Recycling grey water from homes

With water shortage being a hot topic due to extreme temperatures, an important question is how we can prevent freshwater shortage. I wrote about desalinating water before but we can also reuse our daily life wastewater. This is how: https://medium.com/the-environment/10-technologies-that-allow-us-to-reuse-our-daily-wastewater-9ebc3c0541e4

Wastewater produced in homes can be recycled using different technologies (© Erlijn van Genuchten)