Following the death of a four-year-old boy, Louisiana's St. Bernard Parish is flushing water lines with chlorine. It's an effort to destroy any remaining Naegleria fowleri. Apparently the deadly amoeba, generally a late summer phenomenon, entered the water supply. The child became sick after playing on a Slip 'N Slide. Read More

What would you do if this unusual parasite turned up in your operation's water supply? E-mail sjohnston@hanleywood.com or tweet@PWmag.com.

Want to know more about another Naegleria fowleri case? Click here.