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The Toronto hub was the first and is now one of five monitoring hubs created by Swim Drink Fish. 2021 is the sixth year of sampling at the Inner Harbour sites. Staff along with a group of trained citizen scientists sample the water every Tuesday and Thursday. We sample four main locations in the Inner Harbour: Marina 4, Rees St. Slip, Ontario Place West Island Beach and Bathurst Quay. Each of these locations has a CSO pipe flowing into it. In 2018 two teams of dedicated, trained citizen scientists started monitoring Humber Bay West Park in Etobicoke, and Algonquin Bridge and Snake Island on Wards Island. In 2020, First Street Beach was added as a sampling site. Beginning in 2018, this project has been undertaken with financial support of the Government of Canada through the federal Department of Environment and Climate Change.\r\n\r\nWe test primarily for the presence of E. coli. with the use of the IDEXX system. We also take water temperature, and depth of clarity. 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