None of the above is true. There are potable domestic wastewater reuse systems that have operated for many years. Windhoek SA is a potable system operating successfully since the 1960s. See 2017 WHO Guidance: http://www.who.int/water_sanitation_health/publications/potable-reuse-guidelines/en/
Published by Joseph Cotruvo, President at Joseph Cotruvo & Associates, Water , Environment and Public Health
None of the above is true. There are potable domestic wastewater reuse systems that have operated for many years. Windhoek SA is a potable system operating successfully since the 1960s. See 2017 WHO Guidance:
http://www.who.int/water_sanitation_health/publications/potable-reuse-guidelines/en/