An area of Lake Tahoe tested for high levels of E. coli, prompting a warning to stay out of the water, the U.S. Forest Service said on Friday. The tested samples were from the South Shore of Lake Tahoe near Camp Richardson Resort.

Water quality samples collected near the Camp Richardson Resort revealed elevated levels of Escherichia coli, commonly known as E. coli.

E. coli can cause people to become sick with diarrhea, urinary tract infections, pneumonia, sepsis and other illnesses, according to the Centers for Disease Control and Prevention. It can be found in food,