| Rutland Dam, Sykes Lane, Empingham, Near Oakham, Rutland | 15,467 | 12 |
| Caldecote Lake, Buckinghamshire | 6,230 | 20 |
| Alton Dam, Holbrook Road, Stutton, Ipswich, Suffolk | 4,531 | 13 |
| Grafham Reservoir, Perry, Huntingdon, Cambridgeshire | 1,353 | 2 |
| Riby St. pumping station, Grimsby, South Humberside | 509 | 24 |
| Heigham Water Treatment Works, modernisation, Heigham Street, Norwich | 471 | 24 |
| Alton Water Treatment Works, Holbrook Road, Stutton, Ipswich, Suffolk | 430 | 22 |
| River Ancholme Intake transfer and treatment scheme, Brigg, South Humberside | 394 | 12 |
| Tilbury Sewage Treatment Works, secondary treatment plant, Fort Road, Tilbury, Essex | 243 | 23 |
| Wing Water Treatment Works, Morcott Road, Wing, Oakham, Rutland, Leicestershire | 242 | 13 |
| Pyewipe Pumping Station, Grimsby, South Humberside | 237 | 18 |
| Cotton Valley Sewage Treatment Works (Stage 2), Pineham, Milton Keynes | 173 | 24 |
| Cotton Valley Sewage Treatment Works (Stage 1), Pineham, Milton Keynes | 155 | 12 |
| Boston Sewage Treatment Works, Blue Anchor Bight, Boston, Lincolnshire | 140 | 15 |
| March Sewage Treatment Works, Creek Fen, March, Cambridgeshire | 130 | 15 |
| Spalding Sewage Treatment Works, West Marsh Road, Spalding, Lincolnshire | 111 | 16 |
| Bedford Sewage Treatment Works, Summerhouse Hill, Meadow Lane, Cardington, Bedfordshire | 87 | 19 |
| Wisbech Sewage Treatment Works, River Road, West Walton, Wisbech, Cambridgeshire | 83 | 15 |
| Southend Sewage Treatment Works extension, Eastern Avenue, Southend-on-Sea, Essex | 60 | 24 |
| Chelmsford Sewage Treatment Works extension, Brookend Road, Chelmsford, Essex | 50 | 24 |
| Grimsby outfall – Humber estuary | 37 | 19 |
