1 | The influence of agriculture on the quality of natural waters in England and Wales |
2 | Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon |
3 | Rural sewage pollution in the '90s : report of the rural sewerage project 1993/4 |
4 | Investigation into the storm overflow discharge regime of Hill Barton Seawage Treatment Works Okehampton |
5 | Visits to Cley-next-to-the-sea and Salthouse sea defences, King's Lynn sewage treatment works |
6 | River Avon, Bath : aesthetic study of riverbanks through the urban area of Bath : final report |
7 | Discharge consents and compliance : the NRA's approach to control of discharges to water |
8 | Water pollution incidents in England and Wales - 1992 : report of the National Rivers Authority |