Marie Curtis Park West Beach

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Toronto Public Health monitors recreational water quality at sites in this region. Sampling season starts in June and ends Labour Day Weekend. Swim Guide updates Toronto beaches using the City of Toronto's Open Data. Water at all sites is sampled for E. coli. Toronto Public Health issues beach advisories when the geometric mean concentration of at least five samples exceeds 100 E. coli / 100 mL of water. This standard was set by the Ministry of the Environment. Water samples are collected daily at Toronto Beaches. Results are posted to Swim Guide as soon as lab results are available. They are also available at https://www.toronto.ca/health/swimsafe and via Toronto's open data portal. In Swim Guide, a beach is marked Green when the geometric mean of at least 5 samples is below 100 E.coli / 100 mL water. A beach is marked Red when the results are equal to or above a geometric mean of 100 E.coli / 100 mL water. A beach is marked Grey when there are no current results or there is no available information. A Ministry of the Environment Procedure (F-5-5) says that a clean beach is open at least 95% of the swimming season, even if it is near a sewage pipe or combined sewer outfall. This rule applies to every place that is public, accessible, and feels like a good place to swim. When all else fails, the Ontario Environmental Protection Act strongly states that no one can interfere with the use that you can make of a public waterway - like swimming!