Is your water safe? A new standard can help safeguard against a Legionella outbreak. It can lurk in your cooling towers, piping systems, showerheads, hot tubs, sauna rooms, and decorative fountains. It causes flu-like symptoms, hospitalizations, lingering neurological issues, and death. Legionella bacteria begin as a microscopic presence in your water systems and can balloon into a tarnished business image, a CDC investigation, and lengthy lawsuits.