Microbiological pollution in the Canadian upper great lakes connecting channels

The faecal microbiological pollution was investigated in the Upper Great Lakes Connecting Channels by focusing on the near-shore zones of the St. Marys River in Sault Ste. Marie, the St. Clair River in Sarnia and the Detroit River in Windsor (Ontario). Water samples from these rivers and various sources of faecal pollution were analyzed for the indicator organismrecommended by Health and Welfare Canada --Escherichia coli . The observed …