2011.09.04 - Tempest emergency purification system keeps tap water at 92 Virginia hospitals flowing

In Virginia, Tempest Environmental is offering 92 hospitals a better emergency water supply plan: A system to reuse and clean waste water that keeps them going in emergencies without having to rely on bottled water.

This project has piqued the interest of Ohio's prison system and hospitals in other states.

Average return on investment: less than 4 years.