne Stithians 1,150 3.5 Kerrier Rural District Council Truro Rural District Council Cardiganshire Water Board Llyn Egmont 101 0.5 Clywedog Joint Authority Clywedog (with associated reservoirs lower down the Severn) 11,000 80 Great Ouse Water Authority Grafham Water 14,000 40 Leeds Thrushcross 1,727 3 Liverpool Tryweryn 16,200 65 Manchester Wet Sleddale 522 11 Metropolitan Water Board Wraysbury 8,250 39 Oxford Farmoor 2,760 17 Stockport and District Water Board Errwood 935 2.75 Sunderland and South Shields Water Company Derwent 11,000 26 Durham County Water Board Tees Valley and Cleveland Water Board Balderhead 4,000 18.5 Powers have been obtained for the following:— East Cornwall Water Board Siblyback 575 2.5 East Surrey Water Company Bough Beech 1,900 5–6 Metropolitan Water Board Datchet 8,230 39