Understanding water quality

# References

DEFRA (2013) Sustainable development indicators [Online]. Available at https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/223992/0_SDIs_final__2_.pdf (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 https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/763499/EMBARGOED_STATS_bathing-water-release-revised20182.pdf (Accessed 18 April 2019).

European Union (1998) Drinking Water Directive 98/83/EC.Also available from http://europa.eu.int/comm/environment/water/water-drink/index_en.html [last accessed December 2004].

The Environment Agency (EA) in England and Wales (http://www.environmentagency.gov.uk), the Scottish Environment Protection Agency (SEPA) in Scotland (http://www.sepa.org.uk) and the Northern Ireland Environment Agency of the Department of Agriculture, Environment and Rural Affairs in Northern Ireland (https://www.daera-ni.gov.uk/).

World Heath Organization (WHO) (1993) Guidelines on Drinking Water Quality, 2nd edition, vol. 1, Recommendations. WHO, Geneva.

OpenLearn - Understanding water quality
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