现行

1973 No. 1437

The Severn-Trent Water Authority Constitution Order 1973
1973年塞文特伦特水务局宪法令

现行

1979 No. 469

The Severn-Trent Water Authority Constitution (Amendment) Order 1979
1979年塞文特伦特水务局宪法（修订）令

现行

1979 No. 994

The Severn-Trent Water Authority (Clywedog Discharge) Order 1979
Severn Trent水务局（Clywedog排水）命令1979

现行

1974 No. 1208

The Severn-Trent Water Authority Constitution (Amendment) Order 1974
1974年塞文特伦特水务局宪法（修订）令

现行

1983 c. xvi

Severn-Trent Water Authority Act 1983
1983年塞文特伦特水务局法案

现行

1979 No. 995

The Severn-Trent Water Authority (Lake Vyrnwy Discharge) Order 1979
Severn Trent水务局（Vyrnwy湖排放）1979年法令

现行

1975 No. 600

The Severn-Trent Water Authority (Birmingham) (Extension of Operation of Byelaws) Order 1975
Severn Trent水务局（伯明翰）（延长条例的有效期）令1975

现行

1973 No. 1921

The Severn-Trent Water Authority (Regional Land Drainage Committee) Order 1973
1973年塞文特伦特水务局（区域土地排水委员会）令

现行

1974 No. 1956

The Severn—Trent Water Authority (Wolverhampton) (Extension of Operation of Byelaws) Order 1974
Severn Trent水务局（伍尔弗汉普顿）（延长条例的有效期）1974年命令

现行

1975 No. 106

The Severn-Trent Water Authority (Coventry) (Extension of Operation of Byelaws) Order 1975
Severn Trent水务局（考文垂）（延长条例的有效期）令1975

现行

1975 No. 724

The Severn-Trent Water Authority (Central Nottinghamshire) (Extension of Operation of Byelaws) Order 1975
Severn Trent水务局（诺丁汉郡中部）（延长《条例》的有效期）命令1975

现行

1974 No. 1589

The Severn—Trent Water Authority (South Warwickshire) (Extension of Operation of Byelaws) Order 1974
Severn Trent水务局（南沃里克郡）（延长条例的有效期）1974年命令

现行

1981 No. 826

The Water Authorities (Return on Assets) Order 1981
1981年水务局（资产回报）令

现行

1981 No. 1883

The Welsh Water Authority (Constitution) (Variation) Order 1981
1981年威尔士水务局（章程）（变更）令

现行

1981 No. 130

The Water Authorities (Collection of Charges) (Amendment) Order 1981
1981年水务局（收费）（修订）令

现行

1981 No. 1651

The Southern Water Authority (East Woodhay Boreholes) Order 1981
1981年南方水务局（东伍德海钻孔）令

现行

1981 No. 1784

The Anglian Water Authority (River Pant Discharge) Order 1981
1981年安格鲁水务局（河漫滩排放）令

现行

1981 No. 1593

The Anglian Water Authority (River Witham Discharge) (Amendment) Order 1981
1981年英国水务局（有AM流量的河流）（修订）令

现行

1981 No. 557

The Yorkshire Water Authority (Beverley and North Holderness Internal Drainage District) Order 1981
1981年约克郡水务局（贝弗利和北霍尔德内斯内部排水区）令