1 | The rehabilitation of the River Taff |
2 | Hydropower developments and the National Rivers Authority |
3 | Riverside litter : results of the 1990 campaign and a strategy for the future |
4 | The influence of agriculture on the quality of natural waters in England and Wales |
5 | Contaminants entering the sea : a report on contaminant loads entering the seas around England and Wales 1990-1993 |
6 | A guide to sustainable urban drainage : protecting the quality of our environment |
7 | Sustainable urban drainage : an introduction : protecting the quality of our environment |
8 | Water from the River Dee : a working partnership |
9 | Discharge consents and compliance : the NRA's approach to control of discharges to water |
10 | Water pollution incidents in England and Wales - 1992 : report of the National Rivers Authority |
11 | Report for Welsh Region on selected flood defence schemes and the development of a standard methodology for risk assessment |