| 101 | Quality audit of biological samples for the 1990 river quality survey |
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| 102 | The quality of rivers in England and Wales (1990 to 1995) |
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| 103 | Policy and practice for the protection of groundwater |
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| 104 | Policy and practice for the protection of groundwater - NRA leaflet |
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| 105 | The River Dee catchment management plan : consultation report : June 1994 |
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| 106 | Proposals for statutory water quality objectives : report of the National Rivers Authority |
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| 107 | Conservation in the Severn-Trent Region (NRA Severn-Trent 57)
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| 108 | Method for assessing the heritage value of net fisheries |
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| 109 | Factors affecting the recruitment of riverine coarse fish: phase 3 |
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| 110 | A guide to sustainable urban drainage : protecting the quality of our environment |
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| 111 | The NRA in business : annual review and summary accounts 1993-94 |
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| 112 | Report on monitoring of environmental quality in the Severn Estuary |
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| 113 | Hams Hall Power Station. A survey of the flora and fauna of freshwater habitats in the environs of Hams Hall Power Station, Birmingham |
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| 114 | Changes in the phosphorus content of the sediment of Esthwaite Water and water quality in response to a decreasing input of sewage-borne phosphorus |
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| 115 | Water Quality and Freshwater Flow in the Thames Tideway in Relation to Salmon Migration, with particular reference to the effects of low flow in 1990 |
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| 116 | The quality of rivers and canals in England and Wales (1990 to 1992) : as assessed by a new general quality assessment scheme : report of the National Rivers Authority |
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| 117 | Implications of draft EC Directive concerning municipal waste water treatment : Memorandum submitted by the NRA to House of Lords Select Committee on the European Communities |
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| 118 | Datchet, Wraysbury, Staines and Chertsey flood study : aquatic biology. Part 2 : a survey of the wetland vegetation and aquatric macroinvertebrates of the Abbey River and Chertsey Bourne |
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| 119 | An audit of performance in the primary analysis of standard biological macro-invertebrate samples in 2002 : The Environment Agency (CEH Report Ref: C00158/31) |
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| 120 | Bathing water quality in England and Wales in 1994 : report of the National Rivers Authority |
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| 121 | Water pollution incidents in England and Wales 1994 : report of the National Rivers Authority |
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| 122 | Pesticides 1998 : a summary of monitoring of the aquatic environment in England and Wales |
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| 123 | Survey of physical characteristics of salmon spawning riffles in the river North Tyne
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| 124 | Effects of suspended solids on salmon (Salmo salar, L.) in the Parrett stuary, Somerset, Draft |
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| 125 | NRA programme for the monitoring of water quality Parts 1 to 3 - November 1994 |
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