Local beaches have been given the all-clear for the long weekend.
Water testing is conducted at Grand Bend, Pinery Provincial Park, Ipperwash Main Beach, C.J. McEwan (Highland Glen), Bright's Grove and Canatara.
Lambton Public Health said at this time, no warning signs are posted.
The health unit said following heavy rainfall, the water at area beaches may be temporarily polluted for up to 48 hours.
Residents are advised to check the water quality status before going out to the beach.
Reports are available online at Lambton Public Health. You can also text the word Beach to 226-909-3003, or call the Beach Info Line at 519-383-3816.
The health unit does not conduct water sampling along the St. Clair River.
