What chemical compounds might be present in drinking water?

References

Drinking water inspectorate, DWI (2015) Drinking Water Inspectorate [Online]. Available at http://dwi.defra.gov.uk/ (Accessed 23 June 2015).

European Commission (2015) Environment [Online]. Available at http://ec.europa.eu/environment/water/water-drink/national_info_en.html (Accessed 23 June 2015).

World Health Organization (2015) Chemical hazards in drinking-water- aluminium [Online]. Available at http://www.who.int/water_sanitation_health/dwq/chemicals/aluminium/en/