Wastewater reuse will be a critical element in our global toolbox when it comes to the challenges of expanding our available water resources. Public acceptance will always be an issue. The solution rests with the two things the United States is really good at: World class engineering and world class marketing campaigns. The utilization and acceptance of wastewater as a drinking water source needs both innovation and a change in our social norms. Engineering alone is not the answer - - those engineers that can move from just "engineer" to "sociotechnical engineer" are going to do much better in a world searching for sustainable solutions.
What about t-shirts and mugs (and don't forget the bumper stickers) - - with the following:
Ten million dogs can't be wrong