| 26 | Guardian of the water environment |
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| 27 | Water in the Thetford area
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| 28 | Meanders in the Amazon River |
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| 29 | Conservation in the Anglian region |
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| 30 | River in the Dourdogne region |
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| 31 | The River Thames phosphate model |
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| 32 | The Severn Bore in 1993 |
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| 33 | The Severn Bore in 1994 |
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| 34 | The Severn Bore in 1995 |
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| 35 | Phosphorus in the Thames catchment |
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| 36 | A Report on the Drought on the River Darent |
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| 37 | Managing the Humber Estuary : the Environment Agency's approach |
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| 38 | The state of the water environment : six year trends report |
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| 39 | The investigation of the Taff litter problem : report no. PL/EAE/89/2 |
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| 40 | The role of the National Rivers Authority in droughts |
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| 41 | River pack : information sheets about the NRA and the water environment |
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| 42 | The effect of the voluntary initiative on water quality |
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| 43 | Hydrometry : the science of measuring the water cycle |
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| 44 | The control of phosphorus in the catchment of the rivers Ant and Bure : 3rd annual report May 1989 |
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| 45 | Contaminants entering the sea : data appendix : data on contaminant loads entering the seas around England and Wales for the years 1990-1993 |
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| 46 | The National Rivers Authority's response to the sixteenth report of the Royal Commission on Environmental Pollution on freshwater quality |
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| 47 | Assessment of the performance of the BMWP scoring system against biological targets and the determination of significant change |
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| 48 | Drought in the South : in depth |
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| 49 | Naturalisation of the Orton flow record |
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| 50 | The Environment Agency navigations : Thames, Anglian, Southern |
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