National Rivers Authority

• Contaminants Entering the Sea
• Guide to Groundwater Vulnerability Mapping in England and Wales
• The Impact of land use on salmonids
• The Influence of Agriculture on the Quality of Natural Waters in England and Wales (Water Quality)
• The Mersey Estuary
• The occurrence and fate of blue-green algal toxins in freshwaters
• The Quality of the Humber Estuary 1980-1990 (Water Quality)
• Annual R & D Review
• Bathing Water Quality in England and Wales (Water Quality Series)
• Bathing Water Quality in England and Wales (Water Quality)
• Bathing Water Quality in England and Wales 1992
• Bathing Water Report (Water Quality Series: 27)