Heading into the hottest weekend of the year so far, area beaches have been given a clean bill of health.
Lambton Public Health's weekly testing of water quality began this week with no warning signs being posted.
Lake Huron beaches sampled include Grand Bend, Pinery Provincial Park, Ipperwash, Highland Glen, Bright's Grove and Canatara Park.
Following heavy rainfall, the water may be temporarily polluted for up to 48 hours.