E. coli was found in water at a zipline attraction after nearly 550 visitors to the attraction reported illness, and authorities think the estimate may be low.  Initials tests confirmed the presence of E. coli and other bacteria in a well water sample at Climb Works Zip Line Canopy Tour, health officials told the Knoxville News Sentinel. People who became ill drank water served out of coolers along the course, WVLT reported.

The Tennessee Department of Health sent more than 2,000 surveys to those who reserved tours online, to determine if they became sick after visiting. Of the 808 who responded, 548 indicted they had become ill. People who became ill had visited the attraction between mid-June and early July. The company also said 80 to 100 people called them to say they became sick with gastrointestinal illnesses after visiting the attraction, WVLT reported. READ MORE