| Number | Name of Instrument | Extent of revocation |
|---|
| S.I. 1973 1287 | The North West Water Authority Constitution Order 1973. | Article 4. |
| | Schedule 2. |
| S.I. 1973 1288. | The Northumbrian Water Authority Constitution Order 1973. | Article 4. |
| | Schedule 1. |
| S.I. 1973 1289 | The Yorkshire Water Authority Constitution Order 1973. | Article 4. |
| | Schedule 1. |
| S.I. 1973 1306 | The Wessex Water Authority Constitution Order 1973. | Article 4. |
| | Schedule 2. |
| S.I. 1973 1307 | The South West Water Authority Constitution Order 1973. | Article 4. |
| | Schedule 2. |
| S.I. 1973 1345 | The Welsh National Water Development Authority (Establishment and Constitution) Order 1973. | Article 4. |
| | Article 5. |
| | Schedule 2. |
| S.I. 1973 1359 | The Anglian Water Authority Constitution Order 1973. | Article 4. |
| | Schedule 2. |
| S.I. 1973 1360 | The Thames Water Authority Constitution Order 1973. | Article 4. |
| | Schedule 2. |
| S.I. 1973 1361 | The Southern Water Authority Constitution Order 1973. | Article 4. |
| | Schedule 2. |
| S.I. 1973 1437 | The SevernTrent Water Authority Constitution Order 1973. | Article 4. |
| | Schedule 2. |
| S.I. 1974 1208 | The SevernTrent Water Authority Constitution (Amendment) Order 1974. | The whole Order. |
| S.I. 1974 2077 | The Thames Water Authority Constitution (Amendment) Order 1974. | The whole Order. |
| S.I. 1977 724 | The Welsh National Water Development Authority (Establishment and Constitution) (Variation) Order 1977 | The whole Order. |
| S.I. 1979 466 | The Anglian Water Authority Constitution (Amendment) Order 1979. | The whole Order. |
| S.I. 1979 467 | The Northumbrian Water Authority Constitution (Amendment) Order 1979. | The whole Order. |
| S.I. 1979 468 | The North West Water Authority Constitution (Amendment) Order 1979. | The whole Order. |
| S.I. 1979 469 | The SevernTrent Water Authority Constitution (Amendment) Order 1979. | The whole Order. |
| S.I. 1979 470 | The Southern Water Authority Constitution (Amendment) Order 1979. | The whole Order. |
| S.I. 1979 471 | The South West Water Authority Constitution (Amendment) Order 1979. | The whole Order. |
| S.I. 1979 472 | The Thames Water Authority Constitution (Amendment) Order 1979. | The whole Order. |
| S.I. 1979 473 | The Wessex Water Authority Constitution (Amendment) Order 1979. | The whole Order. |
| S.I. 1979 474 | The Yorkshire Water Authority Constitution (Amendment) Order 1979. | The whole Order. |
| S.I. 1981 1883 | The Welsh Water Authority (Constitution) (Variation) Order 1981. | The whole Order. |
| S.I. 1982 944 | The Water Authorities and National Water Council (Limit for Borrowing) Order 1982. | The whole Order. |