1. See, for example, United Nations General Assembly Resolution 64/292, The Human Right to Water and Sanitation , United Nations , adopted July 28, 2010
2. Iron and Lime in Removal of Manganese
3. The complexity of the water distribution and regulatory framework in the United Kingdom is elegantly captured in a recent speech by Sir James Bevan, Chief Executive of the Environment Agency, Escaping the Jaws of Death: Ensuring Enough Water in 2050 , Waterwise Conference, March 19, 2019, full transcript available at the following URL, https://www.gov.uk/government/speeches/escaping-the-jaws-of-death-ensuring-enough-water-in-2050 , (Accessed December 28, 2021 )
4. World Heath Organisation , Guidelines for Drinking Water Quality , World Heath Organisation , Geneva , 4th edn, (incl. 1st add.), 2017
5. See, for example, D. K.Todd and L. W.Mays , Groundwater Hydrology , Wiley , New Delhi , 3rd edn, 2005