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Understanding water quality
Understanding water quality

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DEFRA (2013) Sustainable development indicators [Online]. Available at (Accessed 18 April 2019).
DEFRA (2018) Statistics of English coastal and inland bathing waters: a summary of compliance with the 2006 bathing water directive [Online]. London, DEFRA. Available at (Accessed 18 April 2019).
European Union (1998) Drinking Water Directive 98/83/EC.Also available from [last accessed December 2004].
The Environment Agency (EA) in England and Wales (, the Scottish Environment Protection Agency (SEPA) in Scotland ( and the Northern Ireland Environment Agency of the Department of Agriculture, Environment and Rural Affairs in Northern Ireland (
World Heath Organization (WHO) (1993) Guidelines on Drinking Water Quality, 2nd edition, vol. 1, Recommendations. WHO, Geneva.