Online Public Relations Thoughts

Here is a topic that would task the genius of a PR practitioner. How does one make re-use of waste water in the pure water supply sound appealing? Yet, with growing water shortages around the world, there will be more projects like this. Someone will need to sell the idea to a skeptical public soon. I suppose the message has to be that the water discharge is pure, and there is no place else to get it. Still, the thought of drinking water that has gone through a toilet is appalling.