| The York Waterworks Order 1927. | Confirmed by 1927 c.xxxvi. | The whole Order, so far as unrepealed. |
| The York Water Order 1939. | Confirmed by 1939 c.xl. | Sections 3 (so far as unrepealed), 6, 11, 12 and 18(e). |
| The York Water Order 1951. | S.I. 1951/1486. | The whole Order, so far as unrepealed. |
| The York Water Order 1959. | S.I. 1959/1459. | The whole Order, so far as unrepealed. |
| The York Water Order 1965. | S.I. 1965/1089. | The whole Order, so far as unrepealed. |
| The York Water Order 1968. | S.I. 1968/923. | The whole Order, so far as unrepealed. |
| The York Water Order 1969. | S.I. 1969/1661. | The whole Order, so far as unrepealed. |
| The York Water Order 1973. | S.I. 1973/497. | The whole Order, so far as unrepealed. |
| The York Water Order 1975. | S.I. 1975/852. | The whole Order, so far as unrepealed. |
| The York Water Order 1979. | S.I. 1979/1527. | The whole Order, so far as unrepealed. |
| The York Water Order 1980. | S.I. 1980/2020. | The whole Order. |
| The York Water Order 1985. | S.I. 1985/819. | The whole Order. |