Good news as we head into the busy Mackinac weekend in Sarnia-Lambton.
Lake Huron beaches tested weekly for water quality by Lambton Public Health are again clear.
No warning signs are posted.
Beaches tested include Grand Bend, Pinery Provincial Park, Ipperwash Main Beach, Highland Glen, Bright's Grove and Canatara Park.
Public health officials warn that following heavy rainfall, the water at area beaches may be temporarily polluted for up to 48 hours.