Recycling Carwash Wash Water for Landscape and Toilets

Recently a Business Marketing Student suggested using carwash waste wash water and running it thru and RO Reverse Osmosis unit and then using it water the landscaping at the car wash and even to flush the toilet. In fact the brainchild of this concept, Paula Chavis tells an online think tank of all the details of the concept.

In critique of this invention and Paula