| 126 | National Rivers Authority, Welsh Region : drought report 1989 |
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| 127 | National Groundwater and Contaminated Land Centre annual report 2001/2002 |
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| 128 | River landscape assessment : methods and procedures |
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| 129 | Review of water company drought plans : a report to government |
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| 130 | Assessing water quality : General Quality Assessment (GQA) scheme for biology (Bilingual Welsh) |
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| 131 | NRA programme for the monitoring of water quality Parts 1 to 3 - November 1994 |
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| 132 | Snapshots of the environment : regulating major industry |
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| 133 | Bathing waters report 1990 |
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| 134 | Usk salmon : recommendations for action |
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| 135 | Welsh sheep dip monitoring programme : 1997 |
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| 136 | NRA Summary Corporate Plan 1992-1993 |
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| 137 | The state of the water environment : six year trends report |
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| 138 | Corporate performance monitoring report : (Annex 1) (quarter 2) |
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| 139 | Pesticides in the aquatic environment 1994 : report of the Environment Agency |
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| 140 | Sustainable urban drainage : an introduction : protecting the quality of our environment |
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| 141 | Proceedings of the conference National Minewaters 20th -21st April 1998 Tapton Hall Sheffield University |
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| 142 | Snapshots of the environment : managing our freshwater fisheries |
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| 143 | The drought of 1995 : a report to the Secretary of State for the Environment |
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| 144 | Sources of farm pollution and impact on river quality : interim report 1991 |
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| 145 | Minewater discharges in South Wales |
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| 146 | Severn Estuary coastal waters and associated catchments : uses, objectives and standards |
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| 147 | Catchment management issues |
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| 148 | The National Groundwater and Contaminated Land Centre (NGWCLC) |
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| 149 | River catchments and county boundaries in England and Wales |
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| 150 | NRA 1995/96 annual conservation, access and recreation report [regional reports] |
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