As we bake under plus 30 temperatures this long weekend, Hamilton's beaches are expected to be a popular spot.
5.2-million people will flock to Ontario's more than 1-hundred swimming beaches this summer.
A report from the group, Lake Ontario Waterkeeper, shows 33 per cent of Canadians say going to the beach is one of their fondest outdoor experiences.
Half of the respondents consider Canada's shoreline, lakes, and rivers to be the most valuable natural resource.
But it says 80-thousand people get sick from contaminated recreational water in Ontario each year.
4 out of 5 Ontarians who visited the beach experienced an inconvenience due to beach postings or poor water quality in 2011.
Five of Hamilton's seven beaches have met provincial water quality standards in June.
Only the beaches at Pier 4 Park and Bayfront Park did not make the grade.