1 | The rehabilitation of the River Taff |
2 | The impact of ferruginous minewater break-outs on the environmental quality of the Rivers Rhymney, Ebbw and Sirhowy : summary report |
3 | Hydropower developments and the National Rivers Authority |
4 | Riverside litter : results of the 1990 campaign and a strategy for the future |
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 | The NRA in business : annual review and summary accounts 1993-94 |
8 | Sustainable urban drainage : an introduction : protecting the quality of our environment |
9 | Water from the River Dee : a working partnership |
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 |