Manistee County's Crystal Lake issues water contact advisory due to elevated E. coli levels.

Manistee County's Crystal Lake issued a water contact advisory due to elevated E. coli levels detected in samples by Ferris State University. District Health Department #10 advises avoiding swimming or water activities until bacteria levels decrease. E. coli exposure can cause flu-like symptoms and is particularly dangerous for children, the elderly, and those with weakened immune systems.