Application of an aerial catchment monitoring methodology to assist the development of drinking water safety plans

Risk-based management approaches for safeguarding the quality of public water supply, as strongly endorsed by the World Health Organisation and the Drinking Water Inspectorate, place greater emphasis on the importance of water companies knowing their catchments and their associated risks. Because of their often vast extent, and problems relating to access, it has always been a challenge for water companies to gather reliable data relating to...