This week's water quality update for area beaches includes one posting.
Lambton Public Health says signs warning not to swim due to high levels of E. Coli bacteria are up at Highland Glen.
The other Lake Huron beaches tested are clear. They include Grand Bend North and South, Ipperwash Main Beach, Bright's Grove and Canatara Park.
Public health authorities remind us that water at area beaches can be temporarily polluted for up to 48 hours after heavy rainfall.